Category Archives: North America

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Le Conte’s Thrasher (Toxostoma lecontei): request for information.

Currently listed as Least Concern (BirdLife International 2018), Le Conte’s Thrasher (Toxostoma lecontei) is found only in dry scrubland of south-west U.S.A. and north-west Mexico (north-west Sonora and Baja California) (see Cody 2018). Although currently listed as stable, declines are … Continue reading

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Lark Bunting (Calamospiza melanocorys): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Lark Bunting (Calamospiza melanocorys) breeds from southern Canada through the Great Plains of U.S.A. to east New Mexico, northern Texas and west Oklahoma. It is present year-round in the southern part of … Continue reading

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Henslow’s Sparrow (Passerculus henslowii): revise global status?

Henslow’s Sparrow (Passerculus henslowii) is a migratory New World Sparrow of North America, currently listed as Near Threatened due to suspected moderately rapid declines, although there have been positive trends noted recently (see BirdLife International 2018). During the breeding season … Continue reading

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Harris’s Sparrow (Zonotrichia querula): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Harris’s Sparrow (Zonotrichia querula) is a breeding endemic of northern Canada. It is a migratory species, and overwinters in central and southern U.S.A. During the breeding season it occurs at the forest-tundra … Continue reading

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Greater Prairie-chicken (Tympanuchus cupido): revise global status?

Greater Prairie-chicken (Tympanuchus cupido) originally was thought to occur in natural prairies from central Alberta (Canada), south through central U.S.A. and into Texas. Now, however, it is no longer found in Canada, and only remains in scattered patches, predominantly in … Continue reading

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Eastern Meadowlark (Sturnella magna): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Eastern Meadowlark (Sturnella magna) has a very large range from south-east Canada, though eastern and southern U.S.A., Mexico, Central America, Cuba and into northern South America from Colombia across to northern Brazil … Continue reading

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Band-rumped Storm-petrel (Hydrobates castro) is being split: assessment of newly recognised taxa.

Following a taxonomic reassessment, the Band-rumped Storm-petrel, Hydrobates castro, has been split on the HBW/BirdLife International checklist into H. castro and H. jabejabe. H. castro encompasses the vast majority of the range of the pre-split species and with no evidence to … Continue reading

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Common Grackle (Quiscalus quiscula): revise global status?

Currently listed as Least Concern (BirdLife International 2018), the Common Grackle (Quiscalus quiscula) is found solely in North America, with the vast majority of its range in U.S.A. and Canada. In the south of its range it is resident, but … Continue reading

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Chuck-will’s-widow (Antrostomus carolinensis): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Chuck-will’s-widow (Antrostomus carolinensis) is a migratory species of the Americas. It breeds in south-east Canada and eastern U.S.A. preferring wooded (particularly deciduous and mixed) habitats, although it will venture in suburban areas, … Continue reading

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Chimney Swift (Chaetura pelagica): revise global status?

Chimney Swift (Chaetura pelagica) is a migratory species, breeding in eastern North America from southern Canada to the Gulf Coast states of U.S.A., and occasionally in California and Arizona. It winters in north-western South America, and while the exact range is uncertain … Continue reading

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Leach’s Storm-petrel (Hydrobates leucorhous) is being split: assessment of newly recognised taxa.

Following a taxonomic reassessment, Leach’s Storm-petrel (Hydrobates leucorhous) has been split on the HBW/BirdLife International checklist into H. leucorhous, H. socorroensis and H. cheimomnestes. When treated as subspecies, H. l. socorroensis was referred to as Townsend’s Storm-petrel, and H. l. … Continue reading

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Yellow-billed Magpie (Pica nutalli): revise global status?

Yellow-billed Magpie (Pica nutalli) is endemic to California, U.S.A., west of the Sierra Nevada Mountains (Marzluff and Sharpe 2018). It is native to oak savanna, with trees scattered among expanses of pasture or grassland, but it also makes use of … Continue reading

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Cerulean Warbler (Setophaga cerulea): revise global status?

Cerulean Warbler (Setophaga cerulea) is a wide-ranging migratory songbird of the Americas. It breeds in North America, in southern Ontario and Quebec (Canada) and throughout central and eastern U.S.A., and migrates to spend the non-breeding season in northern and western … Continue reading

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Brown-capped Rosy-finch (Leucosticte australis): revise global status?

Endemic to U.S.A., Brown-capped Rosy Finch (Leucosticte australis) is found only in the Rocky Mountains from southern Wyoming to northern New Mexico (Clement 2018). A high-altitude, tundra breeder, it will conduct some altitudinal movements to avoid severe weather in the … Continue reading

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Blackpoll Warbler (Setophaga striata): revise global status?

Currently listed as Least Concern (see BirdLife International 2018), Blackpoll Warbler (Setophaga striata) is an extremely abundant passerine, breeding in boreal forest throughout Canada and Alaska, and into the extreme north-east of U.S.A. too (see Curson 2018). It is a … Continue reading

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Black-capped Vireo (Vireo atricapilla): revise global status?

Black-capped Vireo (Vireo atricapilla) once bred from south Kansas through Oklahoma and Texas (U.S.A.) into Coahuila, Nuevo Leon and Tamaulipas (Mexico). Its breeding range has contracted though, and it is now thought to be absent from Kansas, and is only … Continue reading

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Black Swift (Cypseloides niger): revise global status?

Currently listed as Least Concern (see BirdLife International 2018), Black Swift (Cypseloides niger) is known to breed in western North America, from southern Alaska and western Canada into south-west U.S.A. and central Mexico, and south through Central America to Costa … Continue reading

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Bell’s Vireo (Vireo bellii): revise global status?

Bell’s Vireo (Vireo bellii) is a migrant passerine, breeding across central and south-western U.S.A., and through northern Mexico; while it overwinters in southern Baja California (Mexico), along the western coast of Mexico and into Guatemala, El Salvador and Honduras, and … Continue reading

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Bachman’s Sparrow (Peucaea aestivalis): revise global status?

Bachman’s Sparrow (Peucaea aestivalis) is endemic to U.S.A. occurring on the coastal plains and Piedmont of south U.S.A. The species is generally found in lowland pine woodland, although it may also occur in clear-cut areas with grassy undergrowth and even … Continue reading

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Eastern Whip-poor-will (Antrostomus vociferus): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Eastern Whip-poor-will (Antrostomus vociferus) breeds in southern central and eastern Canada, and east-central and eastern U.S.A., wintering in south-east U.S.A., Mexico and into Central America. The species favours open forest and woodland … Continue reading

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Rufous Hummingbird (Selasphorus rufus): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Rufous Hummingbird (Selasphorus rufus) breeds in second growth forests of south-east Alaska, western Canada and north-west U.S.A.; in winter it migrates to the Gulf Coast of U.S.A., southern California and throughout Mexico … Continue reading

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Allen’s Hummingbird (Selasphorus sasin): revise global status?

Currently listed as Least Concern (BirdLife International 2018), Allen’s Hummingbird (Selasphorus sasin) comprises two subspecies. One is migratory, breeding in coastal western U.S.A. from Oregon to California, and wintering in central Mexico (see Altshuler et al. 2018). The other is … Continue reading

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Painted Bunting (Passerina ciris): revise global status?

Painted Bunting (Passerina ciris) is a migratory songbird that breeds in southern and eastern U.S.A. and northern Mexico, overwintering from central Mexico south through Central America, as well as in southern Florida (U.S.A.) and parts of the Caribbean (see Brewer … Continue reading

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Spectacled Eider (Somateria fischeri): request for information.

Spectacled Eider (Somateria fischeri) is a migratory duck from Russia and Alaska (U.S.A.). It is considered to be made up of three main breeding subpopulations, found around the Yukon-Kuskokwim Delta (Alaska), in Arctic Alaska and along the Arctic coast of … Continue reading

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Species to be potentially uplisted after a reassessment of species against criterion A, following Tracewski et al. (2016)

This topic is open for comments on all species presented in the attached pdf. These species are; Grey-rumped Treeswift (Hemiprocne longipennis), Silver-rumped Spinetail (Rhaphidura leucopygialis), Barred Eagle-owl (Bubo sumatranus), Chaco Owl (Strix chacoensis), Wallace’s Hawk-eagle (Nisaetus nanus), Rufous-bellied Eagle (Lophotriorchis … Continue reading

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Re-assessment of Species against Criterion B1: Red List Implications of the use of Minimum Convex Polygons

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Species to be potentially uplisted after a reassessment of species against criterion B2, following Tracewski et al. (2016)

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Proposed Status Changes of Forest-dependent Species

This discussion was first published as part of the 2017 Red List update. Further species reassessment will form part of the 2018 Red List update and so this post remains open and the date of posting has been updated. Background … Continue reading

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Great Black-backed Gull (Larus marinus): uplist to Near Threatened or Vulnerable?

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Golden-cheeked Warbler (Setophaga chrysoparia): potential revision of Red List status

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Black Rosy-finch (Leucosticte atrata): uplist to Vulnerable or Endangered?

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Red-headed Woodpecker (Melanerpes erythrocephalus): downlist to Least Concern?

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Lesser Prairie-chicken (Tympanuchus pallidicinctus): downlist from Vulnerable to Near Threatened?

This discussion was first published as part of the 2017 Red List update. At the time a decision regarding the status of several was pended, but to enable potential reassessment of these species as part of the 2018 Red List … Continue reading

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Archived 2017 topics: Snowy Owl (Bubo scandiacus): uplist from Least Concern to Vulnerable?

Snowy Owl, Bubo scandiacus, is currently listed as Least Concern as it has not been thought to approach the threshold for listing as Vulnerable under any criterion. It has a very large range spanning across predominantly Arctic regions in the … Continue reading

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Archived 2017 topics: Yellow-naped Amazon (Amazona auropalliata): request for information.

Yellow-naped Amazon, Amazona auropalliata, occurs on the Pacific slope of southern Mexico through to northern Costa Rica, as well as in north-east Nicaragua into north-east Honduras, and the Bay Islands of Honduras (Juniper and Parr 1988, see Taylor 2013). It … Continue reading

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Archived 2017 topics: Saltmarsh Sparrow (Ammospiza caudacuta): uplist to Endangered?

BirdLife Species factsheet for Saltmarsh Sparrow: http://datazone.birdlife.org/species/factsheet/saltmarsh-sparrow-ammospiza-caudacuta   Saltmarsh Sparrow, Ammospiza caudacuta (formerly Ammodramus caudacutus), is endemic to the Atlantic coast of U.S.A. During the breeding season it is generally found from Maine south to the Delmarva Peninsula, but shifts … Continue reading

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Archived 2017 topics: Loggerhead Shrike (Lanius ludovicianus): uplist from Least Concern to Near Threatened?

Loggerhead Shrike (Lanius ludovicianus) is endemic to North America, being native to Canada, U.S.A. and Mexico. It is currently listed as Least Concern, because it has been considered to not approach the threshold for Vulnerable under any criterion. This species … Continue reading

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Archived 2017 topics: Chestnut-collared Longspur (Calcarius ornatus): uplist from Near Threatened to Vulnerable?

This discussion was first published as part of the 2016 Red List update. At the time a decision regarding its status was pended, but to enable potential reassessment of this species as part of the 2017 Red List update this … Continue reading

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Archived 2017 topics: Eared Quetzal (Euptilotis neoxenus): Downlist to Least Concern?

This discussion was first published as part of the 2015 Red List update. At the time a decision regarding its status was pended, but to enable potential reassessment of this species as part of the 2017 Red List update this … Continue reading

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Archived 2017 topics: The taxonomic treatment of the Little Shearwater (Puffinus assimilis)/Audubon’s Shearwater (P. lherminieri) complex is being revised, and P. bryani is being recognised as a species: request for information

BirdLife’s taxonomic treatment of the Little Shearwater Puffinus assimilis/Audubon’s Shearwater P. lherminieri complex is being revised to reflect improved understanding of their taxonomy, and P. bryani (Pyle et al. 2011) is to be recognised as a species. Continue reading

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Archived 2017 topics: Black-legged Kittiwake (Rissa tridactyla) – request for information from North Pacific

This discussion was first published as part of the 2015 Red List update. At the time a decision regarding its status was pended, but to enable potential reassessment of this species as part of the 2017 Red List update this … Continue reading

Posted in Archive, Asia, Europe & Central Asia, North America, Seabirds | Tagged | 9 Comments

Archived 2017 topics: Aleutian Tern (Onychoprion aleuticus, formerly Sterna aleutica): uplist to Vulnerable or Endangered?

This discussion was first published as part of the 2014 Red List update. At the time a decision regarding its status was pended, but to enable potential reassessment of this species as part of the 2017 Red List update this … Continue reading

Posted in Archive, Asia, North America, Seabirds | Tagged | 17 Comments

Archived 2016 topics: Orchard Oriole (Icterus spurius) is being split: request for information for I. fuertesi.

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Tropical Parula (Parula pitiayumi) is being moved to genus Setophaga and split: list Setophaga pitiayumi as Least Concern and S. graysoni as Near Threatened?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Savannah Sparrow (Passerculus sandwichensis) is being split: list P. sanctorum as Near Threatened?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Yellow-eyed Junco (Junco phaeonotus) is being split: request for information on J. bairdi

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Rearrangement of a selection of Amaurospiza species: list A. moesta and A. relicta as Least Concern?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Dark-eyed Junco (Junco hyemalis) is being split: list J. hyemalis as Least Concern and J. insularis as Endangered or Vulnerable?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Bronzed Cowbird (Molothrus aeneus) is being split: list M. aeneus as Least Concern and M. armenti as Near Threatened or Vulnerable?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Spotted Towhee (Pipilo maculatus) is being split: list P. maculatus as Least Concern and P. socorroensis as Endangered?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Red-breasted Chat (Granatellus venustus) is being split: list Granatellus francescae as Vulnerable?

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived 2016 topics: Leach’s Storm-petrel (Hydrobates leucorhous): uplist from Least Concern to Vulnerable?

BirdLife species factsheet for Leach’s storm-petrel: http://www.birdlife.org/datazone/species/factsheet/22698511 The Leach’s storm-petrel has an extensive global range and breeding colonies are confined to the northern hemisphere, from the South Kuril Islands (Japan) round to Baja California (Mexico) including the Aleutian Islands, Alaska … Continue reading

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Archived 2016 topics: American Robin (Turdus migratorius) is being split: request for information on T. confinis

This is part of a consultation on the Red List implications of extensive changes to BirdLife’s taxonomy for passerines Lynx Edicions and BirdLife International will soon publish the second volume of the HBW-BirdLife Illustrated Checklist of the Birds of the … Continue reading

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Archived: Global IUCN Red List for birds – 2015 changes

Many thanks to all who contributed information and comments on this year’s reassessments. The 2015 Red List for birds was launched today, and the new assessments can be found at http://www.birdlife.org/datazone/species/search. You can read the BirdLife news story here: http://www.birdlife.org/worldwide/news/2015-red-list-vultures-shorebirds-and-other-iconic-species … Continue reading

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Archived 2015 topics: Red Knot (Calidris canutus): request for information

Red Knot (BirdLife factsheet) is a long-distance migrant shorebird, with six Arctic-breeding subspecies: C. c. canutus – CN Siberia, in Taymyr Peninsula and possibly Yakutia; winters in W & S Africa and S Asia. C. c. piersmai – New Siberian … Continue reading

Posted in Africa, Americas, Archive, Asia, Australia, Central America, Europe & Central Asia, Middle East, North America, South America, Waterbirds | 14 Comments

Archived 2015 topics: Razorbill (Alca torda) – uplist from Least Concern to Near Threatened?

Razorbill Alca torda breeds in the temperate N Atlantic and adjacent parts of the Arctic Ocean, on both sides of the Atlantic, as far south as NW France, north as Svalbard and east to NW Russia, wintering along Atlantic coasts … Continue reading

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Archived 2015 topics: Atlantic Puffin (Fratercula arctica) – uplist from Least Concern to Endangered?

Atlantic Puffin Fratercula arctica breeds from NE & E Canada and NE USA east through Greenland to Jan Mayen, Spitsbergen and Novaya Zemlya, and south to Iceland, Fennoscandia, Faroes, Britain, Ireland and NW France; it winters at sea, mostly in … Continue reading

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Archived 2015 topics: Common Eider (Somateria mollissima) – uplist from Least Concern to Near Threatened or Vulnerable?

Common Eider Somateria mollissima is distributed over the northern coasts of Europe, North America, eastern Siberia and southern Greenland. It breeds in the Arctic and northern temperate regions, but its range expands during winter to as far south as New … Continue reading

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Archived 2015 topics: Horned Grebe (Podiceps auritus) – uplist from Least Concern to Vulnerable?

Horned Grebe Podiceps auritus breeds in both the Palearctic (from Iceland and the Baltic to Kamchatka, wintering from the North Sea to the Caspian Sea and off E Asia) and the Nearctic (from C Alaska to C Canada and NW … Continue reading

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Archived 2015 topics: Cory’s Shearwater (Calonectris diomedea) is being split: request for information on C. diomedea and C. borealis

Cory’s Shearwater Calonectris diomedea is being split into C. diomedea and C. borealis, following the application of criteria set out by Tobias et al. (2010) and consultation of genetic evidence (Gómez-Díaz et al. 2009, Genovart et al. 2013). Continue reading

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Archived 2015 topics: Mexican Parrotlet (Forpus cyanopygius): uplist to Near Threatened or Vulnerable?

This discussion was first published as part of the 2013 Red List update, but remains open for comment to enable reassessment in 2015. BirdLife species factsheet for Mexican Parrotlet Mexican Parrotlet Forpus cyanopygius is restricted to Western Mexico. It is currently listed … Continue reading

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Archived 2015 topics: Flammulated Flycatcher (Deltarhynchus flammulatus): uplist to Near Threatened or Vulnerable?

This discussion was first published as part of the 2013 Red List update, but remains open for comment to enable reassessment in 2015. BirdLife species factsheet for Flammulated Flycatcher Flammulated Flycatcher Deltarhynchus flammulatus is restricted to the Mexican Pacific Region. It … Continue reading

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Archived 2015 topics: Sierra Madre Sparrow (Xenospiza baileyi): is it correctly listed as Endangered?

Although the range estimates for this species meet the thresholds for Critically Endangered, it does not qualify for this status because it is known from more than one location and its habitat was not considered to be severely fragmented. Further detailed information on this species is requested in order to clarify its status. Continue reading

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Archived 2015 topics: Cassin’s Auklet (Ptychoramphus aleuticus): uplist to Near Threatened or Vulnerable?

This discussion was first published as part of the 2013 Red List update, but remains open for comment to enable reassessment in 2015. BirdLife species factsheet for Cassin’s Auklet Cassin’s Auklet Ptychoramphus aleuticus ranges from Baja California (Mexico) up the Pacific … Continue reading

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Archived 2015 topics: Tamaulipas Pygmy-Owl (Glaucidium sanchezi): eligible for uplisting?

Remapping of this species’s range has resulted in a new estimated EOO of 19,300 km2. Comments on the potential uplisting of the species and further information are requested, in particular information on the level of habitat fragmentation and number of locations. Continue reading

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Suggestions for new topics

To suggest discussion of a species not listed in the forum, send a reply to this discussion. A moderator will assess the suitability of the topic and create a new topic if appropriate. Continue reading

Posted in Africa, Americas, Asia, Australia, Caribbean, Central America, Europe & Central Asia, Galliformes, Hawaii, Middle East, North America, Pacific, Parrots, Seabirds, South America, Waterbirds | 19 Comments

Archived 2014 discussion: Additional changes to species listed as Extinct: six [edited from five] Extinct species are being re-categorised as Not Recognised and 12 taxa [edited from 11] are being newly recognised as Extinct species

Five Extinct species are being re-categorised as Not Recognised and 12 taxa are being newly recognised as Extinct species following descriptions and evidence that they are likely to have remained extant post-1500. Continue reading

Posted in Africa, Americas, Archive, Caribbean, North America, Pacific, Parrots, Waterbirds | 7 Comments

Archived 2014 discussion: Xantus’s Murrelet (Synthliboramphus hypoleucus) is being split: list S. hypoleucus as Endangered and S. scrippsi as Vulnerable?

Xantus’s Murrelet Synthliboramphus hypoleucus is being split into S. hypoleucus and S. scrippsi, following the application of criteria set out by Tobias et al. (2010), and consideration of genetic evidence (Birt et al. 2012). Continue reading

Posted in Americas, Archive, Central America, North America, Seabirds | Tagged | 2 Comments

Archived 2014 discussion: Clapper Rail (Rallus longirostris) is being split: list R. obsoletus (incorporating levipes, yumanensis and beldingi) as Near Threatened or Vulnerable?

Clapper Rail Rallus longirostris is being split into R. longirostris, R. obsoletus and R. crepitans, following the application of criteria set out by Tobias et al. (2010). Continue reading

Posted in Americas, Archive, Caribbean, Central America, North America, South America, Waterbirds | Tagged | 3 Comments

Archived 2014 discussion: Red-lored Amazon (Amazona autumnalis) is being split: list A. lilacina and A. diadema as Endangered and A. autumnalis as Least Concern?

Red-lored Amazon Amazona autumnalis is being split into A. autumnalis, A. lilacina and A. diadema, following the application of criteria set out by Tobias et al. (2010). Continue reading

Posted in Americas, Archive, Central America, North America, Parrots, South America | Tagged | 3 Comments

Archived 2014 discussion: Two Amazona splits: list both Amazona guatemalae and A. bodini as Near Threatened?

Festive Amazon Amazona festiva is being split into A. festiva and A. bodini, and Mealy Amazon A. farinosa is being split into A. farinosa and A. guatemalae, following the application of criteria set out by Tobias et al. (2010). Continue reading

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Archived 2014 discussion: King Rail (Rallus elegans) is being split: request for information on R. elegans and R. tenuirostris.

King Rail Rallus elegans is being split into R. elegans and R. tenuirostris, following the application of criteria set out by Tobias et al. (2010) and consultation of genetic evidence (Maley and Brumfield 2013). Continue reading

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Archived 2014 discussion: American Coot (Fulica americana) and Caribbean Coot (F. caribaea) are being lumped as F. americana: list the newly defined species as Least Concern?

American Coot Fulica americana and Caribbean Coot F. caribaea are being lumped as F. americana, following the application of criteria set out by Tobias et al. (2010) and study of published information (Robertson and Baptista 1988, McNair and Cramer-Burke 2006, Sibley 2011). Continue reading

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Archived 2014 discussion: Wedge-tailed Sabrewing (Campylopterus curvipennis) and Long-tailed Sabrewing (C. excellens) are being lumped as C. curvipennis: list the newly defined species as Least Concern?

Wedge-tailed Sabrewing Campylopterus curvipennis and Long-tailed Sabrewing C. excellens are being lumped as C. curvipennis, following the application of criteria set out by Tobias et al. (2010). Continue reading

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Archived 2014 discussion: Green Parakeet (Aratinga holochlora) and Socorro Parakeet (A. brevipes) are being lumped as A. holochlora: list the newly defined species as Least Concern?

Green Parakeet Aratinga holochlora and Socorro Parakeet A. brevipes are being lumped as A. holochlora, following the application of criteria set out by Tobias et al. (2010). Continue reading

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Archived 2014 discussion: Balsas Screech-owl (Megascops seductus): downlist to Least Concern?

Balsas Screech-owl Megascops seductus has a moderately small range in west-central Mexico, where it is a fairly common resident. It is listed as Near Threatened on the IUCN Red List because it was thought to have a restricted range that approaches the threshold for listing as Vulnerable, however this species has been mapped by Natureserve/BirdLife International as having an estimated Extent of Occurrence (EOO) of 80,200 km2, hence it does not appear to approach the IUCN thresholds and appears to warrant downlisting to Least Concern. Continue reading

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Archived 2014 discussion: McKay’s Bunting (Plectrophenax hyperboreus): downlist to Least Concern?

This discussion was first published as part of the 2013 Red List update, but remains open for comment to enable reassessment in 2014. BirdLife species factsheet for McKay’s Bunting McKay’s Bunting Plectrophenax hyperboreus breeds on Hall and St Matthew islands (USA) … Continue reading

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Archived 2014 discussion: Kittlitz’s Murrelet (Brachyramphus brevirostris): is it eligible for downlisting?

It is proposed that the species’s status be re-evaluated. However, there is a lack of consensus regarding the species’s current population trend, with views that the species may be declining more slowly than previously thought, or that it could be stable or increasing. Further information is requested on the likely trend over a period of three generations. Continue reading

Posted in Americas, Archive, Asia, North America, Seabirds | Tagged | 19 Comments

Archived 2014 discussion: Lesser Yellowlegs (Tringa flavipes): request for information

Lesser Yellowlegs Tringa flavipes is listed as Least Concern on the basis that it is not believed to approach the thresholds for Vulnerable under any of the IUCN criteria. In recent years, evidence of declines in the population of T. flavipes has raised concerns over the species’s status. Up-to-date information is requested on this species’s population trend and the severity of potential threats. Continue reading

Posted in Archive, Caribbean, Central America, North America, South America, Waterbirds | Tagged | 14 Comments

Archived 2014 discussion: Yellow-billed Magpie (Pica nuttalli): eligible for uplisting?

There is now evidence that this species has suffered high levels of mortality and a severe population decline owing to a high susceptibility to West Nile virus (Airola et al. 2007, Crosbie et al. 2008), since its documented arrival in California in summer 2003 (Reisen et al. 2004), with data suggesting a decline of 42-49% from 2004 to 2006 (Crosbie et al. 2008). Comments are invited on the potential uplisting of this species under criterion A, and further information is requested, particularly on whether the observed rapid decline and high mortality have continued up until the present. Continue reading

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Archived 2014 discussion: Wood Thrush (Hylocichla mustelina): uplist to Near Threatened?

It is proposed that the species be uplisted as Near Threatened under criterion A2a, on the basis that it is estimated to have undergone a moderately rapid population decline (approaching 30%) over the past three generations (12 years), based on survey results. Continue reading

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Archived 2014 discussion: Lilac-crowned Amazon (Amazona finschi): uplist to Endangered?

This discussion was first published as part of the 2013 Red List update, but remains open for comment to enable reassessment in 2014. BirdLife species factsheet for Lilac-crowned Amazon Lilac-crowned Amazon Amazona finschi is restricted to the Pacific coast of Mexico (Forshaw … Continue reading

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Archived 2014 discussion: Kentish Plover (Charadrius alexandrinus) is being split: list C. nivosus as Near Threatened, C. dealbatus as Data Deficient and C. alexandrinus as Least Concern?

Kentish Plover Charadrius alexandrinus is being split into C. alexandrinus, C. nivosus and C. dealbatus, following the application of criteria set out by Tobias et al. (2010). Continue reading

Posted in Africa, Americas, Archive, Asia, Caribbean, Central America, Europe & Central Asia, Middle East, North America, South America | Tagged | 14 Comments

Archived 2014 discussion: Montezuma Quail (Cyrtonyx montezumae) is being split: list C. sallei as Near Threatened?

Montezuma Quail Cyrtonyx montezumae is being split into C. montezumae and C. sallei following the application of criteria set out by Tobias et al. (2010). Continue reading

Posted in Americas, Archive, Galliformes, North America | Tagged | 2 Comments

Archived 2014 discussion: Broad-billed Hummingbird (Cynanthus latirostris) is being split: list C. lawrencei as Near Threatened?

Broad-billed Hummingbird Cynanthus latirostris is being split into C. latirostris, C. doubledayi and C. lawrencei, following the application of criteria set out by Tobias et al. (2010). Continue reading

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Archived 2014 discussion: Olive-throated Parakeet (Aratinga nana) is being split: list A. nana as Near Threatened?

Olive-throated Parakeet Aratinga nana is being split into A. nana and A. astec, following the application of criteria set out by Tobias et al. (2010). Continue reading

Posted in Americas, Archive, Caribbean, Central America, North America, Parrots | Tagged | 3 Comments

Final decisions for the 2013 Red List

Final decisions have been reached on the 2013 forum consultations. These are subject to approval and ratification by the IUCN. Continue reading

Posted in Africa, Americas, Archive, Asia, Australia, Bustards, Caribbean, Central America, Europe & Central Asia, Galliformes, Hawaii, Middle East, North America, Pacific, Parrots, Seabirds, South America, Vultures, Waterbirds | 1 Comment

Archived: Preliminary decisions for the 2013 Red List

The attached spreadsheet lists preliminary decisions for the 2013 Red List update. Continue reading

Posted in Africa, Americas, Archive, Asia, Australia, Bustards, Caribbean, Central America, Europe & Central Asia, Galliformes, Hawaii, Middle East, North America, Pacific, Parrots, Seabirds, South America, Vultures, Waterbirds | Leave a comment

Archived 2012-2013 topics: Pileated Flycatcher (Xenotriccus mexicanus): downlist to Least Concern?

Pileated Flycatcher Xenotriccus mexicanus is listed as Near Threatened, however, this species has been mapped by Natureserve/BirdLife International as having an estimated Extent of Occurrence (EOO) of 113,000 km2, hence it does not appear to approach the IUCN thresholds and appears to warrant downlisting to Least Concern. Continue reading

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Archived 2012-2013 topics: Red-cockaded Woodpecker (Picoides borealis): downlist to Near Threatened?

Red-cockaded Woodpecker Picoides borealis is presently listed as Vulnerable because its population was estimated to number fewer than 10,000 mature individuals and was previously estimated to be declining at a rate of 20-29% over 16 years. It has recently been confirmed, however, that the species’s population has exceeded 10,000 mature individuals since at least 2000, and is provisionally estimated to have numbered 14,500 mature individuals in 2008. In addition, it is now thought that the population is stable and possibly increasing, and has been at least since 2003. Consequently, it is proposed to downlist the species to Near Threatened. Continue reading

Posted in Archive, North America | Tagged | 2 Comments

Archived 2012-2013 topics: Laysan Duck (Anas laysanensis): downlist to Vulnerable?

In 2004, Laysan Duck Anas laysanensis was uplisted to Critically Endangered because new information suggested that its population was undergoing extreme fluctuations within its extremely small range on just one island, however following successful translocations, by the 2011 Red List update the population will be estimated to have been increasing for at least five years without the occurrence of extreme fluctuations. It is therefore proposed to downlist the species to Vulnerable under criterion D2. Continue reading

Posted in Americas, Archive, Hawaii, North America, Pacific, Waterbirds | Tagged | 5 Comments

Archived 2012-2013 topics: Oaxaca Sparrow (Aimophila notosticta): request for information

Oaxaca Sparrow Aimophila notosticta is currently listed as Near Threatened under criterion B1a+b(i,ii,iii,v), on the basis that it has a moderately small range, which is probably in decline owing to habitat loss and degradation. This species’s Extent of Occurrence was recently estimated at 39,300 km2 which does not approach the threshold for Vulnerable under the B1 criterion.
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Posted in Archive, North America | Tagged | 2 Comments

Archived: Final decisions for the 2012 Red List

2011-2012 Forum topics Final decisions The attached spreadsheet lists the results of the 2012 forum consultations, subject to approval and ratification by IUCN. Please use the filters to look for your region or species group of interest. Any discussions of … Continue reading

Posted in Africa, Americas, Archive, Asia, Australia, Bustards, Caribbean, Central America, Europe & Central Asia, Galliformes, Hawaii, Middle East, North America, Pacific, Parrots, Seabirds, South America, Vultures, Waterbirds | 6 Comments

Archived: Preliminary decisions for the 2012 Red List

2012 forum topics provisional decisions The attached spreadsheet lists preliminary decisions for the 2012 Red List. Please use the filters to look for your region or species group of interest. There will now be a further final opportunity to make … Continue reading

Posted in Africa, Americas, Archive, Asia, Australia, Bustards, Caribbean, Central America, Europe & Central Asia, Galliformes, Hawaii, Middle East, North America, Pacific, Parrots, Seabirds, South America, Species Group, Vultures, Waterbirds | 2 Comments

Archived 2011-2012 topics: Island Scrub-jay (Aphelocoma insularis): does it qualify as Vulnerable?

The species’s population was estimated to number c.9,000 mature individuals (Rich et al. 2004), although the analysis of survey results from 2008 and 2009 suggests there may actually be fewer than 3,000 individuals, and perhaps only c.2,400, but with no clear evidence of a decline (Morrison et al. 2011, The Nature Conservancy 2011). It may be susceptible to catastrophic fires and the introduction of diseases, and there is particular concern over the potential danger from West Nile virus, which arrived in mainland southern California in 2003, but has not yet become established on Santa Cruz Island (c.30 km from the mainland) (Boyce et al. 2011, Morrison et al. 2011). The species potentially qualifies for uplisting to Vulnerable under criterion D2. Comments are invited on this potential category change and further information would be welcomed. Continue reading

Posted in Americas, Archive, North America | Tagged | 5 Comments

Archived 2011-2012 topics: Sinaloa Martin (Progne sinaloae): list as Near Threatened?

A comprehensive review of records by Lethaby and King (2010) suggests that there may be sufficient information available for an assessment of the species’s threat status against the IUCN criteria; indeed, the authors recommend that the species be listed as Endangered under criterion C2a(ii), with a declining population and fewer than 2,500 mature individuals remaining. Continue reading

Posted in Americas, Archive, Central America, North America, South America | Tagged | 4 Comments

Archived 2011-2012 topics: Greater Scaup (Aythya marila): uplist to Near Threatened or Vulnerable?

Greater Scaup Aythya marila breeds in tundra and moorland in northernmost Europe, Asia and North America, and winters in shallow coastal waters and occasionally inland water bodies south of its breeding grounds. The species is currently listed as Least Concern on the basis that it was not thought to approach the thresholds for Vulnerable under any of the IUCN criteria. An analysis of Christmas Bird Count data collected since the mid-1960s suggests that an annual population change of -3.4% has occurred across c.85% of the species’s range in North America, indicating a 75% decline between 1965-1966 and 2005-2006 (Butcher and Niven 2007), and suggesting a decline of c.57% over the last three generations.
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Posted in Americas, Archive, Asia, Europe & Central Asia, North America, Waterbirds | 7 Comments

Archived 2011-2012 topics: Long-tailed Duck (Clangula hyemalis): uplist to Endangered?

Long-tailed Duck Clangula hyemalis is a widespread circumpolar species that breeds mainly in the Arctic tundra and winters generally to the south, mainly far offshore. It is currently listed as Least Concern because it was not thought to approach the thresholds for Vulnerable under any of the IUCN Red List criteria. Taking the 27-year decline rates calculated for the Baltic and North American populations, and assuming that the two other smaller populations have remained stable, the species’s global population may be declining at a rate of more than 50% over three generations, which would qualify the species for uplisting to Endangered under criterion A.
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Posted in Americas, Archive, Asia, Europe & Central Asia, North America, Waterbirds | 16 Comments

Archived 2011-2012 topics: Taxonomic changes in the genus Melanitta, part II: suggestions to list M. fusca as Endangered and M. deglandi as Least Concern, and request for information on M. stejnegeri

White-winged Scoter Melanitta fusca has been split into M. fusca, M. deglandi and M. stejnegeri following a review of recent literature (Livezey 1995, Garner et al. 2004, Sangster et al. 2005, Collinson et al. 2006, AOU 2010) and museum specimens by the BirdLife Taxonomic Working Group. Further information is requested and comments are invited on whether the population of M. fusca is likely to have declined at a rate equivalent to 50-79% over the past three generations, and thus whether it qualifies for listing as Endangered under criterion A. Continue reading

Posted in Americas, Archive, Asia, Europe & Central Asia, North America, Waterbirds | 10 Comments

Archived 2011-2012 topics: Taxonomic changes in the genus Melanitta, part I: suggestion to list M. nigra as Vulnerable and request for information on M. americana

Black Scoter Melanitta nigra has been split into M. nigra and M. americana following a review of recent literature (Livezey 1995, Garner et al. 2004, Sangster et al. 2005, Collinson et al. 2006, AOU 2010) and museum specimens by the BirdLife Taxonomic Working Group. Further information is requested on population trends in these two newly-split species and comments are invited on whether the population of M. nigra is likely to have declined at a rate equivalent to at least 30% over the past three generations, and thus if it qualifies for listing as at least Vulnerable under criterion A. Continue reading

Posted in Americas, Archive, Asia, Europe & Central Asia, North America, Waterbirds | 11 Comments