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Five most recent topics
- Dupont’s Lark (Chersophilus duponti): Request for information from North Africa
- Principe Speirops (Zosterops leucophaeus): revise global status?
- Tickell’s Brown Hornbill (Anorrhinus tickelli): request for information.
- Sichuan Treecreeper (Certhia tianquanensis): downlist from Near Threatened to Least Concern?
- Gurney’s Pitta (Hydrornis gurneyi): revise global status?
Tag Archives: Yellow-billed Magpie
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
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