Tag Archives: Black-backed Thornbill

Archived 2010-2011 topics: Black-backed Thornbill (Ramphomicron dorsale) and Santa Marta Wren (Troglodytes monticola): uplist both to Endangered?

Black-backed Thornbill Ramphomicron dorsale is endemic to the Santa Marta Mountains of Colombia, where it occurs from 2,000-4,600 m.  It is currently classified as Least Concern but its Extent of Occurrence has recently been estimated at 2,600 km2. Santa Marta … Continue reading

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