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Five most recent topics
- Cory’s Shearwater (Calonectris diomedea) is being split: request for information on C. diomedea and C. borealis
- 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
- Aleutian Tern (Sterna aleutica): uplist to Vulnerable or Endangered?
- Ogea Monarch (Mayrornis versicolor): downlist to Near Threatened or Least Concern?
- West Indian Whistling-duck (Dendrocygna arborea): request for information
Tag Archives: Paramillo Tapaculo
Archived 2010-2011 topics: Paramo Tapaculo (Scytalopus opacus) and Paramillo Tapaculo (S. canus) have been split: list as Least Concern and Endangered respectively?
Paramillo Tapaculo Scytalopus canus and Paramo Tapaculo S. opacus have been split following a decision by the AOU South American Classification Committee, based on recommendations made by Krabbe and Cadena (2010). It is proposed that S. opacus, which ranges from the Central Andes of Colombia, south through Ecuador to northern Peru, be listed as Least Concern on the basis that it does not approach the thresholds for Vulnerable under any of the IUCN criteria. Mapping by BirdLife of the known range of S. canus in the Western Andes of Colombia suggests that its Extent of Occurrence (EOO) is c.940 km2. This indicates that the species may be eligible for Endangered status under the B criterion. Continue reading