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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: 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