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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: Red-cockaded Woodpecker
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