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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: Blue-and-gold Tanager
Blue-and-gold Tanager Bangsia arcaei is currently listed as Near Threatened under criteria A2c; A3c; A4c; B1a+b(i,ii,iii,iv,v) because, although its Extent of Occurrence (EOO) is less than 20,000 km2 and declines are suspected in its range owing to habitat clearance and degradation, and its population is suspected to be experiencing a moderately rapid decline owing to the same threats, the population, however, is not yet considered to be severely fragmented or restricted to a few locations. The latest population estimate for this species in Costa Rican Important Bird Areas of 2,500-3,900 mature individuals (Sánchez et al. 2009) suggests that the total population could number fewer than 10,000 mature individuals.