ABC's Bird Library

Search our 400+ comprehensive bird species profiles to learn about the natural history and conservation issues facing birds throughout the Americas.

Blue-throated macaws flying

Search our library

Pyrrhuloxia by Cameron Rutt, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 1.5 million
  • Trend:  Decreasing
Vermillion Flycatcher by Jeff Bray, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 540,000 (U.S. and Canada); 15 million (World)
  • Trend:  Increasing
Collared Forest-Falcon by Milan Zygmunt, Shutterstock
  • Population: 500,000-4,999,999
  • Trend:  Decreasing
Velvet-purple Coronet by Greg Homel, Natural Elements Productions
  • Population: Unknown
  • Trend:  Decreasing
Fiery Topaz by Gabriel Leite, Macaulay Library at the Cornell Lab of Ornithology
  • Population: Unknown
  • Trend:  Probably decreasing
Sword-billed Hummingbird by David Fisher, Neotropical Bird Club
  • Population: Unknown
  • Trend:  Stable
Gorgeted Puffleg by Carlos Mario Wagner, Macaulay Library at the Cornell Lab of Ornithology
  • Population: ~900 individuals
  • Trend:  Decreasing
Scarlet Macaw by Blair Dudeck, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 50,000-500,000
  • Trend:  Decreasing
Black Rosy-Finch by Bryan Calk, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 20,000
  • Trend:  Decreasing
Golden-backed Mountain-Tanager by Miguel Lezame, Tanager Tours, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 250-2,500
  • Trend:  Decreasing
Prairie Falcon by Jay Pierstorff, Shutterstock
  • Population: 81,000
  • Trend:  Increasing
Carolina Chickadee by Connie Barr, Shutterstock
  • Population: 13 million
  • Trend:  Declining
Baudo Guan, Su Li, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 7,000-21,000
  • Trend:  Decreasing
Wedge-tailed Shearwater by Herbert Fechter, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 5.2 million
  • Trend:  Decreasing
Red-cockaded Woodpecker by Keith Kennedy, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 15,000
  • Trend:  Decreasing
Cundinamarca Antpitta by Daniel J. Lebbin
  • Population: 330-800
  • Trend:  Decreasing
Turkey Vulture by Gary Sang, Shutterstock
  • Population: 6,700,000 (estimate only for U.S. and Canada)
  • Trend:  Stable or increasing
Red-necked Phalarope by Darren Clark, Macaulay Library at the Cornell Lab of Ornitholog
  • Population: 3,600,000 to 4,500,000
  • Trend:  Decreasing
American Flamingos by John A. Anderson, Shutterstock
  • Population: 150,000-205,000
  • Trend:  Increasing
Marbled Murrelet by Mike Danzenbaker
  • Population: 240,000-280,000
  • Trend:  Decreasing

Get Involved

We've lost a more than a quarter of our birdlife since 1970.

Bird-friendly life graphic

Helping birds starts at home with these simple steps.

Eastern Bluebird, Jesse Nguyen/Shutterstock

Tell lawmakers to prioritize birds and bird-friendly policies!

Your contribution helps us achieve real conservation results.