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

Common Yellowthroat by Mircea Costina, Shutterstock
  • Population: 77 million
  • Trend:  Decreasing
Kentucky Warbler by Bryan Calk, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 2.6 million
  • Trend:  Decreasing
Hermit Warbler by punkbirdr, Shutterstock
  • Population: 2.5 million
  • Trend:  Stable
Blue-winged Warbler by Frode Jacobsen, Shutterstock
  • Population: 680,000
  • Trend:  Decreasing
Yellow Warbler by Agnieszka Bacal
  • Population: 93 million
  • Trend:  Stable
Loggerhead Shrike by Greg Lavaty, texastargetbirds.com
  • Population: 4.6 million
  • Trend:  Decreasing
Horned Lark by Tom Grey
  • Population: 100 million
  • Trend:  Decreasing
  • Population: 110,000
  • Trend:  Decreasing
Common Nighthawk by Jason Cole, Macaulay Library at the Cornell Lab of Ornithology.
  • Population: 22 million
  • Trend:  Decreasing
  • Population: 170 million
  • Trend:  Decreasing
  • Population: Unknown
  • Trend:  Probably decreasing
  • Population: 27 million
  • Trend:  Stable
  • Population: 13 million (North America); 43 million (World)
  • Trend:  Decreasing
  • Population: 460,000
  • Trend:  Stable
  • Population: 750,000
  • Trend:  Stable
  • Population: 11 million world; 5.5 million North America
  • Trend:  Decreasing
  • Population: 1.8 million (North America); 4.8 million (world)
  • Trend:  Decreasing
  • Population: 9.1 million
  • Trend:  Decreasing
Montezuma Quail. Photo by Peter LaTourrette.
  • Population: ~1.5 million; most in Mexico
  • Trend:  Decreasing
Yellow Rail. Photo by Agami Photo Agency, Alamy Stock Photo.
  • Population: 6,700-17,000
  • 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.