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

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BOTW Homepage Thumbnail_Northern Parula
  • Population: 18 million
  • Trend:  Increasing
  • Population: 42 million
  • Trend:  Decreasing
Canada Warbler by Frode Jacobsen
  • Population: 2.6 million
  • Trend:  Decreasing
An ovenbird on the ground
  • Population: 26 million
  • Trend:  Stable
Yellow throated warbler on a branch
  • Population: 2 million
  • Trend:  Increasing
Two Great Blue Herons
  • Population: ~700,000
  • Trend:  Increasing
Black and White Warbler
  • Population: 18 million
  • Trend:  Decreasing
White throated sparrow on the ground
  • Population: ~160 million
  • Trend:  Decreasing
An Elegant Trogon sitting on a tree limb.
  • Population: 200,000 (~ 500 in the U.S.)
  • Trend:  Stable
A red phalarope swimming on the water
  • Population: 1 to 2.5 million (North America); 5 million (global)
  • Trend:  Unknown
Black capped petrel flying over the water
  • Population: 2,000-4,000 individuals
  • Trend:  Decreasing
A hooded merganser swimming on the water
  • Population: Unknown
  • Trend:  Stable
A long-billed starthroat flying
  • Population: ~500,000
  • Trend:  Decreasing
Laysan Albatross flying over the water
  • Population: 2.5 million
  • Trend:  Stable
A Ferruginous Pygmy Owl
  • Population: 50 million
  • Trend:  Decreasing
Snowcap sitting on a small green branch
  • Population: Unknown
  • Trend:  Decreasing
Three surf scoters sitting on the water
  • Population: ~700,000
  • Trend:  Decreasing
Northern Hawk Owl
  • Population: 130,000 (North America); 250,000 (World)
  • Trend:  Stable
Two snow geese swimming on the water
  • Population: 5-6 million
  • Trend:  Increasing
A rose-breasted grosbeak sitting on a branch
  • Population: 4.7 million
  • Trend:  Decreasing

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Eastern Bluebird, Jesse Nguyen/Shutterstock

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