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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Lazuli Bunting by Peter LaTourrette
  • Population: 6.7 million
  • Trend:  Stable
Yellow-throated Vireo by Andrew Weitzel, CC BY-SA
  • Population: 4.4 million
  • Trend:  Increasing
Black-throated Gray Warbler by Jonathan Irons, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 3.2 million
  • Trend:  Decreasing
Northern Waterthrush by Larry Master, masterimages.org
  • Population: 17,000,000
  • Trend:  Increasing
Painted Redstart by Ad Konigs, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 600,000
  • Trend:  Decreasing
Connecticut Warbler by Michael Henry, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 1.8 million
  • Trend:  Decreasing
Orange-crowned Warbler by Luke Seitz.
  • Population: 82 million
  • Trend:  Decreasing
Orchard Oriole @Michael Stubblefield, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 12 million
  • Trend:  Decreasing
Brown Thrasher by Tessa Nickels
  • Population: 6.1 million
  • Trend:  Decreasing
Field Sparrow by Mark Johnson, Shutterstock
  • Population: 9.2 million
  • Trend:  Decreasing
Fox Sparrow @Michael Stubblefield
  • Population: 33 million
  • Trend:  Stable
Green Kingfisher by Bryan Calk, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 20 million
  • Trend:  Probably declining based on habitat loss
Green-breasted Mango by Ana Paula Oxom, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 500,000 – 5 million
  • Trend:  Probably declining based on habitat loss
  • Population: 200,000
  • Trend:  Decreasing
Northern Emerald-Toucanet by Timo Mitzen, Macaulay Library at the Cornell Lab of Ornithology
  • Population: Unknown
  • Trend:  Probably declining based on habitat loss
Barred Fruiteater by Jorge Gabriel Campos, Macaulay Library at the Cornell Lab of Ornithology
  • Population: Unknown
  • Trend:  Stable
Red Crossbill by @Michael Stubblefield, Macaulay Library at the Cornell Lab of Ornithology
  • Population: 9.6 million (U.S. and Canada); 26 million (World)
  • Trend:  Stable
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

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Eastern Bluebird, Jesse Nguyen/Shutterstock

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