Bird - Wikipedia
Birds are a group of warm-blooded vertebrates constituting the class Aves (Latin: [ˈaveːs]), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high …
Guide to North American Birds | Audubon
Explore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their ability to survive.
Bird | Description, Species, Feathers, & Facts | Britannica
2024年11月17日 — Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded …
Online bird guide, bird ID help, life history, bird sounds from …
Use our Bird Guide to identify birds, learn about the life history, listen to the sounds, and watch bird behavior on video--the most comprehensive guide to Nort
Bird Pictures & Facts - National Geographic
Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide...
eBird - Discover a new world of birding...
eBird transforms your bird sightings into science and conservation. Plan trips, find birds, track your lists, explore range maps and bird migration—all free.
Search, All About Birds, Cornell Lab of Ornithology
Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles.
National Audubon Society
Our science shows where birds go and what they need when they get there. We're prepared to heed that call. Audubon pairs diplomacy with advocacy to achieve conservation outcomes. …
26 Most Common Birds in Washington State: Expert Guide!
2024年4月29日 — Embark on a journey through Washington State’s diverse landscapes with our expert guide to the 26 most common bird species! From the iconic Red-breasted Sapsucker to …
Cornell Lab of Ornithology—Home
eBird Status and Trend Maps reveal how birds are faring across continental scales. Explore the map for Baltimore Oriole. Join us and help create a future where birds, nature, and people can …