- Bird - Wikipedia
Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming The study of birds is called ornithology Birds are feathered dinosaurs, having evolved from earlier theropods, and constitute the only known living dinosaurs
- 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
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 vertebrates more related to reptiles than mammals
- Online bird guide, bird ID help, life history, bird sounds from Cornell . . .
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
The smallest is the two-inch-long bee hummingbird Everything about the anatomy of a bird reflects its ability to fly The wings, for example, are shaped to create lift
- All About Birds | Birds, Cornell Lab of Ornithology
All About Birds is your free online guide to birds and bird watching Explore in-depth species information, tips from the Lab’s experts, and inspirational v
- Birds of the World - Cornell Lab of Ornithology
Every bird has a story Discover them all with Birds of the World I agree to receive news, promotions, and updates about the Cornell Lab of Ornithology
- 40 Different Types of Birds With Names, Photos, More!
Discover fascinating bird types! From giant ostriches to tiny kiwis, learn about different types of birds, their unique traits, and more!
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