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- 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
- 10 MOST Common Birds Found in Seattle, WA (2025) - Bird Watching HQ
Learn the most common birds found in Seattle, Washington AND how to identify them How many of these bird species have YOU seen?
- 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
- 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
- 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
- Bird Facts - A-Z Animals
Birds are a highly diverse and successful group of vertebrates that are found on every continent except for Antarctica They are characterized by their feathered bodies, wings, and ability to fly The evolution and origins of birds have long been the subject of scientific investigation and debate
- Discover and Learn about Birds - Birds. com
Thousands of species of birds live on the planet and can be found on every continent The animals inhabit a wide range of terrains, as many birds migrate from one habitat to the next, as the seasons change They usually fly to climates that are more conducive to gathering food and breeding
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