Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. The study of birds is called ornithology.

Dec 17, 2025 · Bird, any of the approximately 11,200 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more …

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

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.

Oct 25, 2025 · Although all bird species have wings, some are actually flightless animals that only use their wings for balance and not for flying. Other birds, such as penguins, use their wings for swimming.

Dec 19, 2025 · Avibase is an extensive database information system about all birds of the world, containing over &1 million records about 10,000 species and 22,000 subspecies of birds, including …

May 6, 2025 · With their populations constantly declining, 1,227 bird species were listed as threatened by BirdLife International and the IUCN in 2009. However, conservation efforts are being undertaken …

3 days ago · eBird transforms your bird sightings into science and conservation. Plan trips, find birds, track your lists, explore range maps and bird migration—all free.

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 ...

Join us for a virtual presentation with Caribbean guide and conservationist, Ryan Chenery, who will discuss the special challenges faced by single-island endemic bird species.