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  1. Avibase is a comprehensive online resource for bird-watchers and scientists, containing over 50 million records about birds of the world, including distribution, taxonomy, synonyms and more. Search for a species or region, check the latest updates, download eBird hotspots and explore the blog posts about birds and conservation.

  2. Birds of the World is a powerful resource that brings deep, scholarly content from four celebrated works of ornithology into a single platform where biologists and birders can find comprehensive life history information on birds.

  3. This article lists living orders and families of birds. The links below should then lead to family accounts and hence to individual species. The passerines (perching birds) alone account for well over 5,000 species.

  4. 22 de jun. de 2024 · Learn about bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from all other animals. Explore their evolution, anatomy, behavior, ecology, and cultural significance with Britannica.

  5. Birds are some of the most successful vertebrate animals on Earth. Explore different types of birds, their characteristics, and 40 orders of bird families.

  6. en.wikipedia.org › wiki › BirdBird - Wikipedia

    Birds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

  7. A global alliance of nature organizations working to document the natural history of all bird species at an unprecedented scale. Species accounts for all the birds of the world.