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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.
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. Every bird has a story. Discover them all with Birds of the World.
Gemini は、Google AI を活用して文章作成やリスト作成、計画立案などを支援するウェブアプリです。
19 de may. de 2024 · Learn about birds, the feathered animals with more than 10,400 living species and a rich cultural and symbolic history. Explore their evolution, anatomy, behavior, ecology, and diversity with Britannica.
Explore the diversity and adaptability of birds with stunning photos, videos, and stories. Learn about their anatomy, evolution, behavior, and conservation.
/ freeschool - Help support more content like this! Birds! They're everywhere! There are more than 10,000 species of birds in the world and they can be found on every continent. From freezing ...
18 de abr. de 2021 · Watch how birds display amazing and unexpected behaviours, from stealing fur to singing with leaves, in this stunning BBC Earth documentary .
