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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.
Google AI とのチャットで、文章やリストを作成したり、計画を立てたり、新しいことを学んだりできます. ログイン. プライバシーと利用規約. Bard が Gemini になりました。. Google AI で文章やリストの作成、計画の立案、新しい知識の習得など、さまざまなこと ...
All News. All Webinars. 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.
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.
eBird is a global platform for birders to share their sightings, explore birds and hotspots, and contribute to conservation. Learn how to join, use eBird Mobile, and access resources and news.
Explore the diversity and adaptability of birds with stunning photos, videos, and stories. Learn about their anatomy, evolution, behavior, and conservation.
Identifica las aves que ves y escuchas con Merlin Bird ID. Guía de aves del mundo, gratis, con fotos, sonidos, mapas y más.
