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- Bird - Wikipedia
There are over 11,000 living species and they are split into 44 orders More than half are passerine or "perching" birds Birds have wings whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds
- List of birds - Wikipedia
This article lists living orders and families of birds In total there are about 11,000 species of birds described as of 2024, [1] though one estimate of the real number places it at almost 20,000 [2]
- List of birds by common name - Wikipedia
List of birds by common name In this list of birds by common name 11,250 extant and recently extinct (since 1500) bird species are recognised [1]
- Bird - Simple English Wikipedia, the free encyclopedia
In English, domesticated birds are often called poultry and undomesticated birds are called game birds Songbirds, parrots and other types of birds are popular as pets
- Bird | Description, Species, Feathers, Facts | Britannica
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 related to reptiles than mammals
- Birds of the World - Cornell Lab of Ornithology
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
- Wikipedia:Featured pictures Animals Birds - Wikipedia
Wikipedia:Featured pictures Animals Birds < Wikipedia:Featured pictures | Animals Directory of featured pictures
- Bird | Birds Wiki | Fandom
Birds (class Aves) are bipedal, endothermic (warm-blooded), vertebrate animals that can lay eggs There are around 10,000 living species, making them the most diverse biped vertebrates
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