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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.
BIRD definition: 1. a creature with feathers and wings, usually able to fly: 2. a particular type of person: 3. a…. Learn more.
The meaning of BIRD is the young of a feathered vertebrate. How to use bird in a sentence.
Bird definition: any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.. See examples of BIRD used in a sentence.
Jun 22, 2024 · Bird, any of the more than 10,400 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. Learn more about birds in this article.
A bird is a creature with feathers and wings. Female birds lay eggs. Most birds can fly.
n. 1. a. Any of various warm-blooded egg-laying feathered vertebrates of the class Aves, having forelimbs modified to form wings. b. Such an animal hunted as game. c. Such an animal, especially a chicken or turkey, used as food: put the bird in the oven. 2. See clay pigeon. 3. Sports See shuttlecock. 4.
