Bird | Description, Species, Feathers, & Facts | Britannica
2024年10月6日 · 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.
Bird - Aves, Species, Orders | Britannica
2024年10月6日 · 66 species in 6 families worldwide, including cormorants, boobies, gannets, tropic birds, and frigate birds. Water birds with all 4 toes webbed; bill hooked or straight and sharply pointed; length 48–188 cm (19–74 inches).
Ant | Description, Taxonomy, Habitat, Species, Life Cycle, & Facts ...
2024年10月5日 · Ants are essential members of the ecosystems they inhabit, and some even serve as keystone species that have a disproportionately large effect on their ecological communities. Some ants are considered pests to humans, and a number are invasive species in areas outside their native ranges.
Bee | Definition, Description, Hymenoptera, Types, & Facts
2024年10月5日 · A bee (superfamily Apoidea) is any of more than 20,000 species of insects in the suborder Apocrita (order Hymenoptera), which includes the familiar honeybee (Apis) and bumblebee (Bombus and Psithyrus) as well as thousands of more wasplike and flylike bees.
Peacock | Facts & Habitat | Britannica
2024年9月16日 · peacock, any of three species of resplendent birds of the pheasant family, Phasianidae (order Galliformes). Strictly, the male is a peacock, and the female is a peahen; both are peafowl.
Cardinal | Bird, Description, & Facts | Britannica
Cardinal, any of various medium-size thick-billed species of songbirds of the New World, many with crested heads. The males all sport at least some bright red plumage. All species are nonmigratory and give clear whistled songs. One of the most popular, widespread, and abundant of the North American.
Bird-of-paradise | Exotic Plumage & Courtship Rituals | Britannica
2024年9月27日 · bird-of-paradise, (family Paradisaeidae), any of approximately 45 species of small to medium-sized forest birds (order Passeriformes). They are rivalled only by a few pheasants and hummingbirds in colour and in the bizarre shape of the males’ plumage.
Birds Portal | Britannica
Hummingbirds, chickens, flamingos, pheasants: birds may come in all different shapes and sizes, but they all possess feathers, which is the easiest way to distinguish them from all other animals.
Common raven | Bird, Description, & Facts | Britannica
2024年9月21日 · common raven, (Corvus corax), large, black-feathered, highly intelligent bird of the Corvidae family, which includes other types of ravens, crows, magpies, and jays. Common ravens are the largest of the passerine, or perching, …
6 of the World's Most Dangerous Birds | Britannica
Territoriality and defending young from predators remains serious business, and even the smallest birds will lash out at threats. The list below highlights some of the world’s most dangerous birds.