Birds evolved from reptiles. There are more than 9,000 kinds of birds in the world, all of which have wings and feathers, even those birds (such as ostriches and penguins) that have lost the ability to fly. Birds' feathers have different shapes and colors, which not only help birds keep warm, but also help birds fly. Most birds have the ability to fly, so they can actively migrate to adapt to the changing living environment.

Raptor: Generally, it is large in size, mainly carnivorous, fierce in character, sharp in mouth and claws, powerful in wings, and good at catching animals. Raptors mainly include Hawkiformes (eagles) and birds (owls). ). The former is like golden eagle, goshawk, sparrow hawk, red-footed falcon and kestrel; The latter, such as red-horned birds, long-eared birds, short-eared birds, etc.

Songbirds: The song varies with gender and season, and the song in the breeding season is the most euphemistic and loud. Such as thrush, crow, oriole, grey magpie, coal tit, black curly tail, hairy-footed swallow and so on have their own characteristics.

Roadbird: Mainly inhabiting on land, with strong physique and round wings, it is not suitable for long-distance flight, short and blunt mouth, strong legs and feet, and hooked claws, which are very suitable for running and digging on land. Grouse, pheasant and peacock all belong to this category.

Wading bird: a bird adapted to life in swamps and watersides, with long legs, neck and toes, suitable for wading, but not for swimming. They often stand on one foot when resting, and mostly get food from the bottom of the water, mud or the ground. Herons, storks, cranes and storks all belong to this category.

Bird-climbing: Swift with four toes stretching forward and Dai Sheng with crested feathers are common bird-climbing. Many species are gorgeous and have their own characteristics. They are common ornamental birds. Some species are on the verge of extinction and need urgent attention. Kingfishers who eat fish, cuckoos who eat caterpillars, parrots who talk like economists, woodpeckers who eat dry pests, Swifts, Dai Sheng, nighthawks and hummingbirds all belong to climbing birds.

Wandering birds: a general term for birds that like to forage and inhabit in the water. There are many kinds of stray birds, which are widely distributed in China. There are many kinds of swimming birds, which are widely distributed in China. Including geese, ducks and seagulls, such as swans, geese, mandarin ducks, pelicans and seagulls. These birds are distributed in different areas, not as common as swan, cygnet, wild duck, merganser, merganser and cormorant in Beijing.

Photo and bird's name, little emu.

pelican

Toucan

Small crested hornbill

Oriental hyacinthus orientalis parrot

heron

tit

Weaving nest bird

Peacebird

Black crowned crane