Introduction of bird species

There are many species of birds, according to the classification, birds can be divided into three heads, namely, flat chest head, penguin head, chest protruding head. A bird, such as an ostrich, that cannot fly for good swimming and diving, such as a penguin, or a bird with developed wings, such as swans, hummingbirds, magpies, crows, geese, parrots, etc.

1. Flat-chested order: it is the largest living bird, suitable for running life, and its distribution is limited to the southern hemisphere (Africa, America and southern Australia). There are 5 classifications of Ostrich order, American Ostrich order, Crane Ostrich order, Aptera, Coleoptera.

Among them, the ostrich order includes only 1 family and 1 genus, namely the ostrich genus, which represents the bird as the ostrich (also known as the African ostrich). There are only 1 family of American ostrich family in American ostrich family, which can be divided into two species: Rhea macrophylla and Rhea acuminata. The order Crane consists of 2 families and 4 species, namely, Rhea, Rhea, Rhea and emu. There are only 1 family, 1 genus and 3 species of Anoptera, namely, brown kiwi (also known as kiwi), small spotted kiwi (also known as kiwi) and macular kiwi (also known as kiwi). There are 6 genera and 18 species of Orniformes, including 1 species of Carpinus (1 species), 12 species (12 species), 1 species (1 species), 2 species (2 species) and 2 species (2 species) of Carpinus.

2. Penguin order: it is usually regarded as a symbol of the South Pole, but the largest number of penguin species are distributed in the south temperate zone. There are 6 genera and 18 species, namely king penguin (2 species), El-Adli penguin (3 species), horned penguin (6 species), yellow-eyed penguin (1 species), white-finned penguin (2 species) and penguin (4 species).

Among them, the king penguin is the largest and most beautiful penguin, the only bird that winters along the coast of the Antarctic continent and breeds in winter. El-Adli penguins are the most numerous penguins, and large groups can be seen in Antarctica, roaming Antarctic ice-laden waters. The horned penguin is the most diverse and widely distributed genus of penguins; the white-finned penguin is the smallest penguin; and the penguin is the northernmost penguin.

3. Protruding chest order: it is the largest order in the class Ornidae, including the vast majority of living birds. It can be roughly divided into six ecological groups, namely, swimming birds, wading birds, songbirds, land birds, raptors and climbing birds.

It includes 27 small orders, namely, Coleoptera, Peliformes, Storks, Red Storks, Goose orders, Falconiformes, Chicken orders, Musk pheasants, Cranes, Cranes, Sanders, Pigeon orders, Parrot orders, Criceriformes, Nighthawks, Rainbow orders, Rat Birds, Azalea, Buddhist monks, Dai Sheng orders, rhinoceroses, Coleoptera, Pisces. Common species are geese, ducks, swans, eagles, falcons, eagles, chickens, quails, peacocks, red-crowned cranes, white cranes, parrots, cuckoos, swiftlets, Swift and so on.