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Common birds are: sparrows, turtle doves, pigeons, magpies, swallows, crows, orioles, quails, pulsatillas, cuckoos, thrushes, and many more.
There are now 1,400 species of birds in 111 families, accounting for 13% of the total number of birds in the world. China has more bird species than India, more than the whole of Europe and the whole of North America, and is one of the countries with the largest number of bird species in the world.
Birds, also known as birds. Definition: An oviparous vertebrate with feathered body surface, the main characteristics of birds are: streamlined body (spindle or fusiform), most of which live in flight.
The body surface is covered with feathers, and the forelimbs generally become wings (some species have vestigial wings); well-developed pectoral muscles; The rectum is short, the amount of food is large and the digestion is fast, that is, the digestive system is developed, which helps to lose weight and is conducive to flying; The heart has two atria and two ventricles, and the number of beats is rapid.
Constant body temperature. In addition to the lungs, the respiratory organs also have multiple air sacs to assist breathing, so that birds can breathe oxygen through the lungs during both inhalation and exhalation, that is, double breathing.
Habits. Birds eat a variety of foods, including nectar, seeds, insects, fish, carrion, or other birds. Most birds are active during the day, but some birds (such as owls) are active at night or at dusk.
Many birds make long migrations in search of the best habitat (e.g. Arctic terns), while others spend most of their time at sea (e.g. albatrosses).
Most birds can fly, and a few flat-chested birds can't, especially those that live on islands, have basically lost the ability to fly. Flightless birds include penguins, ostriches, kiwis (a wingless bird native to New Zealand), and the extinct dodo.
When humans or other mammals invade their habitats, these flightless birds are more vulnerable to extinction, such as the great puffin, the New Zealand moa, etc.
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1. There are about 1,186 species of birds found in China, and they are still climbing in the future.
2. At present, there are more than 9,000 species of birds known in the world, and there are 26 orders and 81 families in China, accounting for 14 of the world's bird species, and more than 1,300 species have been recorded, including many endemic bird species in China.
3. Birds in China are widely distributed in forests, grasslands, farmlands, settlements and various waters.
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There are about 1,186 birds found in China, and they are constantly climbing.
There are about 9,000 species of birds known to humans in the world. Birds of our country are widely distributed in forests, farmlands, grasslands, habitat spots, and various bodies of water. There are many species and ecologically diverse birds, which can be divided into flat-chested orders, including birds that are good at walking and cannot fly, such as ostriches.
There is a penguin order, which is good at swimming and cannot fly, such as penguins. There is also a protruding chest, which is good at flying.
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China has 1,186 species in 81 families, accounting for 14 percent of the world's bird species, more than India and Australia, more than the whole of Europe and the whole of North America, and is the country with the most birds in the world.
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There are 1,445 species of birds in China, accounting for about one-sixth of the world's bird species, and it is one of the countries with the largest number of bird species in the world.
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According to the relationship between birds and modern humans, there are 9 groups of ecological birds, edible birds, hunting birds, service birds, medicinal birds, family birds, feather birds, ornamental birds and beneficial birds.
1.Ecological birds: Bird ecology is related to human ecology, and birds are called ecological birds.
2.Food birds: the economic potential of birds to domesticate poultry, and wild birds with the potential to domesticate poultry.
3.Hunting birds: Strictly speaking, all birds hunted by humans for meat, eggs, or feathers fall under the category of hunting.
However, sometimes people do not hunt their egg-laying birds in order to obtain their eggs, which should also fall under the category of hunting birds. China's stone pheasant, partridge, bamboo pheasant, golden rooster, wild goose, bean goose, ruddy shelduck, green-winged duck, hairy-legged sandgrouse, bead-necked turtle dove, bone top chicken, etc., are all famous hunting birds. For hunting birds, it is necessary to implement the policy of "protecting, raising and hunting at the same time".
That is, rational hunting, actively carry out the domestication and semi-domestication of wild birds, and protect the female and young birds during the breeding period.
4. Service Birds: Ostriches are the largest birds in the world. The largest ostrich transport station in Mauritania has hundreds of ostriches.
The ostrich has a small three-colored flag tied around its neck for short-distance packers, and a colorful back cushion is laid on its back. The ostrich has a small black flag tied around its neck for short-distance transportation, and a rattan basket is attached to its back, which can hold a lot of goods. Long-distance transportation ostriches, can transport goods, can also carry people, can walk 500 kilometers at a time l Those ostriches are dressed in red and green, and there is a band that blows and blows, and the ostrich team dedicated to picking up and dropping off the bride is naturally more beautiful
Ostriches are even more skilled in shepherding sheep than sheepdogs. A police officer on a farm in South Africa trained a tall rice (8 feet).Weighing 136 kilograms (300 pounds), the great ostrich always holds its neck high and watches everything warily.
Ostriches often run back and forth, driving the stray sheep back to the flock in time. If a wolf or a sheep thief comes, the ostrich can kick them and cut their ribs and cut their belly with their sharp claws. Shepherding sheep for 3 years, shepherding hundreds of sheep for the farm, and never lost a single sheep.
Ostriches can't fly, but they run extremely fast. Athletes rely on their superb riding skills to control the ostrich race, which often reaches speeds of more than 50 kilometers per hour.
5.Medicinal birds (medical birds): Birds whose whole body, internal organs or their metabolites can be used as medicine to treat diseases.
6.Birds: Birds used in scientific research.
7.Feather birds: provide humans with down, decorative feathers, carving feathers and other raw materials. It is used to make various light industrial products, toys and arts and crafts, arrows and feathers are made from the tail feathers and feathers of large eagles, and pheasant tail feathers are used as decorations.
8.Ornamental birds: Birds that have ornamental value are called ornamental birds.
9.Beneficial birds: The vast majority of birds living in nature are natural enemies of agricultural and forestry pests (beasts), and some of them even feed almost exclusively on insects.
They guard forests, orchards, and fields all year round to hunt insects and eliminate pests for farmers. Birds of prey remove rotting flesh and filth and debris, play an important role in protecting agricultural and forestry production, and compete for the natural environment, and also play a great role in promoting the recovery of animal populations.
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