Why do swans fly but geese can t?

1.This genetics are related. From a genetic point of view, the genes of swans are absolutely different from those of domestic geese.

2.The body shape of growth and development is also different. Swan wings are particularly large. Whereas, the wings of domestic geese are comparatively smaller.

3.And the way of growing is also different. Swans have been domesticated to fly since they were very young. And ** has been in captivity since childhood, and there is no training to fly.

So swans can fly and soar in the sky, while geese can't only lay eggs in captivity.

Domestic geese can fly. The ability of geese to fly may be an acquired ability. Domestic geese originated from wild geese, although the wild goose has been domesticated by humans for a long time, its ability to fly has deteriorated, and it has become a goose, but the flying gene still exists.

Under the right conditions, there is a good chance that this ability will recover. Again, the goose raised in the north is generally a seed goose, and the female goose is generally about two kilograms, and the body is relatively agile and suitable for flying, if it is a lion-headed goose in the south, the heaviest weight can reach 10 kilograms, and it is estimated that it is difficult to fly no matter how hard you try.

As a waterfowl, geese like water by nature, 1 3 times a day are in the water, accustomed to frolicking, foraging and courtship in the water, so the goose farm should be established in the environment of good water sources and wide waters, especially in flowing waters such as ditches, lakes and rivers.

Nutritional value: 1. Goose meat is flat in nature, sweet in taste, returns to the spleen and lung meridians, and has the functions of invigorating qi and replenishing deficiency, quenching thirst in the stomach, relieving cough and phlegm, and detoxifying lead. It can prevent chronic diseases, replenish deficiency and invigorate qi, and warm the stomach. For people who are often thirsty, fatigued, short of breath, and loss of appetite.

2. You can often drink goose soup and eat goose meat, which can not only supplement nutrition, but also control the development of the disease. Goose meat can prevent cough and chronic branch diseases, especially for colds and acute and chronic bronchitis. Nephritis, senile edema, emphysema, asthma and phlegm have good effects, and it is most suitable to take supplements in winter.

Domestic geese are domesticated by swans, and in the process of domestication, people choose to breed those with large size, more meat and poor flight ability. In short, the geese are too heavy to fly. But in fact, the geese can fly even if they flutter twice, but they don't have to be high or far.

Glad for your question.

After artificial domestication and selection, the domestic goose has enhanced cold resistance and increased resistance to roughage, but its wings have degraded and its flight ability has weakened, and it is impossible to fly long distances and migrate.

In China, they fly in large groups from the south to the north during the month of each year to lay eggs and breed in the northern border provinces of China. The female swans lay their eggs in May each year, and then the female hatches her eggs, and the male goose guards her side and does not leave for a moment. After October, they move south in groups.

Wintering in warmer climates in the south and recuperating. During the breeding season, it mainly inhabits open lakes, ponds, swamps, slow-flowing rivers and adjacent tundra lowlands and tundra swamps, and in winter it mainly inhabits large lakes, reservoirs, ponds and river bays with many reeds, cattails and other aquatic plants, but also in wet meadows and flooded plains, swamps, beaches and estuaries, and sometimes even in agricultural fields. More than 20 of them formed a small group, lined up in a line of "one" or "people", and sang while flying.

Every year it migrates south in mid-September, often in the north in June and August.

The swan is the champion of flying high, flying up to 9 kilometers, can fly over the world's highest mountain - Mount Everest, from the origin and evolution, the domestic goose is artificially domesticated by wild geese, China's domestic goose originated from the Hong goose, in addition to the Ili goose, the European goose and the Ili goose, most of which originated from the gray goose.

Swans are the tallest birds in the world, while domestic geese are the offspring of a domesticated species of geese that have lost their ability to fly high.

Genetic problems, genetic problems, habits developed from childhood.

Why do swans fly but geese can't? Because the geese have been domesticated and degenerated!

Because swans are birds, big birds are like big eagles.

This is how the degradation after long-term captivity ends.

It's all a goose, and you still want to fly

1. Domestic goose: (subject to Chinese geese) large waterfowl, body length of about 60 80cm, weight 4 15.

2. Hong Goose: It is a large waterfowl, with a body length of about 90 cm and a body weight.

Kilogram. 3. Swan: The whooper swan, also known as the white swan and the hoof, is a large migratory bird with a body length of about one meter and a weight of more than 6 kilograms.

I divide my weight (take the median) by the length (take the median) to get a parameter:

1, domestic goose: 2, Hong goose:

3. Swan: 6kg

Both the wild goose and the swan have parameters around 4, while the domestic goose is close to 14. The contrast is already very clear.

To sum up, without considering the airbag, it can be concluded that the wild goose was captured and domesticated by humans for thousands of years and then became a domestic goose, with obvious degeneration of wings and too heavy weight, which caused the domestic goose to lose the ability to fly long distances.

Yes.

Chickens, ducks and geese are in the process of breeding, domestication and selection, and gradually lose the ability to fly. The swan domesticated for a relatively short period of time, and it is not so bad that it loses its flying skills. However, the keeper has his own way, as long as he cuts off five or six flying feathers of the swan after moulting every year, he will not be able to fly in any case.

Moving in pairs or groups, the food is almost entirely plants, various aquatic plants and algae. It is highly nomadic, with irregular migration patterns, mainly depending on climatic conditions, and will form large groups of thousands when migrating.

Swan feeding precautions.

Polyculture swans should pay attention to whether there is a fighting phenomenon, and measures should be taken immediately when this situation is found; The nest should be prepared in time for swan breeding. During the breeding period, the proportion of protein feed should be increased.

Summer: Feed as much green feed as possible. Polyculture swans should pay attention to the hygiene of feed and utensils, as well as the cleanliness of the waters, and replace the drinking water in time.

Autumn and Winter: Although swans in northern China are not afraid of the cold, there are also some measures that should be taken to prevent frostbite on their toes in winter. If the water surface freezes, cover the ground with thick straw mats and add windproof warmth.

Can fly! But it needs a certain amount of running distance, flapping the wings when taking off, you need to tread water on the water surface with both feet to help fly, there are obstacles in this distance, or the distance is too short it can't fly, the swans raised in the park are set up in this distance, or the wings can not fly after removing a few feathers.

Swans can fly. Because swan refers to the genus cygnus (scientific name: cygnus) birds, a total of 7 species, genus of migratory birds, swan is a kind of winter migratory birds, like to live in groups in lakes and marshes, mainly feed on aquatic plants, in March and April every year, they fly from the south to the north in large flocks, laying eggs and breeding in the northern border provinces of China.

The female swans lay two or three eggs in May each year, and then the female goose incubates the eggs, and the male goose guards by her side and does not leave for a moment. As soon as October passes, they move south in groups. Wintering in warmer climates in the south and recuperating.

During the breeding period, it mainly inhabits open lakes and ponds

Swamps, slow-flowing rivers and adjacent tundra lowlands and tundra marshes, in winter inhabit large lakes, reservoirs, ponds and bays with reeds, cattails and other aquatic plants, but also in wet meadows and water.

Flooded plains, swamps, beaches, estuaries, and sometimes even farmland. More than 20 of them form small groups and line up in "one".

The word or "person" line line, while flying and singing. Every year it migrates south in mid-September, often in the north in June and August.

The swan is a flying swan, only a swan. There are seven species of birds: rats, free swans, which are Dong Dong, migratory birds. . Prefer to feed on lakes, marshes, and mainly aquatic plants. Every year in March, they come from large groups from the south. Fly north,

Swans can fly to an altitude of about 10,000 meters and can fly for a long time.

According to a previous report, a foreign civil aviation plane collided with a swan at high altitude, and the left wing of the aircraft was seriously deformed and damaged, almost causing the plane to crash!

The swan can fly, the swan can fly over Mount Everest, and when it flies, it must first run on the water, (because the body is too heavy) before it can fly high.

If the swans didn't fly, they would have been beaten long ago.

According to the story of the ugly duckling, swans can fly...

Swans can fly, but they are bulky and need to flap their wings while running to get enough lift.

When we go to the zoo, we can often see pairs of white swans swimming leisurely on the wide lake, and they will also show off their beautiful posture to attract tourists to stop and watch. Swans are good birds, so why do they settle down in zoos and don't fly far away?

Because the swans sent to the zoo are first plucked from the feathers, and the young birds have to have their phalanges or wrist joints cut off, so that the feathers have nowhere to live. Without feathers and weak flapping, the swans can make their home in the zoo.

can fly, I believe you know the story of the ugly duckling turning into a swan.

Swans can fly. Because the swan refers to the swan genus (scientific name: cygnus), there are 7 species of birds, the swan is a winter migratory bird, like to live in groups in lakes and swamps, mainly feed on aquatic plants.

Every year in March and April, they fly in large groups from the south to the north to lay eggs and breed in the northern border provinces of China. As soon as October passes, they move south in groups. Wintering in warmer climates in the south and recuperating. During the breeding period, it mainly inhabits open lakes and ponds

Morphological characteristics of swans

Swan feathers are all white, and both females and males are white, but females are smaller. The eyes are dark brown, the mouth is black, the upper part of the mouth is yellow, it extends to the nostrils, and forms a trumpet, the claws are all black, and in childhood, the whole body is grayish-brown.

The swan's beak is very sensitive to the touch, known as Hebber, the body weight can reach 10,000 kilograms, the length of the wings can reach 641 mm, the length of the tail can reach 210 mm, and the length of the feet can reach 120 mm.

<> geese can fly. Geese belong to the class of birds and are a type of bird. As birds, geese can fly, and their wings support them in flying.

Usually domestic geese lack the ability to fly, so their ability to fly is degraded. Although the ability to fly is not strong, the ability to swim is very strong. Their feathers and duck webs, the overall body shape is suitable for swimming in the water.

For this problem, although domestic geese also have wings, if they are forced to rush to flap their wings, flap their wings, and fly for several meters, it is impossible to travel the world like a swan. Because it has really been domesticated, it doesn't have to fly to get food, and it is a place to settle down, and there is no need to find a place to spend the winter. Therefore, the function of flying is degraded.

Goose is a herbivorous bird, the whole body is a treasure Feathers are rich and gorgeous clothing, foie gras is a delicacy of the high table, goose meat is nutritious, amino acids are complete, fat is monounsaturated fatty acids, the value is comparable to mutton, is a must-have for high-end restaurants.

As a common poultry, geese have special living habits, such as water-loving, alert, cold-tolerant, and regular life. Geese have strong disease resistance and low pollution, and are more and more loved by people as green food.

The physiological habits of the goose gosling are afraid of cold, and the adult goose is afraid of heat: the heat preservation ability of hatching hatched goslings is weak, and the normal body temperature of the goslings is lower than that of the adult goose 3, therefore, the chicks in the low temperature period are easy to "pile up" for heating, so they must do a good job of brooding and heat preservation.

With the increase of age, the body temperature is becoming more and more stable and the whole body is densely covered with feathers and no sweat glands, so adult geese are afraid of heat, should do a good job of preventing heatstroke and cooling work, and because the normal body temperature of geese is higher than that of pigs and cattle, so the disease between them is not easy to infect each other.

Geese are easily frightened and have poor ability to resist predators: sudden noises inside and outside the goose house or cats, rats, snakes and other things in the goose house are very easy to cause the "stress response" of the goose flock, thereby affecting the production performance of the goose, so it is necessary to maintain a quiet feeding environment.

Geese only moult at the age of day and no seasonal moulting: after the goose goes from long fluff to long fan feathers, there is only sporadic feathering before the start of production to symbolize the start of production, the goose no longer moults that year, and the goose has to moult after the new year. Goose should be forced to moult during natural moulting to shorten the rest period.

Can domestic geese fly? Write back.

Generally speaking, it does not fly. This actually reflects the evolutionary principle of "use in and waste out" in biology, that is, if a creature often uses a certain limb or organ, then this organ will become stronger and can better help it complete a certain life activity, and if it is often not used, then it will gradually degenerate, and it is difficult to help him complete a certain life activity. Domestic geese are exactly like this, the purpose of human breeding is not to let them fly, because if they fly like wild, they may fly away, so they can't be raised, so the geese need to be enclosed and fed, not to give them space to fly, then they can't fly normally, these poultry are passed down from generation to generation, so gradually they can't fly.

That's where artificial selection comes in, because we want poultry to produce meat, eggs, and ornamentation. So, that's why.