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Because chickens are too fat and heavy, and their wings are small. Unable to provide sufficient lift.
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Because the chicken legs run faster than other birds, the wings degenerate.
You don't find that chicken thighs are more than chicken wing meat.
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It will be in a few hundred years.
Wait for him to evolve slowly.
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1. The ancestors of this domestic chicken were wild, at that time, they could also fly, since humans raised them as poultry, after training, the wings of chickens degenerated.
2. At the same time, I slowly got used to the living environment on the ground, and over time, the wing musculature retreated, and the body became heavier and heavier. This has been passed down from generation to generation, so chickens nowadays hardly fly.
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1. Because since humans raised them as poultry, the wings of chickens have degenerated after training. At the same time, I slowly got used to the living environment on the ground, and over time, the wing muscle tissue deteriorated, and the body became heavier and heavier. This has been passed down from generation to generation, so chickens nowadays hardly fly.
2. Chickens are the most common poultry raised by humans. Domestic chickens are derived from wild raw chickens, which have been domesticated for at least about 4,000 years, but it was not until around 1800 that chicken and eggs became mass-produced commodities. The types of chickens are turkey, black chicken, pheasant, etc.
And the rooster is also one of the 12 zodiac signs.
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Field chickens have no wings.
The field chicken is also called the tiger striped frog, the water pheasant, its size grows burly and strong, it is called the frog of Asia, it looks slightly like the tiger skin, so it is named, the toe end is pointed and round, the toes are fully webbed, the forelimbs are stout, the finger pads are developed, it is gray, the male frog has a pair of external vocal sacs, and it has been listed as a national second-class key protected animal.
Females are larger than males, can be more than 12 centimeters long, weigh 25 to 500 grams, ** rougher, head and body sides, dark irregular markings, yellow-green and slightly brown on the back, more than a dozen rows of longitudinally arranged skin ridges, interspersed between the skin ridges small wart grains ventral surface white, there are also irregular markings, pharynx and chest, and gray-brown spots, transverse spots on the front and rear limbs, due to these markings.
The living habits of field chickens:
Tiger frog often lives in rice fields, ditches, ponds, reservoirs, swamps and other places with water below 900 meters above sea level, its habitat changes with foraging, breeding, wintering and other different life periods, the breeding season is mainly in paddy fields and other still water, shallow water activities, when the young frogs, mostly live in the ridges made of stones, stone crevices and other caves.
With only its head sticking out of the hole, it quickly preys on food and hides in the burrow if it encounters predators, and is most active in the hours after dusk, especially in the evening, when it is extremely excited.
Because since humans raised them as poultry, the wings of chickens have degraded after training. At the same time, I slowly got used to the living environment on the ground, and over time, the wing muscle tissue deteriorated, and the body became heavier and heavier. This has been passed down from generation to generation, so chickens nowadays hardly fly. >>>More
Mainly because chickens, ducks and geese are all domesticated by humans, and their wings are very small and very short, so they can't drive their weight, so they can't fly.
Ducks and chickens are through the process of evolution of animal species, the ancestors of ducks themselves have a relationship with water, ducks belong to the order Bird's Gooseformes, ducks belong to the duck family, ducks are domesticated from wild ducks, ducks are born to swim, ducklings can swim when they break out of their shells, and this is true by nature. Chickens belong to the pheasant family, which is also trained, and if you distinguish the ancestors of chickens and ducks, ducks belong to waterfowl and chickens belong to terrestrial birds. This nature determines that ducks are good at swimming, and chickens are not good at swimming. >>>More
The answer is simple, because a bird has wings, and it can fly. >>>More
Your question is actually asking about the flight principle of the airplane, and I will tell you the flight principle of the airplane, and you will be able to answer your question! >>>More