What are the wingless birds?

"Wingless bird" usually refers to a non-existent mysterious creature in some literary works, artistic works or legends. It is described as a bird without wings and unable to fly. In the real world, no specific bird is completely wingless.

However, there are some birds in nature. Although they are not completely wingless, their wings are extremely degraded and cannot be used for flight. These birds are also known as "wingless birds", here are some examples:

1. Ostrich: This is one of the most famous wingless birds. It is about 2-3 meters tall and weighs more than 100 kilograms. The wings of ostriches are very small, only a few centimeters long, and cannot be used for flight.

2. Penguin: Penguin is a type of bird that lives in Antarctica and surrounding seas. It has a bulky body and its wings have degenerated into powerful webbed limbs, which are mainly used for swimming.

3. Guinea Chicken: The Guinea Chicken is a unique bird with a huge body and gorgeous feathers, but its wings are very small and cannot be used for flight.

4. Ostriches: In addition to real ostriches, there are also some ostrich-like birds, such as moas, which also have very small wings that cannot be used for flight.

It should be noted that although the wings of these birds are significantly degraded, they can still run or swim on their legs to escape predators and find food.

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