Reproductive in birds
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Unlike mammals, most male birds don't have penises. ... Instead, both male and female birds have what's known as a cloaca. The cloaca is an internal chamber that ends in an opening, and through this opening, a bird's sex organs — testes or ovaries — discharge sperm or eggs.
Reproductive in birds
Female birds lay eggs in their nests. They build their nest by using different materials such as threads, twigs, pieces of old cloth, grass and leaves. One of the parent birds it's on the eggs for some days to keep them warm. This process is called incubation.
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The embryo goes through various stages and when the check is fully developed it breaks the egg shell and comes out of the egg. This process is called hatching. The parent birds feed their babies till they are strong enough to look after themselves.
