书城外语课外英语-动物亮丽风景线(双语版)
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第62章 雏鸟怎样出生?

Birds hatch out of eggs.They break the shell and hop out.Baby songbirds and pelicans do not have any feathers when they are born.They cannot see at first.Their parents must feed them and keep them warm.Ducks and other baby birds are born covered with soft down.They can feed themselves soon after hatching.

Some kinds of young birds stay in the nest less than a day.Some baby birds stay around the nest for months.

How Long Do Birds Live?