Here is the translation of the given content into English: "101 Most Interesting Animal Mysteries for Kids"

Author: Liu Chang
Publisher:
Publish Date: 2006-07-01
Features: The little scientist tells you that the Bird's Nest is not where birds sleep. Many people think the Bird's Nest is a home for birds and where they sleep, but this idea is just based on assumption and lacks any scientific evidence. When zoologists observe the living habits of birds, they find that many birds do not spend the night in their nests, even during storms. For example, wild ducks and swans often sleep at night with their necks bent, keeping their heads tucked between their wings, and floating their bodies on the water's surface; while long-legged birds like cranes, herons, and egrets prefer to sleep on the ground. Since birds don't sleep in their nests, why do they work so hard to build them? In fact, for most birds, the nest is a "delivery room" for raising offspring. Usually, the female bird lays eggs and incubates them in the nest, and after the chicks hatch, the nest becomes a place for raising young. As the chicks grow, they fill the nest to the brim, leaving no room for their parents to stand. When the chicks grow up and start living independently, the nest's important mission is completed, and it is eventually abandoned by the birds. In summary, out of the more than 9,000 species of birds on Earth, the nests of most species are only built to raise offspring and are not used as homes for sleeping. However, there are also a very few bird species that truly use their nests as homes.