for the birds and they can mistake them for stars. This means they don't know which way to go, and can have sad results. Some birds die because they get too tired to fly, and some fly into the buildings ……

A flying peacock孔雀也是会飞的哦！PEACOCKS (孔雀) in zoos usually just walk around. But these birds can actually fly! They don’t fly fast. They can fly at a speed (速度) of 16km per hour. 21ST ……

in the trees in many countries. You may see them during summer.The birds don’t build nests (鸟巢). They don...’ enemies (敌人). When other birds hear the sound, they become scared and fly away. The cuckoos then go ……

信不信由你
Can birds fly backwards (向后)? Only hummingbirds (蜂鸟) can. ……

Can birds fly backwards? Only hummingbirds (蜂鸟) can. ……

信不信由你
Bats (蝙蝠) can fly. Are they birds? No, they are mammals (哺乳动物). ……

Hummingbirds (蜂鸟) are the only birds in the world that can fly backward. ……

back during the warm spring months.Many birds don't like the cold. They need food, but plants die... for them to eat.But the trip is often hard and not safe. Many birds fly in groups and make noises.Cranes(鹤 ……

birds migrate. Some who don't need to worry about food live in the same place all year around... every spring"? Have you ever wondered where all the swallows go during winter? They fly south ……

yellow. It is the yellow-breasted bunting (黄胸鹀).   Every year, these birds fly from..., these birds fly from Siberia (西伯利亚) to southern China. They spend the winter there. They fly over 4,000 km ……

often thought: ‘Why don’t they just fly?’”Now, it seems, there is an answer to this question. By looking at other kinds of birds, scientists like Speakman are beginning to find out why penguins can’t fly ……

;s such a big problem, why don’t we ever hear about it? CGTN said dead birds are quickly swept up...;Before humans created glass buildings, birds had freedom to fly safely. Given that humans ……

Can you help the baby birds out of thenest(鸟巢) so they can fly? ……

Q: Why do birds fly south (向南方) for the winter?A: Because it's too far to walk! ……

. It is the yellow-breasted bunting (黄胸鹀).   Every year, these birds fly from Siberia (西伯.... It’s illegal (非法的) to do this. But some people still do it.Every year, these birds fly from Siberia ……