Question

Why do not birds fall down while sleeping on a tree branch??​

Answer 1

Perching bird can stay in place when they fall asleep on a tree or even a wire. They're able to keep their grip because perching birds have thin tendons called flexor tendons that extend from the leg muscles down the back of the tarsus bone and attach to the toes.

When a bird lands on a perch, these flexor tendons tighten, causing the toes to lock around the perch. It's an involuntary reflex. The tendons stay tight until the legs straighten.

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Answer 2

Hello ✌

Bird can stay in place when they fall asleep on a tree or even a wire. They are able to keep thier grip bcoz birds have thin tendons called flexor tendons that extended from the leg muscles down the back of the tarsals bone and attach to the toes

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