#946 How high can birds fly?
How high can birds fly? A Ruppell’s vulture was hit by a plane at 11,300 meters. The bird was identified by the feathers after the plane landed. There may be…
How high can birds fly? A Ruppell’s vulture was hit by a plane at 11,300 meters. The bird was identified by the feathers after the plane landed. There may be…
I learned this today. Animals can sleep standing up by locking a set of muscles and tendons in their legs, using gravity to lock a joint, or using a flexor…