Airplane wings are modeled after bird wings. The bones and muscles of the wing are also highly specialized. The main bone, the humerus, which is similar to the upper arm of a mammal, is hollow ...
The end of a terror bird’s left tibiotarsus, a lower leg bone in birds equivalent to that of a human tibia or shin bone, dates back to the Miocene epoch around 12 ...
The bird bones have been located at a birdwatching site in the Huleh Valley, BBC reported. Experts noted that seven wing bones uncovered from the place had holes bored into them. Their shapes made ...