Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Only 3% of bird species have penises.
0
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12