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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
The Basenji dog is the only dog that is not able to bark.
4
Rattlesnake mating sessions have been known to last more than 22 hours.
232