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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Domestic pigs average a top speed of about 11 miles per hour.
182
A cow produces around 200,000 glasses of milk in her lifetime.
373
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11