A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
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
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A lion in the wild usually makes no more than twenty kills a year.
186
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8