Squirrels forget where they hide about half of their nuts.
698
The elephant brain weighs about 6,000g.
274
Two dogs were among the Titanic survivors.
262
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A puppy is born blind, deaf, and toothless.
16