The elephant brain weighs about 6,000g.
274
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
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
The cat brain weighs about 30g.
167