The largest earthworm on record was found in South Africa and measured 22 feet.
151
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Sharks, like other fish, have their reproductive organs in their chests.
248
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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