Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492