In 1958, a five-year-old female rhinoceros named Cacareco won Sao Paulo’s council elections.

A bite from the banana spider results in hours-long erections.

Almost a thousand horses died in the Lake Ladoga when the water suddenly froze.

There is a shellfish which does not only parasite a fish but literally replace its tongue. This is the only known case of complete replacement of an organ.

Hippopotamuses are genetically closer to whales than to pigs.

A swift can fly 2 or even 3 years without landing, which makes it the world champion of nonstop flight…

An adult octopus can easily swim through a hole the size of the space between its eyes.

Usually, koalas don’t ever drink water during their whole life.

Actually they are lagomorphs, another order of mammals.

The male Bonellia viridis, or Green Spoonworm, is so small that he lives inside the female!

In Spain, apes have been granted rights similar to humans since June 2008.

Bats engage in fellatio during pairing.

Purring releases endorphins that help cats to ease the pain and reassure themselves.

The erect gorilla penis is less than 2 inches long.

This French expression has nothing to do with the Beaufort required to make our dear cattle’s horns fly away.

Only females bite!

Octopuses have three hearts and their blood is blue.

Cockroaches are coprophage.

Lions can mate up to 50 times a day.

A cockroach can live up to several weeks headless before it dies of starvation.