Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A lion in the wild usually makes no more than twenty kills a year.
186