When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The head of a jellyfish is called the "Bell."
6