Cows can sleep standing up, but they can only dream lying down.
745
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
When dragonflies mate, their tails form a love heart.
22
Nicole Kidman is scared of butterflies.
65
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23