Cows can sleep standing up, but they can only dream lying down.
745
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Squirrels forget where they hide about half of their nuts.
698
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Female kangaroos have three vaginas.
2