Cows can sleep standing up, but they can only dream lying down.
745
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Basenji dog is the only dog that is not able to bark.
4
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
In Australia, there are spiders big enough to eat snakes.
20