In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
When cats are happy, they may squeeze their eyes shut.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The reindeer is the only mammal that can see UV light.
17
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250