One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Cows can sleep standing up, but they can only dream lying down.
745