Gorillas can catch human colds and other illnesses.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7