A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Gorillas can catch human colds and other illnesses.
205
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Mosquitoes don't just bite you, they also pee on you.
11