Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Bats sleep 18-20 hours per day.
5
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Condoms were originally made of animal intestines or linen.
347