Condoms were originally made of animal intestines or linen.
347
The Basenji dog is the only dog that is not able to bark.
4
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
A 42-foot sperm whale has about 7 tons of oil in it.
209
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12