Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Dogs sometimes fake being sick to get attention.
26
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
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
The largest earthworm on record was found in South Africa and measured 22 feet.
151