Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Only male fireflies can fly.
46
Hummingbirds can't walk.
32
A lion in the wild usually makes no more than twenty kills a year.
186
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Whales and dolphins can't taste anything other than salt.
11
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23