Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Condoms were originally made of animal intestines or linen.
347
A domestic cat can sprint at about 31 miles per hour.
274
Whales and dolphins can't taste anything other than salt.
11
In Australia, there are spiders big enough to eat snakes.
20
Domestic pigs average a top speed of about 11 miles per hour.
182
Squirrels forget where they hide about half of their nuts.
698