It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Condoms were originally made of animal intestines or linen.
347
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Squirrels forget where they hide about half of their nuts.
698
Female kangaroos have three vaginas.
2
Early American humans hunted car-size armadillos and used their shells for houses.
12