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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
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