Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Dogs have been man's pet for over 14,000 years.
224
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19