Condoms were originally made of animal intestines or linen.
347
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Moths are unable to fly during an earthquake.
328
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16