Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Mosquitoes prefer children to adults, blondes to brunettes.
52
An ostrich's eye is bigger than its brain.
32
The lifespan of mammals is about 1 and a half billion heartbeats.
127
Goldfish remember better in cold water than warm water.
29
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
22
The abdomen of the ant contains two stomachs. One stomach holds the food for itself and second stomach is for food to be shared with other ants.
113