Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
All species of beetles are edible.
21
Domestic pigs average a top speed of about 11 miles per hour.
182
A moth has no stomach.
23
Dogs sometimes fake being sick to get attention.
26
The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they could be confused at a crime scene.
73
The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon.
65