In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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
Mosquitoes don't just bite you, they also pee on you.
11
Ants have tiny magnetic compasses in their antennae which help them navigate.
9