The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The largest breed of rabbit is the Flemish Giant.
65
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
A cow produces around 200,000 glasses of milk in her lifetime.
373
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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.
22
The oldest recorded elephant lived for 82 years.
213