A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The seahorse is the only fish to have a neck.
12
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
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
A puppy is born blind, deaf, and toothless.
16
Whales and dolphins can't taste anything other than salt.
11
A domestic cat can sprint at about 31 miles per hour.
274
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