The largest earthworm on record was found in South Africa and measured 22 feet.
151
The Basenji dog is the only dog that is not able to bark.
4
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
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.
21
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Cats and dogs can hear ultrasound.
350
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