Blue and fin whales can create the loudest sound by animals ever recorded. See more

During warm weather hippopotamus's secrete sweat that is pink. This substance not only cools them down but also helps fight infections of the skin. See more

A crocodile cannot stick its tongue out. See more

Butterflies taste with their feet. See more

A cat's urine glows under a black light. See more

Hyenas can comsume prey carrying anthrax without contracting the disease itself. See more

It has been calculated that a single breath from a mature blue whale can inflate up to 2000 balloons. See more

A chameleon's tongue is twice the length of its body. See more

Goldfish have the memory span of about 3-5 seconds. See more