The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2