Cats and dogs can hear ultrasound.
350
A group of pugs is called a grumble.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6