Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The reindeer is the only mammal that can see UV light.
17
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A scorpion can hold its breath for up to 6 days.
19