Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Mosquitoes don't just bite you, they also pee on you.
11
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255