Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Cats and dogs can hear ultrasound.
350
A dork is a whale's penis.
327
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Bats sleep 18-20 hours per day.
5