When dragonflies mate, their tails form a love heart.
22
A scorpion can hold its breath for up to 6 days.
19
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The largest breed of rabbit is the Flemish Giant.
65
When cats are happy, they may squeeze their eyes shut.
10