The cicada, a fly found in Africa, spends 17 years of its life sleeping; and only two weeks is awake during which mates and then dies.
33
All clams start out as males; some decide to become females at some point in their lives.
50
Some species of fish have voices!
81
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
A lion's roar can be heard from more than five miles away.
40
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The average 1 1/4 lb. lobster is 7 to 9 years old.
13