Penguins have a gland above their eye that turns saltwater into freshwater.
12
The penguin is the only bird that can swim, but cannot fly.
1
On average, there's 300 billion neurons in the octopus brain.
129
7,000 new insect species are discovered every year.
30
All clams start out as males; some decide to become females at some point in their lives.
50
Parrot parents "name" their children with a signature call.
112
Roosters can't crow if they can't fully extend their necks.
28