Spiders have transparent blood.
56
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Honey bees fly at 15 miles per hour.
145
The penguin is the only bird that can swim, but cannot fly.
1