All clams start out as males; some decide to become females at some point in their lives.
50
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
In just about every species of mammal, the female lives longer than the male.
43
An albatross can sleep while it flies!
36
Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32