All clams start out as males; some decide to become females at some point in their lives.
50
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Mosquitoes prefer children to adults, blondes to brunettes.
52