Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492