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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
When dragonflies mate, their tails form a love heart.
22
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11