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 can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Lobsters have blue blood.
476
Cats recognise the voice of their owner, but never evolved to care.
22
A giraffe's kick is so powerful that it can decapitate a lion.
216