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
The colossal squid has the largest eyes in the world.
4
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Squirrels forget where they hide about half of their nuts.
698
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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