Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
When cats are happy, they may squeeze their eyes shut.
10
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34