Cats recognise the voice of their owner, but never evolved to care.
22
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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
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
Cows can sleep standing up, but they can only dream lying down.
745
The seahorse is the only fish to have a neck.
12
The male seahorse carries babies and 'gives birth' to them instead of the female.
7