There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The octopus does not have a blind spot.
273
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
Two dogs were among the Titanic survivors.
262