The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
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
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Two dogs were among the Titanic survivors.
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