Spiked dog collars were used to protect dogs' throats from wolf attacks in ancient Greece.

Spiked dog collars were used to protect dogs’ throats from wolf attacks

More from the Animal Facts niche...

Animal Facts

… And the Labrador Retriever is originally from Newfoundland

Animal Facts

A one year old dog is as mature, physically, as a 15-year old human

Animal Facts

There are approximately 100 cat breeds

Animal Facts

Animal Facts

In the 1750s, Europeans introduced cats into the Americas to control

Animal Facts

Cats step with both left legs, then both right legs when they walk or