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

A Russian dog named Laika was the first animal in space, traveling

Animal Facts

The largest breed of dog is the Irish Wolfhound. The world’s smallest

Animal Facts

The Chihuahua was named for the state in northwestern Mexico where they

Animal Facts

Cats seek out boxes and enclosed spaces that offer cover for their

Animal Facts

Today, cats are living twice as long as they did just 50 years ago

Animal Facts

Cats can be toilet-trained