Tiny, but feisty, chihuahuas are super energetic. Known as "purse dogs," they're between five and eight inches tall and weigh ...

Aptly called the "King of Terriers," the first terrier on the list is also the largest: the Airedale Terrier. These ...

Bleps also happen when a cat is deeply relaxed, especially during sleep. Their jaws may slacken, letting their tongue slip ...