In relation to their body size, cats have the largest eyes of any mammal.
Americans love dogs! 44% of U.S. households have a dog, which equates to 55.3 million homes
A tomcat (male cat) can begin mating when he is between 7 and 10 months old.
The Maine Coon cat is America's only natural breed of domestic feline. It is 4 to 5 times larger than the Singapura, the smallest breed of cat.
A healthy cat has a temperature between 38 and 39 degrees Celcius.
Dogs can see in color, though they most likely see colors similar to a color-blind human. They can see better when the light is low.
Bloodhound dogs have a keen sense of smell and have been used since the Middle Ages to track criminals.
A 2007 Gallup poll revealed that both men and women were equally likely to own a cat.
Dogs can discriminate the emotional expressions of human faces.
Ginger tabby cats can have freckles around their mouths and on their eyelids!
A sexually-active feral tom-cat \owns\" an area of about three square miles and \""sprays\"" to mark his territory with strong smelling urine."""
In Japan, cats are thought to have the power to turn into super spirits when they die. This may be because according to the Buddhist religion, the body of the cat is the temporary resting place of very spiritual people.i
The oldest dog on record was an Australian cattle dog named Bluey who lived 29 years and 5 months. In human years, that is more than 160 years old.
An adult lion's roar can be heard up to five miles (eight kilometers) away.
Dogs have three eyelids. The third lid, called a nictitating membrane or "haw," keeps the eye lubricated and protected.