Dogs are not completely colorblind, but they do only see certain colors. While humans have three receptors in their eye's retina, dogs only have two and have difficulty distinguishing among green, yellow, orange
How many American households have a dog?
According to the U.S. Pet Ownership and Demographics Sourcebook, about 36 percent of U.S. households included a dog in 2001.
Do dogs sweat?
Contrary to popular belief, dogs do not sweat by salivating. They sweat through the pads of their feet.
10 dogs you don't want to meet on the street at 2 a.m.
7. One Ton