Size differences didn't cause any issues when the world's tallest and smallest dogs met up for a playdate last month.

Finnegan, a West Highland Terrier, recently met his sweet daughter for the first time and, though Mom didn't know how the two ...

A Great Dane and a Chihuahua, Guinness World Records holders for tallest and shortest dog, became friends during a recent get ...

Mexican gray wolf conservation remains a concern in Arizona, but in some of the same areas, prairie dogs create new issues.