Najin spends a lot of time by herself these days because her rebellious daughter prefers to hang out with her best friend.

She was one of the first white rhinos at the Knoxville zoo, where she had lived since 1976. The southern white rhino raised 10 calves throughout her life and could be fiercely protective of them ...

KNOXVILLE, Tenn. (AP) — The oldest rhinoceros in the United States has died at a Tennessee zoo. Dolly was 56 years old. In a social media post Thursday, Zoo Knoxville said Dolly was euthanized ...