Add Yahoo as a preferred source to see more of our stories on Google. Fiona the Hippo is mating with her mother’s partner, Tucker, and the Cincinnati Zoo said that it’s not weird at all. Cincinnati ...

SACRAMENTO (AP) — A Sumatran female tiger was killed at the Sacramento Zoo by her mating partner Wednesday after the two felines were put in the same enclosure for breeding, zoo officials said. The ...

A Dutch zoo's attempt to breed a rare, endangered crocodile went terribly wrong when the female half of the horizontal tango died in the act, the zoo revealed yesterday. While mating, the male false ...