Evolutionary biologist Nathan H. Lents details how animal relationships can offer perspective on sexual diversity, social monogamy and gender identity—for humans.

From RTÉ Radio 1's Drivetime, how foxes are mating earlier due to climate change. Mammals have been found to become more nocturnal in response to human disturbance. This disturbance could be ...

10 amorous animals that mate for life. ... "They are not 100 percent faithful, which might even make them a better model for human behavior," Kenkel said. Throughout the animal kingdom, ...