Different species often form due to geographic barriers such as mountain ranges or rivers, which separate populations of the same species until they have become so different that they can no longer ...

Humans are far closer to meerkats and beavers for levels of exclusive mating than we are to most of our primate cousins, according to a new University of Cambridge study that includes a table ranking ...

Mating with different partners could become a way to lower that pressure. Just like the red deer, you could be polygynous, meaning you could mate with multiple partners to increase the chances of ...