Past news has taught us that some endangered species can be brought back to a healthy population level by the efforts of at least one or two particularly horny individuals. But some, like super uncool ...

Macaque monkeys in two separate Japanese prefectures have taken the primatology world by storm after they were spotted attempting to mate with Sika deer. The phenomenon, originally observed in a ...

Older male rhesus monkeys sire fewer offspring, even though they appear to be mating as much as younger monkeys with similarly high social status. Sperm quality or quantity, or the survival of infants ...