A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — ...

Add Yahoo as a preferred source to see more of our stories on Google. Nature Ecology and Evolution same-sex behaviour research (Image: Pexels) A large new study, published in Nature Ecology and ...

Behaviour among non-human species could help keep groups together in face of social challenges, says study Same-sex sexual behaviour among non-human primates may arise as a way to reinforce bonds and ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators or live in more complex societies, ...

Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your ...

Cooperative behaviour and prosociality in nonhuman primates constitute a vital area of research that illuminates the evolutionary origins of complex sociality. Studies indicate that primates employ a ...

Adaptation and behavior in the primate fossil record / Callum F. Ross ... [et al.] -- Functional morphology and in vivo bone strain patterns in the craniofacial region of primates: beware of ...