Biological anthropologists and evolutionary psychologists commonly take it for granted that human monogamy has a biological basis. Desmond Morris was an influential early advocate. His 1967 ...

To survive, animals compete for resources, be it food, mating partners or territory. But a ground breaking recent study shows chimpanzees and gorillas form friendships, some lasting at least 20 years.

However, this can be explained by gorillas' mating system, said Jacob Bowman, lead author of the new study and a postdoctoral researcher at the University at Buffalo. You may like ...

Bonobos have a reputation of being the hippies of the ape world, due to their propensity to “make love, not war.” But a new study reveals that bonobos, found only in the Democratic Republic of ...

No ‘Hippie Ape’: Bonobos Are Often Aggressive, Study Finds. ... Male chimpanzees also attack females to coerce them into mating, and sometimes even kill infants. Among bonobos, in contrast, ...

A small-bird species, the Japanese tit (Parus minor), uses wing movements as a gesture to convey the message 'after you,' according to new research. When a mating pair arrives at their nest box ...