Popular dolphins have better calves

Female dolphins who have successful relatives and “friends” are much better at producing calves, according to researchers at UNSW.

The effect, in addition to genetic factors, appears to be more pronounced than would have been expected.

This is the first discovery of interacting genetic and social effects on reproduction in the wild, and may help scientists understand whether our own behaviour and reproduction are driven by the same factors as other species.

Read more at UNSW