By considering the environmental (and population) fluctuations that influence wildlife, we can arrive at more sustainable limits to wildlife deaths caused by human activities.
A UNSW-led team of researchers studying dolphins that use sponges as tools has shown that social behaviour can shape the genetic makeup of an animal population in the wild.
![20 Dolphinsponge2[1] 1](https://newsroom.unsw.edu.au/sites/default/files/styles/teaser_thumbnail/public/thumbnails/image/20_Dolphinsponge2%5B1%5D_1_4_1.jpg?itok=N7gbHmc5 "20 Dolphinsponge2[1] 1")