joey clarke is from the australian wildlife conservancy. his organisation isn't surprised by the findings. small mammals are a group that has suffered disproportionately. so things that you might not have heard of, bandit kids, they'll be us, it really unique animals which are only found in australia, they have suffered the worst extinctions command that's basically because they are the right size to be eaten by a fox or cat. what we see is the priority in the first instance is to create spaces that are safe, where we can rebuild populations of some of those native species. we have launched the largest three wilding effort in australia, building a network of fenced safe havens that are secured from the sterile predators will step beyond that, we need to look at managing habitat. so removing those large feral herbivores where we can at a large scale and also getting management