Species can actually go extinct more than once. In a biological sense, species become extinct when the last animal of a species stops breathing. But they can also become extinct a second time, researchers say.
The signs of death are everywhere, if you look. For years, scientists have rung the alarm bell, warning that grave declines in animal biodiversity around the globe herald the onset of what will be Earth s sixth mass extinction.
scientists are warning that much of australia s native wildlife could disappear by 2050 due to differing factors. according to the national science agency indigenous animals and plants could be lost. 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, so things that you might not have heard of, bandicoots, really unique animals which are only found in australia, they have suffered the worst extinctions and 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 rewilding effort in australia,