Both species were severely impacted by the 2019/20 bushfires.
Scientists have recorded rare ant hotspots and Australia is well and truly on the map.
We explore how, where and when animals use underpasses, and if there are hidden dangers, like predators, lurking within.
Get great photography, travel tips and exclusive deals delivered to your inbox.
Includes astronomical images with informative captions, moon phases and almanac data for more than 250 phenomena visible in Australian skies.