Wet and bulky cattle dung is very unlike marsupial dung that Australian dung beetles are adapted to deal with, meaning native dung beetles tend to leave it alone. But help from abroad is at hand.
The main food for the mountain pygmy-possum’s spring/summer breeding season is the migratory bogong moth, but in 2017 and 2018 billions of bogong moths failed to arrive. Then the bushfires did.
Australia's snakes, spiders and other venomous critters tend to strike fear in many people. But is Australia's reputation as a nation of deadly creatures deserved?
When is a galah not a galah? That depends on which scientific name is attached to the Australian bird. There's been some confusion over this, which DNA testing has finally solved.
At least 100,000 insects are among the many Australian species still to be formally identified. That's a problem for any biosecurity experts who need to be able to spot potentially invasive bugs.