Half of Tasmania's eastern quolls – Australia's last population – have disappeared in the past 10 years.
Climate change has an impact on small mammals and some battle to survive. But some others have developed intriguing coping mechanisms to survive.
An old technique to explore the inside of fossils unfortunately ended up destroying some unique specimens. New technology has been used to reconstruct one such fossil.
Modern sabre-tooth mammals have their canines constantly on display. This allows them to seduce mates. But was sexual selection also an important phenomenon among our pre-mammalian ancestors?
The Grampians, like much of Australia, has swung from Millennium Drought to Big Wet and back again, putting animal populations on a rollercoaster that could get worse as climate change bites.
African lions were initially thought to belong to a single subspecies but new research shows that there is more diversity on the African continent.
Sloths have been moving slowly for 64m years.
Islands are very special when it comes to quirks of evolution.
Australia’s conservation laws presume that we can preserve everything in its natural state. But in a changing world, we'll have to be more flexible than that.
Pandas are bears – but two million years ago they stopped eating meat. Their digestive systems have not yet adapted, though. Do upset stomachs make panda pregnancy more difficult?
A tiny pit on mammal-like animals’ snouts has revealed a great deal about how mammalian hair originated.
New research reveals that mammals didn't wait for the dinosaurs to die out before starting their rapid spread.
Flying-foxes can cause conflict - just ask the people of Batemans Bay, NSW. But plans to disperse them won't necessarily work without understanding these highly mobile animals' behaviour.
Rats have lived with us for thousands of years.
Accurately counting cheetah numbers is crucial to ensuring the survival of the species.
Embryos greedily want more resources than their fair share. New research investigates how early in evolution their hormonal tactics arose.
We'll have to get our priorities in order to protect Australia's wildlife.
Grunting, growling, hissing, screeching: if your home is making these noises, you probably have possums.
Most wildlife plays a key role in any ecosystem. So when one becomes extinct, it can impact their habitat. And we're now finding we may have lost more species in Australia than first thought.
It didn't turn out well for the whale who went to Westminster, but others have made a happy home in British waters.