The mountain pygmy possum, a tiny nocturnal marsupial, was once known only from Ice Age fossils. Today, we know where its 2,000 remaining individuals are holding on. In 1895, deep within the limestone ...

The Australian mountain pygmy possum is rare in its current habitat, but its ancestors lived elsewhere. Could moving some possums save them all? In spring, keepers at a zoo in Australia warm up ...

Trevor Evans peers into a wooden nest box. “Ah, somebody’s awake,” he says with satisfaction as he pulls out a tiny, wriggly scrap of fur with a long tail – a thumb-sized mountain pygmy-possum ...