Penny comes out of hiding to run after the mouse, barking and growling at the little rodent. Just when the dogs think the mouse pranks are over, a giant two-headed rat barrels into the room, eyes ...

Whether it's hunting invasive pests or rolling in a river like an otter, there's a lot to love about the rakali (Hydromys chrysogaster). The nation's biggest rodent is perhaps its most resourceful ...