hibernation– tag –

Cover photograph: “Fkeysmacro.jpg” by Chris Hind, licensed under CC BY 3.0. A motionless animal might be asleep. It might also be awake, waiting for prey or resting quietly. To tell the difference, researchers look beyond stillness: how ...

In the cool, rain-soaked forests of southern Chile and Argentina lives a tiny marsupial with rounded ears, dark rings around its eyes and a long tail that helps it move through branches. It is called the monito del monte—roughly, “little...