During hibernation, an animal appears to be dead; its heart rate, body temperature and movements slow down. The jumping mouse, little brown bat, the eastern chipmunk, some species of ground squirrels, ...

During hibernation, an animal appears to be dead and its heart rate and body temperature and movements slow down. The jumping ...

Scientists from the University of Aberdeen have attached tiny "backpack" type trackers to hummingbirds in the Andes in a bid ...

But high-speed cameras show us what makes these birds perfect flying machines. A captive Anna’s hummingbird feeds while hovering before an optical illusion in a reenactment of an experiment that ...