This fact sheet attempts to dispel the fears and answer some of the questions most often asked of the National Museum of Natural History by presenting some general facts about the biology ... by the ...

A single bat can consume one third of its own bodyweight in insects every night. Vampire bats are the only mammals to feed entirely on blood and have tiny infra-red receptors in their nose leaf ...

Most mammals respond to the demands of exercise in the same way, by breaking down carbohydrates and stored lipids (fats) in their bodies, releasing the energy they need to keep functioning.