On the Wings of Night: Bats and Their Unique Adaptations (Photos of the Day)

Bats are an unusual and diverse group of mammals. Not only are they the only mammals to have evolved the capacity for true flight, but nearly all bats are nocturnal as well. Hence these mammalian night fliers possess a variety of unique anatomical and physiological traits, among the most remarkable of which are modified forelimbs that allow for precise control over flight maneuvers like diving and hovering and echolocation, in which the emission of sound is used to aid navigation and the location of prey in darkness.

Bats’ adaptations for nocturnal life seem pretty slick. But in the light of day, their quirkier characters become apparent. Foremost, when sleeping or resting, bats hang upside down, with their tiny toes clinging to the walls of caves or to the branches or trunks of trees. And up close, bats have the strangest assortment of facial features. Some look like a little fox, with a sharp canine-like appearance and tiny ears, whereas others look like rodents and have giant ears.

In the following selection of images, Britannica takes a closer look at these unusual nocturnal creatures.

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