They found that flying and diving animals beat their wings or fins at a frequency ... beetles, mosquitos, bats, and birds ranging in size from hummingbirds to swans. The researchers also compared ...

As twilight settles, the world’s most misunderstood mammals take to the skies. Bats, with their leathery wings and mysterious ...

Birds usually have a prominent breast keel where heavy muscles are attached; in bats, only one muscle is attached to the breastbone, the ribs are flattened, and there is some fusing of the vertebral ...

In the past decade, some bat species have been added to the ranks of “singing” animals, with complex, mostly ultrasonic vocalizations that, when slowed down, rival the tunes of some songbirds. Like ...

These robots are “not quite as complex” as real animals and can’t move their wings in as many ways ... In this research, he is using both live birds and robots — like in his work with bats — to focus ...

Insects, interestingly, have evolved a very different approach to flying than that of birds and bats, whose wings evolved from arms. They have no muscles or nerves in their wings; instead some ...