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Bats (Martindale’s Reference Desk)

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bat : any of a widely distributed order (Chiroptera) of nocturnal usually frugivorous or insectivorous flying mammals that have wings formed from four elongated digits of the forelimb covered by a cutaneous membrane and that have adequate visual capabilities but often rely on echolocation — Webster

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Bats are mammals of the order Chiroptera; with their forelimbs adapted as wings, they are the only mammals naturally capable of true and sustained flight. Bats are more manoeuvrable than birds, flying with their very long spread-out digits covered with a thin membrane or patagium. The smallest bat, and arguably the smallest extant mammal, is Kitti’s hog-nosed bat, which is 29–34 mm (1.14–1.34 in) in length, 15 cm (5.91 in) across the wings and 2–2.6 g (0.07–0.09 oz) in mass. The largest bats are the flying foxes and the giant golden-crowned flying fox, Acerodon jubatus, which can weigh 1.6 kg (4 lb) and have a wingspan of 1.7 m (5 ft 7 in).

The second largest order of mammals, bats comprise about 20% of all classified mammal species worldwide, with over 1,200 species. These were traditionally divided into two suborders: the largely fruit-eating megabats, and the echolocating microbats. But more recent evidence has supported dividing the order into Yinpterochiroptera and Yangochiroptera, with megabats as members of the former along with several species of microbats. Many bats are insectivores, and most of the rest are frugivores (fruit-eaters). A few species feed on animals other than insects; for example, the vampire bats feed on blood. Most bats are nocturnal, and many roost in caves or other refuges. Bats are present throughout the world, with the exception of extremely cold regions. They are important in their ecosystems for pollinating flowers and dispersing seeds; many tropical plants depend entirely on bats for these services. — Wikipedia

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Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

Newly-hatched pterosaurs may have been able to fly
on July 22, 2021 at 3:00 pm
Newly-hatched pterosaurs may have been able to fly but their flying abilities may have been different from adult pterosaurs, according to a new study.
Young forests are preferred summer vacation...
on July 20, 2021 at 2:07 pm
The sight of felled trees and logging activity can be jarring for nature lovers, but from those sites can sprout young forest growth that's especially attractive to a familiar inhabitant of wooded areas throughout the Northeast—bats.
Bats in Tel Aviv enjoy a rich variety of food
on July 19, 2021 at 3:21 pm
A new Tel Aviv University study found that, like humans, bats living in Tel Aviv enjoy the wide variety and abundance of food that the city has to offer, in contrast to rural bats living in Beit Guvrin, who are content eating only one type of food. The study was led by research student Katya Egert-Berg, under the guidance of Prof. Yossi Yovel, head of Tel Aviv University's Sagol School of Neuroscience and a faculty member of the School of Zoology in the George S. Wise Faculty of Life Sciences […]
Novel coronavirus discovered in British bats
on July 19, 2021 at 1:00 pm
A coronavirus related to the virus that causes COVID-19 in humans has been found in UK horseshoe bats—according to new collaborative research from the University of East Anglia, ZSL (Zoological Society of London), and Public Health England (PHE).
Bats keep chit-chat simple in the air
on July 16, 2021 at 12:10 pm
Bat conversations might be light on substance, according to researchers from the University of Cincinnati.