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
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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- How an urban bat differs from a rural baton August 11, 2022 at 4:14 pm
Some bat species are more likely to be found in cities than in the countryside. A scientific team from Freie Universität Berlin, the University of Greifswald, the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) and the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) have now investigated which characteristics are typical for urban and rural bats. The team found that bat species with higher affinity to cities are characterized by relatively low frequencies and […]
- How beavers stay wet during UK droughton August 11, 2022 at 2:59 pm
As parts of the U.K. experience one of the worst droughts in a century, a little patch in the southeast of England is babbling with life.
- Discarded pandemic face masks could harm wildlife...on August 11, 2022 at 2:57 pm
While no longer as prevalent as they once were, the billions of face masks and gloves that were produced during the pandemic are making plastic pollution an ever-greater issue.
- Listen to the call: Scientists recreate the song...on August 11, 2022 at 12:32 pm
A museum specimen has been heard for the first time in 150 years after scientists digitally recreated its song.
- Hibernation slows biological aging in batson August 9, 2022 at 11:00 pm
The most common bat in the United States, the big brown bat, boasts an unusually long lifespan of up to 19 years. A new study led by University of Maryland researchers identifies one of the secrets to this bat's exceptional longevity: hibernation.
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