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The mouse-eared bats or myotises are a diverse and widespread genus (Myotis) of bats within the family Vespertilionidae.The noun "myotis" itself is a Neo-Latin construction, from the Greek "muós (meaning "mouse") and "oûs" (meaning ear), literally translating to "mouse-eared".
The Greater mouse-eared bat is relatively large for a member of the genus Myotis, weighing up to 45 grams (1.6 oz) and measuring 8 to 9 cm from head to tail (a little larger than a house mouse, Mus musculus), making it one of the largest European bats. [3] It has a 40 cm wingspan, with a forearm length of 6 cm, and a 4 to 5 cm long tail.
Bats are flying mammals of the order Chiroptera (/ k aɪ ˈ r ɒ p t ər ə /). [a] With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out digits covered with a thin membrane or patagium.
They are also called fruit bats, Old World fruit bats, ... Several factors could explain why so few pteropodid fossils have been discovered: ...
The hammer-headed bat is the largest bat in mainland Africa. [12] Males have wingspans up to 90.1 cm (2.96 ft), [ 13 ] and all individuals have forearm lengths exceeding 112 mm (4.4 in). [ 12 ] It has pronounced sexual dimorphism , more so than any other bat species in the world, [ 12 ] with males up to twice as heavy as females.
The greater bulldog bat or fisherman bat (Noctilio leporinus) is a species of fishing bat native to Latin America (Spanish: murciélago pescador; Portuguese: morcego-pescador). The bat uses echolocation to detect water ripples made by the fish upon which it preys, then uses the pouch between its legs to scoop the fish up and its sharp claws to ...
The male bat uses its penis more like an arm to move a protective membrane away from the female bat’s vulva, according to a study published Monday in the journal Current Biology.
The greater spear-nosed bat has a body length of around 100–130 mm (3.9–5.1 in), with a wing span of 455 mm (17.9 in). Despite the large size, it is very light, weighing on average 81 g (2.9 oz). Its long, thick hair is dark brown, with a slight orange tinge on the ventral side.