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The big brown bat is the type species for the genus Eptesicus, which was established in 1820 by French-American naturalist Constantine Samuel Rafinesque. Though Rafinesque designated the type species as Eptesicus melanops, this was later determined to be a synonym of Eptesicus fuscus.
The little brown bat is affected by the rabies virus—specifically, the strain associated with this species is known as MlV1. However, it is susceptible to other strains of the virus, including those of the big brown bat and the silver-haired bat, which is most lethal to humans. The rabies virus can be present in an individual's saliva ...
In 2020, the big brown bat was designated the official state mammal of the District of Columbia. [4] In 2023, a successful campaign was launched to make the pallid bat the state bat of California. [5] The bill passed both houses unanimously and will take effect on January 1, 2024. [6]
Description. Myotis myotis is a large bat with a long, broad muzzle and big, long ears. The body's dorsal side is brown to reddish-brown, while the ventral side is dirty white or beige. The tragus forms half of the ear, with a small black tip in most individuals. Wing membranes are brownish in colour. [2]
Description. Townsend's big-eared bat is a medium-sized bat (7-12 g) [2] with extremely long, flexible ears, and small yet noticeable lumps on each side of the snout. Its total length is around 10 cm (4 in.), its tail being around 5 cm (2 in) and its wingspan is about 28 cm (11 in).
Corynorhinus. The genus Corynorhinus consists of the big-eared bats, or American long-eared bats. Only three species occur in the genus, all occurring in North America. Members of this group were previously in the genus Plecotus, the long-eared bats, and were also then called lump-nosed bats. Populations of these species are generally uncommon ...
Eptesicus melanops. Rafinesque, 1820. Eptesicus is a genus of bats, commonly called house bats or serotine bats, in the family Vespertilionidae. [1] The genus name is likely derived from the Greek words ptetikos 'able to fly' or petomai 'house flier', although this is not certain. [2]
Big brown bat: Eptesicus fuscus Beauvois, 1796: Vespertilionidae: Common, live statewide [1] Silver-haired bat: ... Little brown bat: Myotis lucifugus Le Conte, 1831: