| 词条 | Southeastern myotis |
| 释义 |
| image = Myotis austroriparius 2.jpg | name = Southeastern myotis | status = LC | status_system = iucn3.1 | status_ref = [1] | taxon = Myotis austroriparius | authority = (Rhoads, 1897) | range_map = Distribution of Myotis austroriparius.png | range_map_caption = Distribution of the southeastern bat (1989) }} The southeastern myotis (Myotis austroriparius) is a small bat found throughout the Gulf Coastal Plain and the Lower Mississippi Alluvial Plain of the southeastern United States. DescriptionThe southeastern myotis weighs 5–8 g. Its diet consists predominantly of insects. All species of the genus Myotis, including the southeastern bat, rest by day and forage at night. They often hunt and feed over water. The feeding flights usually alternate with periods of rest, during which the bats hang to digest their catch. The southeastern bat has a wingspan of about 9-11 inches. Pelage varies from gray to bright orange-brown, with females generally being more brightly colored than the males. Southeastern bats are unique among Myotis of the United States in the production of twins; all other Myotis females usually produce one baby. This species is occasionally observed roosting with Rafinesque's big-eared bats.[2] RangeThe range of this species includes southern Illinois and Indiana in the north, westward into southeastern Oklahoma, western Tennessee and Arkansas, and northeastern Texas, and eastward to the southern part of North Carolina. Disjunct populations of this species occur in the Ohio River Valley of Kentucky, and the majority of the population lives in the northern half of the peninsula of Florida [3] EcologySoutheastern myotis are an important food source for barred owls, particularly in the nesting season.[4] One nesting barred owl pair produced 13 pellets that contained bat remains in a month period, containing the skulls of 37 southeastern myotis.[4] Southeastern myotis were less important as a food source outside of the nesting season.[4] References1. ^{{IUCN2009.2|assessor=Arroyo-Cabrales, J.|assessor2=Ticul Alvarez Castaneda, S.|last-assessor-amp=yes|year=2008|id= 14147|title=Myotis austroriparius|downloaded=7 February 2010}} 2. ^http://www.batcon.org/pdfs/ConservationPlanforCORAandMYAU_2014.pdf 3. ^Whitaker, J., W. Hamilton. 1998. Mammals of the Eastern United States. Ithaca, New York: Cornell University Press. 4. ^1 2 Bergstrom, B. J., & Smith, M. T. (2017). Bats as Predominant Food Items of Nesting Barred Owls. Southeastern Naturalist, 16(1), N1-N4.
4 : Mouse-eared bats|Bats of the United States|Fauna of the Southeastern United States|Mammals described in 1897 |
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