Bidentate yellow-shouldered bat

The bidentate yellow-shouldered bat (Sturnira bidens) is a species of bat in the family Phyllostomidae. It is found in Colombia, Ecuador, Peru, and Venezuela.

Bidentate yellow-shouldered bat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Phyllostomidae
Genus: Sturnira
Species:
S. bidens
Binomial name
Sturnira bidens
(Thomas, 1915)
Synonyms
  • Corvira bidens Thomas, 1915

Taxonomy and etymology

It was described as a new species in 1915 by British zoologist Oldfield Thomas. The holotype had been collected by Walter Goodfellow in April 1914 in Baeza, Ecuador. Thomas described a new, now-defunct genus, Corvira, giving the species the binomial of Corvira bidens.[2] The species name "bidens" is Latin for "two teeth;" of the bidentate yellow bat, Thomas wrote, "lower incisors only two."[2]

Description

It has a forearm length of 39.3–43.3 mm (1.55–1.70 in). It has a long and narrow snout and an overall narrow skull. It has a dental formula of 2.1.2.31.1.2.3 for a total of 30 teeth.[3]

Range and habitat

Its range includes Peru, Ecuador, Colombia, and Venezuela. It is found in association with the Andes Mountains at elevations of 1,700–3,000 m (5,600–9,800 ft).[1]

Conservation

As of 2018, it is evaluated as a least-concern species by the IUCN, which is its lowest conservation priority. It has a wide geographic range; its population is presumably large; and it is unlikely to be experiencing rapid population decline. Its population is not severely fragmented, and its population trend is projected as stable.[1]

References
  1. Solari, S. (2018). "Sturnira bidens". IUCN Red List of Threatened Species. 2018: e.T20950A22052060. doi:10.2305/IUCN.UK.2018-2.RLTS.T20950A22052060.en.
  2. Thomas, Oldfield (1915). "XXXVI.—A new genus of phyllostome bats and a new Rhipidomys from Ecuador". Annals and Magazine of Natural History. 16 (94): 310–312. doi:10.1080/00222931508693718.
  3. Gardner, A. L. (2008). Mammals of South America, Volume 1: Marsupials, Xenarthrans, Shrews, and Bats. 1. University of Chicago Press. p. 364–365. ISBN 978-0226282428.
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