Bidentate yellow-shouldered bat

Bidentate yellow-shouldered bat
Conservation status
	; Least Concern (IUCN 3.1)[1]
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;

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.

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

Solari, S. (2018). "Sturnira bidens". IUCN Red List of Threatened Species. 2018: e.T20950A22052060. doi:10.2305/IUCN.UK.2018-2.RLTS.T20950A22052060.en.
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.
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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[iucn-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.

[Thomas_1915-2] 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.

[Gardner_2008-3] 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.