Hipposideros atrox

Hipposideros atrox, commonly known as the lesser bicolored leaf-nosed bat, is a species of bat found in Southeast Asia. Originally described as a subspecies in 1918, it was recognized as a full species in 2010. It uses echolocation to navigate and find prey, and roosts in caves during the day.

Hipposideros atrox
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Hipposideridae
Genus: Hipposideros
Species:
H. atrox
Binomial name
Hipposideros atrox
Andersen, 1918

Taxonomy

Hipposideros atrox was described as a new subspecies of Hipposideros gentilis by Danish mammalogist Knud Andersen in 1918;[2][1] he described H. gentilis in the same publication. The holotype had been collected by Arthur Lennox Butler in the Malaysian state of Selangor.[2] Hipposideros gentilis has been recognized as a synonym of the Pomona roundleaf bat (Hipposideros pomona).[3] In 1963, British mammalogist John Edwards Hill included H. atrox as a subspecies of the bicolored roundleaf bat (Hipposideros bicolor).[4] However, in 2010 H. atrox was recognized as a distinct species for the first time,[4][5] which was followed by the IUCN in 2019.[1]

Description

H. atrox has a forearm length of 40.7–46.0 mm (1.60–1.81 in). Males have an average body weight of 6.6 g (0.23 oz) while females have an average body weight of 7.0 g (0.25 oz).[4]

Biology and ecology

It is an echolocating species of bat, using constant frequency echolocation. The frequency of maximum energy is approximately 142 kHz. It roosts in sheltered areas during the day such as caves, which it cohabitates with other species of the genus Hipposideros[4]

Range and habitat

It is native to Southeast Asia where its range includes Malaysia, Indonesia, and Thailand. It has been documented at a range of elevations from 9–860 m (30–2,822 ft) above sea level.[1]

Conservation

As of 2019, H. atrox is considered a least-concern species by the IUCN. It meets the criteria for this designation because it has a wide geographic range; its population is presumably large; it tolerates human disturbance of the landscape; and it is not thought to be experiencing rapid population decline.[1]

References
  1. Douangboubpha , B. (2020) [amended version of 2019 assessment]. "Hipposideros atrox". IUCN Red List of Threatened Species. 2020: e.T80259774A166619528. doi:10.2305/IUCN.UK.2020-1.RLTS.T80259774A166619528.en. Retrieved 18 July 2020.
  2. Andersen, Knud (1918). "XXXIV.—Diagnoses of new bats of the families Rhinolophidæ and Megadermatidæ". Annals and Magazine of Natural History. 2 (10): 380–381. doi:10.1080/00222931808562380.
  3. "Hipposideros gentilis". ITIS. Retrieved 25 August 2019.
  4. Douangboubpha, Bounsavane; Bumrungsri, Sara; Soisook, Pipat; Satasook, Chutamas; Thomas, Nikky M.; Bates, Paul J. J. (2010). "A Taxonomic Review of the Hipposideros bicolor Species Complex and H. Pomona (Chiroptera: Hipposideridae) in Thailand". Acta Chiropterologica. 12 (2): 415–438. doi:10.3161/150811010x537990. S2CID 85572504.
  5. "Hipposideros atrox". ASM Mammal Diversity Database. Retrieved 30 August 2019.
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