Big-eared pipistrelle

The big-eared pipistrelle (Hypsugo macrotis) is a species of vesper bat in the family Vespertilionidae. It can be found in Indonesia and Malaysia. It forages over mud flats over Peninsula Malaysia but its roosting activities are unknown. Its habitat is being threatened by deforestation for agriculture, plantations, logging and fires but how it affects this bat or if it is adaptable are unknown.

Big-eared pipistrelle

Data Deficient  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Vespertilionidae
Genus: Hypsugo
Species:
H. macrotis
Binomial name
Hypsugo macrotis
(Temminck, 1840)
Synonyms
  • Vespertilio macrotis Temminck, 1840
  • Pipistrellus macrotis (Temminck, 1840)

Taxonomy
 

Philetor brachypterus

 
 
 
 

Hypsugo macrotis

 
 

Hypsugo cadornae

 
 
 
 

Hypsugo dolichodon

 
 

Hypsugo pulveratus

 
 
 

Hypsugo savii

 
 

Hysugo alaschanicus

 
 
 
 
Relationship of H. macrotis with other members of its genus[2]

The big-eared pipistrelle was described as a new species in 1840 by Dutch zoologist Coenraad Jacob Temminck. Temminck placed it in the genus Vespertilio with a binomen of Vespertilio macrotis. The holotype had been collected near Padang on the Indonesian island of Sumatra.[3] In 1940, Frederick Nutter Chasen published that he considered it a subspecies of the brown pipistrelle (Hypsugo imbricatus),[2] though it was considered a full species in 2005 by Mammal Species of the World.[4] Hypsugo species have frequently been listed as members of the genus Pipistrellus, meaning that this species has been referred to as Pipistrellus macrotis, but the generic status of Hypsugo is now widely accepted.[2]

Based on mitochondrial DNA, specifically the regions that encode cytochrome c oxidase and cytochrome b, the big-eared pipistrelle is most closely related to Cadorna's pipistrelle (Hypsugo cadornae).[2]

Its species name "macrotis" comes from Ancient Greek makrós meaning "long" and oûs meaning "ear".[5]

Description

Individuals have a forearm length of 31.7–34.5 mm (1.25–1.36 in). Based on three adult females, individuals weigh 5–6 g (0.18–0.21 oz).[2]

Range and habitat

The big-eared pipistrelle is native to Southeast Asia where it has been documented in Indonesia and Malaysia.[1]

Conservation

As of 2016, it is evaluated as a data deficient species by the IUCN. There is a lack of up-to-date information about its population size and ecological needs. It is threatened by the destruction of its habitat via deforestation.[1]

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References
  1. Görföl, T.; Bates, P.J.J.; Lim, L.S. & Francis, C.M. (2016). "Hypsugo macrotis" (PDF). IUCN Red List of Threatened Species. 2016: e.T17349A22127259. doi:10.2305/IUCN.UK.2016-3.RLTS.T17349A22127259.en.
  2. Lim, LEE-SIM; Csorba, Gábor; Wong, Cheng-MIN; Zubaid, Akbar; Rahman, Sultana Parvin Habeebur; Kumaran, Jayaraj Vijaya; Khan, Faisal ALI Anwarali; Huang, JOE Chun-Chia; Najimudin, Nazalan; Görföl, Tamás (2016). "The systematic position of Hypsugo macrotis (Chiroptera: Vespertilionidae) and a new record from Peninsular Malaysia". Zootaxa. 4170 (1): 169–177. doi:10.11646/zootaxa.4170.1.10. PMID 27701281.
  3. Temminck, C. J. (1840). Monographies de mammalogie, ou Description de quelques genres de mammifères, dont les espèces ont été observées dans les différens musées de l'Europe [Monographs of mammalogy, or Description of some kinds of mammals, whose species have been observed in the different museums of Europe] (in French). 2. Paris. pp. 218–219.
  4. Wilson, D.E.; Reeder, D.M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
  5. Palmer, T. S. (1904). "Index Generum Mammalium: A List of the Genera and Families of Mammals". North American Fauna. Fish and Wildlife Service (23): 395. macrotis ear.
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