Biology:Cave nectar bat

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Short description: Species of mammal

Cave nectar bat
Eonycteris spelaea
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Pteropodidae
Subfamily: Rousettinae
Tribe: Eonycterini
Genus: Eonycteris
Species:
E. spelaea
Binomial name
Eonycteris spelaea
(Dobson, 1871)
Cave Nectar Bat area.png
Cave nectar bat range
Synonyms[1]
  • Eonycteris bernsteini Tate, 1942
  • Macroglossus spelaeus Dobson, 1871

The cave nectar bat, dawn bat, common dawn bat, common nectar bat or lesser dawn bat (Eonycteris spelaea)[1] is a species of megabat within the genus Eonycteris. The scientific name of the species was first published by Dobson in 1871.

Description

The upper parts of the cave nectar bat are grey-brown to dark brown to black. The underparts are paler and the neck is sometimes yellowish brown. The muzzle of this bat is elongated, and particularly adapted for drinking nectar. The species has as well an external tail. The head and body length measures 8.5–11 cm (3.3–4.3 in), the tail length is about 1.5–1.8 cm (0.59–0.71 in) and the forearm length measures 6–7 cm (2.4–2.8 in)[2]

Habits and habitat

The cave nectar bat is found in primary forests and in disturbed and agricultural areas. It roosts in caves, in larger groups, with some roosts exceeding 50,000 individuals, and it sometimes roosts with other bat species. In some places, this species seems to have adapted well to leafy, semi-urban habitats. Due to its large roosting size it has an IUCN status of "least concerned" however, only limited data is available on population size and trends. E. spelaea travels many kilometres each night in search of the nectar of flowering trees and shrubs. Because of that, this bat species is a very important pollinator of fruit trees, such as durians,[2] notably Durio zibethinus and Durio graveolens.[3][4][5] It also feeds on and pollinates other commercially important crops such as banana (Musa spp.) and jackfruit (Artocarpus heterophyllus).[6] In addition to pollinating these plants, the cave nectar bat is an important pollinator for major crops, including up to 55 species of plants. Their tendencies to pollinate certain plants is determined by the proximity of their living quarters. There are at least thirteen plant taxa that the cave nectar bat feeds upon. The dependence on the proximity of the plants explain the variation of which plants that the cave nectar bats pollinate and feed upon.[7] For this reason, E. spelaea is seen as an important species for pollination in disturbed areas bordering on urban and agricultural farms.

Distribution

E. spelaea lives in Bangladesh,[8] Brunei, Cambodia, Indonesia (Java, Kalimantan, Sumatra, Sulawesi and some other small islands), Laos, Malaysia, Myanmar, Philippines , Singapore, Thailand, Vietnam, China , India and Timor-Leste.[2] It had been previously recorded from Gomantong Caves, Sukau, Segama, and Madai in Sabah; Niah, Sungai Tinjar, and Kuching in Sarawak; and Sungai Tengah and Kutai in Kalimantan.[9][10][11][12]

Conservation

This species is killed for bushmeat in Cambodia, Myanmar and the Philippines.[13]

Research

The genome of Eonycteris spelaea was recently sequenced using PacBio long-read sequencing.[14] As a small, frugivorous, specialist nectar-feeding bat with good flight potential and that can breed 1–2 times a year,[15] it is an ideal species as an animal model for bats. Recent evidence has shown this species can carry multiple viruses such as filoviruses,[16][17] coronaviruses,[18] astrovirus,[19] picornavirus,[20] lyssavirus,[21] pteropine orthoreovirus[22] and flavivirus,[23] all without obvious signs of disease.

References

  1. ↑ 1.0 1.1 1.2 Waldien, D.L.; Adleson, S.; Wilson, Z. (2020). "Eonycteris spelaea". IUCN Red List of Threatened Species 2020: e.T7787A22128326. doi:10.2305/IUCN.UK.2020-3.RLTS.T7787A22128326.en. https://www.iucnredlist.org/species/7787/22128326. Retrieved 19 November 2021. 
  2. ↑ 2.0 2.1 2.2 Shepherd, Chris R.; Shepherd, Loretta Ann (2012). A Naturalist's Guide to the Mammals of Southeast Asia. Wiltshire, UK: John Beaufoy Publishing. pp. 22. ISBN 978-1-906780-71-5. 
  3. ↑ Soepadmo, Engkik; Eow, BK (31 August 1977). Mabberley, DJ; Lan, Chang Kiaw. eds. "The Reproductive Biology of Durio zibethinus Murr." (in en) (pdf). The Gardens' Bulletin, Singapore 29: 25–33. ISSN 2382-5812. OCLC 918436212. https://biodiversitylibrary.org/page/43625482. Retrieved 12 November 2017. 
  4. ↑ Start, A.N.; Marshall, A.G. (1976). "Nectarivorous Bats as Pollinators of Trees in West Malaysia". in Burley, J.; Styles, B.T. (in en). Tropical Trees: Variation, Breeding and Conservation. Linnean Society Symposium Series. 2. London, UK: Academic Press. pp. 141–159. ISBN 978-0121451509. OCLC 476102040. 
  5. ↑ Brown, Michael J. (1997). Arora, R.K.; Ramanatha Rao, V.; Rao, A.N.. eds (in en) (PDF). Durio, a Bibliographic Review. New Delhi, India: International Plant Genetic Resource Institute. p. 13. ISBN 9789290433187. OCLC 38754437. https://books.google.com/books?id=3AcGwT0CdSwC&q=graveolens&pg=PR2. Retrieved 11 November 2017. 
  6. ↑ Lim, Voon-Ching; Ramli, Rosli; Bhassu, Subha; Wilson, John-James (2018-03-26). "Pollination implications of the diverse diet of tropical nectar-feeding bats roosting in an urban cave". PeerJ 6: e4572. doi:10.7717/peerj.4572. ISSN 2167-8359. PMID 29607265. 
  7. ↑ Thavry, H.; Cappelle, J.; Bumrungsri, S.; Thona, L.; Furey, N. M. (2017). "The diet of the cave nectar bat (Eonycteris spelaea, Dobson) suggests it pollinates economically and ecologically significant plants in Southern Cambodia". Zoological Studies 56 (56): e17. doi:10.6620/ZS.2017.56-17. PMID 31966216. 
  8. ↑ Red List of Bangladesh Volume 2: Mammals. IUCN, International Union for Conservation of Nature, Bangladesh Country Office. 2015. ISBN 978-984-34-0735-1. https://portals.iucn.org/library/sites/library/files/documents/RL-549.3-003-v.2.pdf. Retrieved 18 March 2022. 
  9. ↑ J. Payne; C. M. Francis; K. Phillipps (1985). A field guide to the mammals of Borneo. Kota Kinabalu, Sabah: The Sabah Society. ISBN 978-967-99947-1-1. 
  10. ↑ Ghanem, Simon J.; Voigt, Christian C. (2012), "Increasing Awareness of Ecosystem Services Provided by Bats", Advances in the Study of Behavior (Elsevier): pp. 279–302, doi:10.1016/b978-0-12-394288-3.00007-1, ISBN 9780123942883 
  11. ↑ SHAO, W. W.; HUA, P. Y.; ZHOU, S. Y.; ZHANG, S. Y.; CHEN, J. P. (May 2008). "Characterization of microsatellite loci in the lesser dawn bat (Eonycteris spelaea)". Molecular Ecology Resources 8 (3): 695–697. doi:10.1111/j.1471-8286.2007.02051.x. ISSN 1755-098X. PMID 21585874. 
  12. ↑ Esselstyn, Jacob A. (2010-02-23). "At Long Last, an Authoritative Guide to the Mammals of Indochina". Journal of Mammalian Evolution 17 (3): 215–216. doi:10.1007/s10914-010-9132-z. ISSN 1064-7554. 
  13. ↑ Mickleburgh, S.; Waylen, K.; Racey, P. (2009). "Bats as bushmeat: a global review". Oryx 43 (2): 217–234. doi:10.1017/s0030605308000938. 
  14. ↑ Wen, Ming; Ng, Justin H J; Zhu, Feng; Chionh, Yok Teng; Chia, Wan Ni; Mendenhall, Ian H; Lee, Benjamin PY-H; Irving, Aaron T et al. (2018-10-01). "Exploring the genome and transcriptome of the cave nectar bat Eonycteris spelaea with PacBio long-read sequencing". GigaScience 7 (10). doi:10.1093/gigascience/giy116. ISSN 2047-217X. PMID 30247613. 
  15. ↑ Nowak, Ronald M. (1999). Walker's mammals of the world. The Johns Hopkins University Press. ISBN 0801857899. OCLC 444327317. 
  16. ↑ Laing, Eric D.; Mendenhall, Ian H.; Linster, Martin; Low, Dolyce H. W.; Chen, Yihui; Yan, Lianying; Sterling, Spencer L.; Borthwick, Sophie et al. (January 2018). "Serologic Evidence of Fruit Bat Exposure to Filoviruses, Singapore, 2011–2016". Emerging Infectious Diseases 24 (1): 114–117. doi:10.3201/eid2401.170401. ISSN 1080-6040. PMID 29260678. 
  17. ↑ Yang, Xing-Lou; Zhang, Yun-Zhi; Jiang, Ren-Di; Guo, Hua; Zhang, Wei; Li, Bei; Wang, Ning; Wang, Li et al. (March 2017). "Genetically Diverse Filoviruses in Rousettus and Eonycteris spp. Bats, China, 2009 and 2015". Emerging Infectious Diseases 23 (3): 482–486. doi:10.3201/eid2302.161119. ISSN 1080-6040. PMID 28221123. 
  18. ↑ Mendenhall, I. H.; Borthwick, S.; Neves, E. S.; Low, D.; Linster, M.; Liang, B.; Skiles, M.; Jayakumar, J. et al. (2016-09-16). "Identification of a Lineage D Betacoronavirus in Cave Nectar Bats (Eonycteris spelaea) in Singapore and an Overview of Lineage D Reservoir Ecology in SE Asian Bats". Transboundary and Emerging Diseases 64 (6): 1790–1800. doi:10.1111/tbed.12568. ISSN 1865-1674. PMID 27637887. 
  19. ↑ Mendenhall, Ian H.; Skiles, Maggie M.; Neves, Erica Sena; Borthwick, Sophie A.; Low, Dolyce H.W.; Liang, Benjamin; Lee, Benjamin P.Y.-H.; Su, Yvonne C.F. et al. (December 2017). "Influence of age and body condition on astrovirus infection of bats in Singapore: An evolutionary and epidemiological analysis". One Health 4: 27–33. doi:10.1016/j.onehlt.2017.10.001. ISSN 2352-7714. PMID 29159263. 
  20. ↑ Kapoor, A.; Simmonds, P.; Lipkin, W. I.; Zaidi, S.; Delwart, E. (2010-07-28). "Use of Nucleotide Composition Analysis To Infer Hosts for Three Novel Picorna-Like Viruses". Journal of Virology 84 (19): 10322–10328. doi:10.1128/jvi.00601-10. ISSN 0022-538X. PMID 20668077. 
  21. ↑ Lumlertdacha, Boonlert; Boongird, Kalyanee; Wanghongsa, Sawai; Wacharapluesadee, Supaporn; Chanhome, Lawan; Khawplod, Pkamatz; Hemachudha, Thiravat; Kuzmin, Ivan et al. (February 2005). "Survey for Bat Lyssaviruses, Thailand". Emerging Infectious Diseases 11 (2): 232–236. doi:10.3201/eid1102.040691. ISSN 1080-6040. PMID 15752440. 
  22. ↑ Taniguchi, Satoshi; Maeda, Ken; Horimoto, Taisuke; Masangkay, Joseph S.; Puentespina, Roberto; Alvarez, James; Eres, Eduardo; Cosico, Edison et al. (2017-02-11). "First isolation and characterization of pteropine orthoreoviruses in fruit bats in the Philippines". Archives of Virology 162 (6): 1529–1539. doi:10.1007/s00705-017-3251-2. ISSN 0304-8608. PMID 28190201. 
  23. ↑ Varelas-Wesley, Irene; Calisher, Charles H. (1982-11-01). "Antigenic Relationships of Flaviviruses with Undetermined Arthropod-Borne Status *". The American Journal of Tropical Medicine and Hygiene 31 (6): 1273–1284. doi:10.4269/ajtmh.1982.31.1273. ISSN 0002-9637. PMID 6293325. 

Wikidata ☰ Q971953 entry



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