Botta’s serotine (Eptesicus bottae)

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Botta's serotine, head detail
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Botta’s serotine fact file

Botta’s serotine description

KingdomAnimalia
PhylumChordata
ClassMammalia
OrderChiroptera
FamilyVespertilionidae
GenusEptesicus (1)

Named after the man who first discovered the species (3), Botta’s serotine is a small bat with short, white fur on the underside and browner hairs across most of the face and back, with a patch of dark, naked skin running from the snout, along the muzzle to the eyes (4). Botta’s serotine displays a wide range of body sizes and colouration, depending on the region it is from. Some of these variants, such as those found in Egypt, are considered subspecies (5), while other populations, such as those in Turkey and northern Syria, are considered by some scientists to be entirely separate species (1)

Synonyms
Eptesicus anatolicus.
French
SEROTINE DE BOTTA.
Size
Total length: 9.2 – 9.7 cm (2)
Tail length: 3.9 – 4.3 cm (2)
Forearm length: 4.0 – 4.2 cm (2)
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Botta’s serotine biology

A nocturnal bat, Botta’s serotine leaves its roost at dusk to hunt insects using echolocation (6), a remarkable method of navigation in which the bat produces sounds, or clicks, which reflect off surrounding objects and are picked up again by the bat’s ears. The time it takes for the sound to return reveals the size and location of objects in the bat’s surroundings (7).

Little is known about the reproductive cycle of Botta’s serotine, but generally bats have one, or occasionally two, pups a year (8); a female Botta’s serotine has been found carrying two developing embryos (3). Surprisingly for their small size, bats generally have relatively long life-spans (8); the life-span of this species may be similar to the closely related serotine bat (Eptesicus serotinus) which is known to live up to 19 years (9).

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Botta’s serotine range

The range of Botta’s serotine extends from the eastern Mediterranean, south to Egypt and the Arabian Peninsula, and east to central Asia, India, and north-western China (1) (2).

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Botta’s serotine habitat

Botta’s serotine is found in almost all habitats except for true desert, including cultivated areas of eucalyptus, date groves, ponds, riversides and mountains, up to an altitude of 3,400 metres (2). It roosts in crevices found in buildings and ruins, as well as natural cracks in rocks (1).

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Botta’s serotine status

Classified as Least Concern (LC) on the IUCN Red List (1).

IUCN Red List species status – Least Concern

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Botta’s serotine threats

As Botta’s serotine is often found inhabiting crevices in ruins, the decrease in the number of ruins and the disturbance of many others by tourists may be affecting this species in certain areas, although this is not considered to be a major threat to the species at present (1).

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Botta’s serotine conservation

Botta’s serotine is one of the species protected through Eurobats, the Agreement on the Conservation of Populations of European Bats (10). This agreement aims to protect European bat species through legislation, education and conservation measures (10)

View information on this species at the UNEP World Conservation Monitoring Centre.
Environment Agency - Abu Dhabi is a principal sponsor of ARKive. EAD is working to protect and conserve the environment as well as promoting sustainable development in the Emirate of Abu Dhabi.
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Find out more

To find out about efforts to conserve bats around the world see:

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Authentication

Information authenticated (30/04/10) by Richard Hoath, Senior Instructor, American University in Cairo.
http://www.egypttoday.com/

This species information was authored as part of the ARKive and Universities Scheme.
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Glossary

Nocturnal
Active at night.
Subspecies
A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.
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References

  1. IUCN Red List (March, 2010)
    http://www.iucnredlist.org/
  2. Hoath, R. (2009) A Field Guide to the Mammals of Egypt. The American University in Cairo Press, Cairo, Egypt.
  3. Qumsiyeh, M.B. (1996) Mammals of the Holy Land. Texas Tech University Press, Texas.
  4. Hoath, R. (2006) Mammal Mania. EgyptToday, 2006: 42-43.
  5. Horáček, I., Hanák V. and Gaisler J. (2000) Bats of the Palearctic Region: A Taxonomic and Biogeograpic Review. Proceedings of the VIIIth EBRS, 1: 11-157.
  6. Holderied, M., Korine, C., Brock Fenton, M., Parsons, S., Robson, S. and Jones, G. (2005) Echolocation call intensity in the aerial hawking bat Eptesicus bottae (Vespertilionidae) studied using stereo videogrammetry.The Journal of Experimental Biology, 208: 1321-1327.
  7. Burnie, D. (2001) Animal. Dorling Kindersley, London.
  8. Burton, R. (2002) International Wildlife Encyclopedia. Marshall Cavendish Corporation, New York.
  9. Schober, W. and Grimmberger, E. (1987) A Guide to Bats of Britain and Europe. Hamlyn Publishing Group Limited, London.
  10. Eurobats (November, 2009)
    http://www.eurobats.org/
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Image credit

Botta's serotine, head detail  
Botta's serotine, head detail

© Dr Mustafa Sözen

Mustafa Sözen
Biology Department
Zonguldak Karaelmas University
Zonguldak
67100
Turkey
Tel: +90 (535) 733 76 54
Fax: +90 (372) 257 41 81
spalaxtr@hotmail.com
http://server.karaelmas.edu.tr/sozen/MustafaSozenEng.htm

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