Soprano pipistrelle

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Soprano pipistrelle
Pipistrellus pygmaeus01.jpg
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Suborder: Microchiroptera
Family: Vespertilionidae
Genus: Pipistrellus
Species: P. pygmaeus
Binomial name
Pipistrellus pygmaeus
(Leach, 1825)
Pipistrellus pygmaeus range map.png
Global range of P. pygmaeus (green)

The soprano pipistrelle (Pipistrellus pygmaeus) is a small bat that was only formally separated from the common pipistrelle (Pipistrellus pipistrellus) in 1999.

The two species were first distinguished on the basis of their different-frequency echolocation calls. The common pipistrelle uses a call of 45 kHz, while the soprano pipistrelle echolocates at 55 kHz. The two species are sometimes called the 45 kHz pipistrelle and the 55 kHz pipistrelle, or the bandit pipistrelle (common) and the brown pipistrelle (soprano). Since the two species were split, a number of other differences, in appearance, habitat and food, have also been discovered.

Echolocation[edit]

P. pygmaeus (55 Pip) call on heterodyne bat detector, recorded in stereo 187 kHz

The frequencies used by this bat species for echolocation lie between 53 and 86 kHz, have most energy at 55 kHz and have an average duration of 5.8 ms.[1][2]

References[edit]

  1. ^ Parsons, S. and Jones, G. (2000). "Acoustic identification of twelve species of echolocating bat by discriminant function analysis and artificial neural networks". The Journal of experimental biology 203 (Pt 17): 2641–56. PMID 10934005. 
  2. ^ Obrist, M.K., Boesch, R. and Flückiger, P.F. (2004). "Variability in echolocation call design of 26 Swiss bat species: Consequences, limits and options for automated field identification with a synergic pattern recognition approach". Mammalia 68 (4): 307–32. doi:10.1515/mamm.2004.030. 

External links[edit]

  • ARKive Pipistrellus pipistrellus and Pipistrellus pygmaeus Photographs and videos.