Grey long-eared bat
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| Grey Long-eared Bat | ||||||||||||||
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| Plecotus austriacus (Fischer, 1829) |
The grey long-eared bat (Plecotus austriacus) is a fairly large European bat. It has distinctive ears, long and with a distinctive fold. It hunts above woodland, often by day, and mostly for moths. It is extremely similar to the much rarer brown long-eared bat, and was only distinguished in the 1960s, but has a paler belly. It is an endangered species.
[edit] Echolocation
The frequencies used by this bat species for echolocation lie between 18-45 kHz, have most energy at 28 kHz and have an average duration of 5.8 ms.[1]
[edit] References
- ^ 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.
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