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Last updated on April 16, 2014 at 17:34 EDT

Barbastelle

The Barbastelle (Barbastella barbastellus), also known as the Western Barbastelle, is a European bat. It has a short nose, small eyes and wide ears. It is rare throughout its range. In Britain, only three breeding roosts are known, including Paston Great Barn in Norfolk.

The Barbastelle has two main call types used for echolocation. The frequency parameters of call type 1 lie between 30-38 kHz, have most energy at 33 kHz and have an average duration of 2.5 ms.[1] The frequency parameters of call type 2 lie between 29-47 kHz, have most energy at 38 kHz and have an average duration of 4.1 ms.

Barbastelle