British Bat Calls: A Guide to Species Identification


British Bat Calls covers topics such as the properties of sound; how bats use sound; bat detection methods; recording devices; analysis software; recording techniques and call analysis. For each species found in the British Isles, information is given on distribution; emergence times; flight and foraging behaviour; habitat; and echolocation including parameters for common measurements. Calls are described in the context of the different technologies used (heterodyne, frequency division and time expansion). Various spectrograms are displayed for each species using examples from both BatSound and AnaLook. An echolocation key is included with British Bat Calls.

Table of Contents:

1. Introduction

2. Bats and sound: Properties of sound; Signal acquisition; Representing and describing sound; How bats use sound

3. Equipment: Bat detectors; Recording sound

4. Call analysis: Sound analysis software; Automatic recognition software; Using sound analysis software; Measuring call parameters; AnalookW; Common analysis problems

5. Species echolocation guide

6. Species identification



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Further Information:

192 pages
colour illustrations
b/w distribution maps

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