Reports

Target Structure and Echo Spectral Discrimination by Echolocating Bats

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Science  20 Dec 1974:
Vol. 186, Issue 4169, pp. 1130-1132
DOI: 10.1126/science.186.4169.1130

Abstract

Echolocating bats can use sonar to discriminate among targets which reflect echoes differing in spectral distribution of energy but not in overall intensity. They can detect differences smaller than 1 millimeter in fine target structure. Bats may be capable of classifying targets from echo spectral signatures and might thus be able to distinguish among flying insect prey by sonar.