Narrow Acoustic Field of View Drives Frequency Scaling in Toothed Whale Biosonar

Frants H. Jensen; Mark Johnson; Michael Ladegaard; Danuta M. Wisniewska; Peter T. Madsen

doi:10.1016/j.cub.2018.10.037

Narrow Acoustic Field of View Drives Frequency Scaling in Toothed Whale Biosonar

Frants H. Jensen, Mark Johnson, Michael Ladegaard, Danuta M. Wisniewska, Peter T. Madsen

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

Jensen et al. analyze scaling of echolocation parameters in toothed whales. They show that large species use lower frequency and higher source levels for longer prey detection range. In contrast, species have converged on remarkably similar beamwidth, suggesting that a narrow field of view drives inverse frequency scaling in cetacean biosonar.

Original language	English (US)
Pages (from-to)	3878-3885.e3
Journal	Current Biology
Volume	28
Issue number	23
DOIs	https://doi.org/10.1016/j.cub.2018.10.037
State	Published - Dec 3 2018
Externally published	Yes

Keywords

biosonar directivity
echolocation
ecology
evolution
field of view
foraging
frequency scaling
phylogenetic comparative methods
toothed whales

ASJC Scopus subject areas

General Biochemistry, Genetics and Molecular Biology
General Agricultural and Biological Sciences

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10.1016/j.cub.2018.10.037

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abstract = "Jensen et al. analyze scaling of echolocation parameters in toothed whales. They show that large species use lower frequency and higher source levels for longer prey detection range. In contrast, species have converged on remarkably similar beamwidth, suggesting that a narrow field of view drives inverse frequency scaling in cetacean biosonar.",

keywords = "biosonar directivity, echolocation, ecology, evolution, field of view, foraging, frequency scaling, phylogenetic comparative methods, toothed whales",

author = "Jensen, {Frants H.} and Mark Johnson and Michael Ladegaard and Wisniewska, {Danuta M.} and Madsen, {Peter T.}",

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AU - Johnson, Mark

AU - Ladegaard, Michael

AU - Wisniewska, Danuta M.

AU - Madsen, Peter T.

PY - 2018/12/3

Y1 - 2018/12/3

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AB - Jensen et al. analyze scaling of echolocation parameters in toothed whales. They show that large species use lower frequency and higher source levels for longer prey detection range. In contrast, species have converged on remarkably similar beamwidth, suggesting that a narrow field of view drives inverse frequency scaling in cetacean biosonar.

KW - biosonar directivity

KW - echolocation

KW - ecology

KW - evolution

KW - field of view

KW - foraging

KW - frequency scaling

KW - phylogenetic comparative methods

KW - toothed whales

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Narrow Acoustic Field of View Drives Frequency Scaling in Toothed Whale Biosonar

Abstract

Keywords

ASJC Scopus subject areas

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