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Variation in call pitch among killer whale ecotypes
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10.1121/1.2836752
/content/asa/journal/jasa/123/3/10.1121/1.2836752
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/3/10.1121/1.2836752

Figures

Image of FIG. 1.
FIG. 1.

Spectrograms of examples of calls of each ecotype of NE Pacific killer whale (filter bandwidth of 88.24, FFT size 1024, 87.5% overlap). Dashed lines indicate the variable measured.

Image of FIG. 2.
FIG. 2.

(the lowest frequency detectable on the spectrogram) plotted against (the frequency with highest amplitude between 0 and ) of a random sample of 30 calls each recorded from resident, transient, and offshore Pacific killer whale ecotypes.

Image of FIG. 3.
FIG. 3.

(a) Audiogram of the Atlantic salmon Salmo salar ( Hawkins and Johnstone, 1978 ) and one-third octave received levels (dB) up to of the most common resident call type (SI) from our sample, estimated to have been recorded from source based on surface observations, and on-axis based on the number of visible harmonics (see Miller, 2002 ). (b) Audiogram up to of the harbor porpoise Phocoena phocoena (solid line; Kastelein et al., 2002 ), and harbor seal Phoca vitulina (dashed line; Kastak and Schusterman, 1998 ), and one third octave received levels (dB) of the most common transient call (WCT07) from our sample, estimated to have been recorded from source based on surface observations and on-axis based on the number of visible harmonics (see Miller, 2002 ).

Tables

Generic image for table
TABLE I.

Sound budgets from nearshore and offshore sites. Peaks represent short transient sounds such as whale calls.

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/content/asa/journal/jasa/123/3/10.1121/1.2836752
2008-03-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Variation in call pitch among killer whale ecotypes
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/3/10.1121/1.2836752
10.1121/1.2836752
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