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Acoustic signals of Chinese alligators (Alligator sinensis): Social communication
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10.1121/1.2714910
/content/asa/journal/jasa/121/5/10.1121/1.2714910
http://aip.metastore.ingenta.com/content/asa/journal/jasa/121/5/10.1121/1.2714910

Figures

Image of FIG. 1.
FIG. 1.

SPL (in dB) of acoustic signals in Chinese alligator social communication. Long-distance signal (bellowing) had a higher SPL than short-distance signals (tooting, hissing, mooing and whining). Head slapping and bubble blowing were omitted here because they are produced by slapping or blowing water. (Mann-Whitney -Test, , , two-tailed). Numbers above bars indicate sample sizes.

Image of FIG. 2.
FIG. 2.

Posture of the bellowing activity of the Chinese alligator, with a head oblique tail arched posture.

Image of FIG. 3.
FIG. 3.

(Color online) Wave form and spectrogram of the long-distance signal—bellowing. (a) Wave form of a bout with three bellows; (b) and (c) show the wave form and spectrogram of the second bellow of the bout, respectively.

Image of FIG. 4.
FIG. 4.

(Color online) Wave form (1) and spectrogram (2) of the short-distance signals. Panels (a), (b), (c) and (d) show wave forms and spectrograms of tooting, hissing, mooing, and whining, respectively (head slapping and bubble blowing were omitted here because they are produced by slapping or blowing water).

Tables

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TABLE I.

Temporal and frequency features of acoustic signals in Chinese alligator social communication.

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/content/asa/journal/jasa/121/5/10.1121/1.2714910
2007-05-01
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Acoustic signals of Chinese alligators (Alligator sinensis): Social communication
http://aip.metastore.ingenta.com/content/asa/journal/jasa/121/5/10.1121/1.2714910
10.1121/1.2714910
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