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Keywords: click
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Journal Articles
J Exp Biol (2013) 216 (21): 4091–4102.
Published: 1 November 2013
... to form a single echolocation click with a higher source level, broader bandwidth and larger potential for beam steering than if produced by a single pair of phonic lips. Here, we test that hypothesis by measuring the sound production of five echolocating delphinids using hydrophones around the animals...
Journal Articles
J Exp Biol (2007) 210 (1): 56–64.
Published: 1 January 2007
... source level of 191 dB re 1 μPa pp @ 1 m. The maximum source level was more than 30 dB above what has been measured from captive animals, while the spectral and temporal properties were comparable. Calculations based on the sonar equation indicate that harbour porpoises,using these high click intensities...
Journal Articles
J Exp Biol (2004) 207 (25): 4361–4369.
Published: 1 December 2004
...Richard A. Holland; Dean A. Waters; Jeremy M. V. Rayner SUMMARY Rousettus aegyptiacus Geoffroy 1810 is a member of the only genus of Megachiropteran bats to use vocal echolocation, but the structure of its brief, click-like signal is poorly described. Although thought to have a simple echolocation...
Journal Articles
J Exp Biol (2004) 207 (11): 1811–1823.
Published: 1 May 2004
..., but there is little information about the properties and use of biosonar clicks of free-ranging animals in offshore habitats. This study presents the first source parameter estimates of biosonar clicks from two free-ranging oceanic delphinids, the opportunistically foraging Pseudorca crassidens and the cephalopod...
Journal Articles
J Exp Biol (2002) 205 (13): 1899–1906.
Published: 1 July 2002
...P. T. Madsen; R. Payne; N. U. Kristiansen; M. Wahlberg; I. Kerr; B. Møhl SUMMARY Delphinoids (Delphinidae, Odontoceti) produce tonal sounds and clicks by forcing pressurized air past phonic lips in the nasal complex. It has been proposed that homologous, hypertrophied nasal structures in the deep...