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Keywords: song production
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Journal Articles
J Exp Biol (2004) 207 (4): 607–619.
Published: 1 February 2004
... vocal tract resonance properties through changes in beak gape. In this study, we examine patterns of beak gape during song production in seven species of Darwin's finches of the Galápagos Islands. Our principal goals were to characterize the relationship between beak gape and vocal frequency during...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2001) 204 (19): 3379–3388.
Published: 1 October 2001
... measured for the four individuals. Surprisingly, the metabolic cost of song production in the species with the temporally most complex song, the canary, was no greater than in the other two species. In starlings, a 16 dB increase in sound intensity was accompanied by a 1.16-fold increase in the rate...
Journal Articles
J Exp Biol (1985) 117 (1): 357–368.
Published: 1 July 1985
...ROBERT K. JOSEPHSON 1. The mesothoracic wings of tettigoniid insects are used in song production and flight; the metathoracic wings in flight only. In Neoconocephalus triops the wing stroke frequency during flight is about 25 Hz; the frequency during singing about 100 Hz. 2. The twitch duration...