High-Frequency Burst-Pulse Sounds in Agonistic/Aggressive Interactions in Bottlenose Dolphins, Tursiops truncatus. Blomqvist, C. & Amundin, M. In Echolocation in Bats and Dolphins, pages 425–431. 2004. Issue: 1983 ISSN: 0226795993abstract bibtex Most studies on dolphin communication have focused on whistles (e.g., Caldwell and Caldwell 1965). Whistles are omnidirectional (Evans, Sutherland, and Beil 1964) and convey information to all members of a dolphin school about identity, relative position, and, to some extent, emotional state of the whistler (Caldwell and Caldwell 1972). Pulsed sounds, on the other hand, have mainly been investigated in connection with echolocation (e.g., Au 1993), but a few studies suggest that pulsed sounds are also used in social contexts. Dawson (1991) found a significantly greater abundance of high-repetition-rate burstpulse sounds, labeled “cries,” during aerial and aggressive behavior situations than during feeding in Hector’s dolphin (Cephalorhynchus hectori), suggesting that these cries were social rather than echolocation sounds. He also claimed it to be highly improbable that whistles would constitute the entire basis for intraspecific communication in odontocetes, since this would imply that nonwhistling species do not communicate acoustically at all. Amundin (1991) reported that burst-pulsed sounds in agonistic and distress situations have context-specific repetition rate patterns in the nonwhistling harbor porpoise (Phocoena phocoena). Connor and Smolker (1996) reported that a pulsed “pop” sound was correlated with courtship and/or dominance in the bottlenose dolphin (Tursiops truncatus). Overstrom (1983) reported pulsed sounds correlated with aggressive behaviors in the same species.
@incollection{blomqvist_high-frequency_2004,
title = {High-{Frequency} {Burst}-{Pulse} {Sounds} in {Agonistic}/{Aggressive} {Interactions} in {Bottlenose} {Dolphins}, {Tursiops} truncatus},
isbn = {0-226-79599-3},
abstract = {Most studies on dolphin communication have focused on whistles (e.g., Caldwell and Caldwell 1965). Whistles are omnidirectional (Evans, Sutherland, and Beil 1964) and convey information to all members of a dolphin school about identity, relative position, and, to some extent, emotional state of the whistler (Caldwell and Caldwell 1972). Pulsed sounds, on the other hand, have mainly been investigated in connection with echolocation (e.g., Au 1993), but a few studies suggest that pulsed sounds are also used in social contexts. Dawson (1991) found a significantly greater abundance of high-repetition-rate burstpulse sounds, labeled “cries,” during aerial and aggressive behavior situations than during feeding in Hector’s dolphin (Cephalorhynchus hectori), suggesting that these cries were social rather than echolocation sounds. He also claimed it to be highly improbable that whistles would constitute the entire basis for intraspecific communication in odontocetes, since this would imply that nonwhistling species do not communicate acoustically at all. Amundin (1991) reported that burst-pulsed sounds in agonistic and distress situations have context-specific repetition rate patterns in the nonwhistling harbor porpoise (Phocoena phocoena). Connor and Smolker (1996) reported that a pulsed “pop” sound was correlated with courtship and/or dominance in the bottlenose dolphin (Tursiops truncatus). Overstrom (1983) reported pulsed sounds correlated with aggressive behaviors in the same species.},
booktitle = {Echolocation in {Bats} and {Dolphins}},
author = {Blomqvist, Christer and Amundin, Mats},
year = {2004},
note = {Issue: 1983
ISSN: 0226795993},
keywords = {dolphins},
pages = {425--431},
}
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Dawson (1991) found a significantly greater abundance of high-repetition-rate burstpulse sounds, labeled “cries,” during aerial and aggressive behavior situations than during feeding in Hector’s dolphin (Cephalorhynchus hectori), suggesting that these cries were social rather than echolocation sounds. He also claimed it to be highly improbable that whistles would constitute the entire basis for intraspecific communication in odontocetes, since this would imply that nonwhistling species do not communicate acoustically at all. Amundin (1991) reported that burst-pulsed sounds in agonistic and distress situations have context-specific repetition rate patterns in the nonwhistling harbor porpoise (Phocoena phocoena). Connor and Smolker (1996) reported that a pulsed “pop” sound was correlated with courtship and/or dominance in the bottlenose dolphin (Tursiops truncatus). 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