eLife (2015)
Toothed whales use sonar to detect, locate, and track prey. They adjust emitted sound intensity, auditory sensitivity and click rate to target range, and terminate prey pursuits with high-repetition-rate, low-intensity…
Measurements of the nasal sacs of individual common dolphin, Delphinus delphis, and Dall’s porpoise, Phocoenoides dalli, by means of silicon reconstruction.
NAKAMURA, Koji; YAMADA, Tadasu K.; SHIMAZAKI, Kenji
Mammal Study (1998)
(...) The physical properties of the sounds produced by toothed whales are directly affected by the morphological characteristics of the air space in the head and by the sound-production mechanism…
An automatic system for detecting and classifying the vocalisations of harbour porpoises
GILLESPIE, DOUGLAS; CHAPPELL, OLIVER
Bioacoustics (2002)
A system for automatically detecting the vocalisations of Harbour Porpoises Phocoena phocoena is described. The system consists of a high frequency hydrophone, an analogue electronics module and software running on…
Bony nares air pressure and nasal plug muscle activity during click production in the harbour porpoise, Phocoena phocoena, and the bottlenosed dolphin, Tursiops truncatus
Amundin, M.; Andersen, S.H.
Journal of Experimental Biology (1983)
Sound production mechanisms have been studied in two delphinid species - the harbour porpoise, Phocoena phocoena (L.), and the bottlenosed dolphin, Tursiops truncatus (Montagu). It was found that, in both…
Investigations on cetacean sonar XI: Intrinsic comparison of the wave shapes of some members of the Phocoenidae family
Kamminga, C.; Cohen Stuart, A.; Silber, G. K.
Aquatic Mammals (1996)
A comparison of the acoustic waveforms of three different species, Phocoena phocoena, Phocoena sinus and Neophocaena phocaenoides of the sub-family Phocoeninae is made with the species Phocoenoides dalli of the…
Characteristics of echolocation signals used by a harbour porpoise (Phocoena phocoena) in a target detection experiment
Teilmann, Jonas; Miller, Lee A.; Kirketerp, Tim; Kastelein, Ronald A.; Madsen, Peter T.; Nielsen, Bjarke K.; Au, Whitlow W. L.
Aquatic Mammals (2002)
The characteristics of echolocation signals used by a harbour porpoise (Phocoena phocoena) during a target detection experiment are described. A water-filled steel sphere (either 5.08 or 7.62 cm in diameter)…
Investigations on cetacean sonar VII: Underwater sounds of Neophocaena phocaenoides of the Japanese coastal population
Kamminga, C.; Kataoka, T.; Engelsma, F. J.
Aquatic Mammals (1986)
This paper describes the sonar sounds from four captive Neophocaena, two males and two females, which were tape recorded and processed with regard to their behaviour in the time and…
Morphology of the odontocete melon and its implications for acoustic function
McKenna, Megan F.; Cranford, Ted W.; Berta, Annalisa; Pyenson, Nicholas D.
Marine Mammal Science (2011)
Toothed whales (crown Odontoceti) are unique among mammals in their ability to echolocate underwater, using specialized tissue structures. The melon, a structure composed of fat and connective tissue, is an…
Assessment of the effect of natural and anthropogenic aquatic noise on vaquita (Phocoena sinus) through a numerical simulation
Castellazzi, Giovanni; Krysl, Petr; Rojas, Lorenzo; Cranford, Ted W.
Advances in Experimental Medicine and Biology (2012)
Phocoena sinus (vaquita) is a small marine harbor porpoise endemic to the Gulf of California that is believed to be the most endangered cetacean in the world as reported by…
The acoustic world of harbor porpoises
Wahlberg, Magnus; Linnenschmidt, Meike; Madsen, Peter; Wisniewska, Danuta; Miller, Lee
Amer. Scientist (2015)
Abstract currently unavailable