Journal of Cetacean Research and Management (2010)
Iran has 1,700km of coastline that borders the Persian Gulf and the Arabian Sea in the northwest Indian Ocean. Apart from a handful of records, almost nothing is known about…
Click communication in harbour porpoises Phocoena phocoena
Clausen, K. T.; Wahlberg, M.; Beedholm, K.; Deruiter, S.; Madsen, P. T.
Bioacoustics (2010)
Sound plays an important role for toothed whales in foraging and communication. However, little is known about acoustic communication in the toothed whale species that only produce narrow band high…
Morphology and microanatomy of harbor porpoise (Phocoena phocoena) dorsal fin tubercles
Ginter, Carly C.; Böttger, S. Anne; Fish, Frank E.
Journal of Morphology (2010)
The unique pattern of small tubercles on the leading edge of the dorsal fins of harbor porpoises (Phocoena phocoena) has been widely noted in the literature, though their structure or…
Gas bubble disease in harbor porpoises (Phocoena phocoena) stranded in British Columbia
Raverty, Stephen A.; Spavin, Lisa; Cottrell, Paul; Ford, John; Hall, Anna; Gaydos, Joe; Haulena, Martin; Ivančić, Marina
Conference of the International Association for Aquatic Animal Medicine (2010)
Harbour porpoises (Phocoena phocoena) are among the most abundant small cetaceans in the northeastern Pacific and there is a distinct bimodal seasonal stranding trend. Increased numbers of animals present in…
Persistent organic pollutants and methoxylated PBDEs in harbour porpoises from the North Sea from 1990 until 2008: Young wildlife at risk?
Weijs, Liesbeth; van Elk, Cornelis; Das, Krishna; Blust, Ronny; Covaci, Adrian
Science of The Total Environment (2010)
In the European North Sea, harbour porpoises are top predators with relatively long life spans and a limited capacity for metabolic biotransformation of contaminants compared to some other marine mammal…
Paedomorphosis in two small species of toothed whales (Odontoceti): How and why?
Galatius, Anders
Biological Journal of the Linnean Society (2010)
To evaluate and assess the ontogenetic background for paedomorphosis in phocoenids, samples of 144 harbour porpoises, 81 white-beaked dolphins, and 130 Commerson's dolphins were compared in terms of the development…
Propagation of narrow-band-high-frequency clicks: Measured and modeled transmission loss of porpoise-like clicks in porpoise habitats
DeRuiter, Stacy L.; Hansen, Michael; Koopman, Heather N.; Westgate, Andrew J.; Tyack, Peter L.; Madsen, Peter T.
The Journal of the Acoustical Society of America (2010)
Estimating the range at which harbor porpoises can detect prey items and environmental objects is integral to understanding their biosonar. Understanding the ranges at which they can use echolocation to…
Acoustic behaviour of echolocating porpoises during prey capture
DeRuiter, S. L.; Bahr, A.; Blanchet, M.-A.; Hansen, S. F.; Kristensen, J. H.; Madsen, P. T.; Tyack, P. L.; Wahlberg, M.
Journal of Experimental Biology (2009)
Porpoise echolocation has been studied previously, mainly in target detection experiments using stationed animals and steel sphere targets, but little is known about the acoustic behaviour of free-swimming porpoises echolocating…
Echolocation by two foraging harbour porpoises (Phocoena phocoena)
Verfuss, U. K.; Miller, L. A.; Pilz, P. K. D.; Schnitzler, H.-U.
Journal of Experimental Biology (2009)
Synchronized video and high-frequency audio recordings of two trained harbour porpoises searching for and capturing live fish were used to study swimming and echolocation behaviour. One animal repeated the tasks…
Habitat preferences and interannual variability in occurrence of the harbour porpoise Phocoena phocoena off northwest Scotland
Marubini, F.; Gimona, A.; Evans, P. G. H.; Wright, P. J.; Pierce, G. J.
Marine Ecology Progress Series (2009)
The harbour porpoise Phocoena phocoena is the most common cetacean around the British Isles, but knowledge of its ecology, habitat preferences and inter-annual variability is still inadequate. Here, sightings collected…