Sensory Abilities of Cetaceans (1990)
(...) Watkins et al. (1977) and Dudok van Heel (1981) point to similarity in sound output in Cephalorhynchus and Phocoena, and suggest that it may be the result of convergent…
New record of the spectacle porpoise
Pagnoni, Gustavo; Saba, Sergio
Marine Mammal Sci (1989)
Abstract currently unavailable
Respiratory arrhythmia in the hearts of harbour porpoises (Phocoena phocoena)
Kastelein, R. A.; Meijler, F. L.
Aquatic Mammals (1989)
The heart rates of 3 Harbour porpoises (recorded for 26 days) showed individual variation. Electrocardiograms of two of these animals, made while they were on land, showed respiratory arrhythmia. The…
Postmortem findings in stranded harbour porpoises (Phocoena phocoena, L. 1758) in The Netherlands from 23rd March 1983 to 25th June 1986
van Nie, C. J.
Aquatic Mammals (1989)
The post-mortem findings in 38 stranded harbour porpoises during the period 23rd March 1983 to 25th June 1986 in The Netherlands results in a general view about the parasitological status…
The olfactory regions in the nose of the harbour porpoise Phocoena phocoena (Linnaeus, 1758)
Behrmann, G.
Aquatic Mammals (1989)
(...) The anatomy of the odontocete brains indicates that they can taste but cannot smell. Apparently, when the blowhole migrated to the top of the head, the neural pathways for…
Sexual dimorphism and development of external features in Dall’s porpoise (Phocoenoides dalli)
Jefferson, T.A.
Master's Thesis - San Jose State University (1989)
Examination of 95 Dall's porpoise specimens incidentally caught in gillnets, and four collected as beach strandings, indicate that there is significant sexual dimorphism and developmental variation in several aspects of…
Calving seasonality of Dall’s porpoise in the eastern north Pacific
Jefferson, Thomas A.
Marine Mammal Sci (1989)
(...) Four newborn Dall’s porpoises were examined by the author during July of 1987 and 1988. All had muted color patterns, and some evidence of umbilical remnants, fetal folds, and…
A porpoise, Australophocaena dioptrica, previously identified as Phocoena spinipinnis, from Heard Island
Brownell, Robert L.; Heyning, John E.; Perrin, William F.
Marine Mammal Sci (1989)
(...) Guiler, Burton and Gales (1987) reported a cranium (Tasmanian Museum No. A1411) they identified as belonging to Burmeister’s porpoise, Phocoena spinipinnis (Burmeister, 1865) from Heard Island (53°S 73°30’E). They…
Harbor porpoise, Phocoena phocoena, abundance estimation for California, Oregon, and Washington: II. Aerial surveys
Barlow, Jay; Oliver, Charles W.; Jackson, Terry D.; Taylor, Barbara L.
Fishery Bulletin (1988)
We conducted aerial surveys in September 1984 and September and October 1985 to determine the abundance of harbor porpoise along the coasts of California, Oregon, and Washington. Two observers and…
Observations of the harbour porpoise (Phocoena phocoena) on the Polish Baltic Coast
Skora, K. E.; Pawliczka, I.; Klinowska, M.
Aquatic Mammals (1988)
Information on the harbour porpoise in Polish waters is reviewed and a corrected and updated list of catches, strandings and sightings given. The number of records per year has changed…