Report of the International Whaling Commission (1990)
Dorsal fin photographs of Dall's porpoise, Phocoenoides dalli, were taken in northern Puget Sound, Washington in order to assess the feasibility of using photo-identification techniques in studies of this species.…
Fishery Bulletin (1990)
Examination of 95 Dall's porpoise specimens incidentally caught in gill nets, and 4 collected as beach strandings, indicate significant sexual dimorphism and developmental variation in several aspects of external morphology…
Report of the International Whaling Commission (1990)
Information on the movement of cetaceans in relation to survey vessels is important for determining if abundance and density estimates from ship-based line transect sighting surveys are biased. A ship-based…
Marine Mammal Sci (1988)
(...) The vaquita or Gulf of California harbor porpoise, Phocoena sinus Norris and McFarland 1958, has been observed rarely (Wells et al. 1981, Brownell 1983, Brownell 1986). Although a number…
Proceedings of the 16th Annual IMATA Conference (1988)
-San Antonio, Texas- In July of 1987, a Dall's porpoise (Phocoenoides dalli), with her umbilical cord still attached, stranded in Bodega Bay, California. She was transported to Marine World Africa,…
Mammalian Species (1988)
(...) Order Cetacea, Suborder Odontoceti, Family Phocoenidae. The family contains four extant genera: Phocoena, Australophocaena, Neophocaena, and Phocoenoides (Barnes, 1985). Barnes (1984, 1985) has proposed two subfamilies within the Phocoenidae.…
Fishery Bulletin (1988)
The density and total population size of harbor porpoise along the coasts of California, Oregon, and Washington are estimated from ship surveys using line transect methods. Surveys were completed between…
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…
Scientific Reports of the Whales Research Institute (1987)
Eighty nine mother-calf Dall's porpoise pairs were sighted in August and September 1982, 1983 and 1985 in the Bering Sea and the western North Pacific (outside the principal range of…
Can. J. Zool. (1987)
The behavior of Dall's porpoise was studied in the western Johnstone Strait, British Columbia, during the summer of 1984. Observations and theodolite trackings were made from a cliff-top observation point…