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The bowhead whale, genus Balaena , in the family Balaenidae extant taxa only [12]. During summer they can be found in bays, straits, and estuaries Nowak Northward migrating along western Foxe Basin to eastern side of the basin also occurs in spring seasons. Commercial bowhead whaling began in the 16th century when the Basques killed them as they migrated south through the Strait of Belle Isle in the fall and early winter. Bowhead whales are not social animals, typically travelling alone or in small pods of up to 6. Shelden and Rugh,

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According to whaling captain William Scoresby Jr. HAGR may be freely used for all purposes under some conditions. June Arctic shorts — bowhead whale. Breeding season Breeding occurs in late winter to early spring.

Bowhead whale

Byships were cruising around the Bering Strait region, which killed over 2, whales. Northwest Fisheries Science Center, Seattle. A Taxonomic and Geographic Reference 3rd ed.

Using an indirect method for age estimation based on aspartic acid racemization, the bowhead whale has been recorded as the longest-lived mammal thanks to one male estimated to be years-old. In Perrin, William F. Balaena mysticetus is a benefit to the whaling industry. According to Russian scientists, this total population likely does not exceed animals. Views Read Edit View history.

Retrieved on 16 November Iniidae Inia Amazon river dolphin I.

Media related to Balaena mysticetus at Wikimedia Commons. Tropical bottlenose whale I. Sexual activity occurs between pairs and in boisterous groups of several males and one or two females.

Society for Marine Mammalogy.

It was previously believed the more cells present in an organism, the greater the chances of mutations that cause age-related diseases and cancer. Current status of population structure of this stock is unclear; whether they are remnant of the historic Svalbard group, re-colonized individuals from other stocks, or if a mixing of these two or more stocks had taken place. Balaena mysticetus also has a small pectoral fin for its size, less than centimeters in length Nowak Retrieved 26 December They eat ymsticetus zooplankton, epibenthic organisms, and some benthic organisms.

Moulting behaviours had never or seldom been documented for this species before. Bowhead whales play an important role as predators of plankton in the arctic ocean.

ADW: Balaena mysticetus: INFORMATION

Bowheads originally crossed ice-covered inlets and straits to exchange genes between Atlantic and Pacific populations. After weaning, growth rate decreases. Possibly, vagrants from this population occasionally reach into Asian nations such as off Japan or Korean Peninsula although this record might or might not be of a right mysticeetus [60].

They are able to dive and remain submerged underwater for up to an hour. Encyclopedia of Marine Mammals. Between andthe fleet shifted to the Sea of Okhotsk, where — ships cruised annually.

Iteroparous animals must, by definition, survive over multiple seasons or periodic condition changes. Perhaps this is to allow them to be the first to feed on food aggregations that are encountered. Very few obvious signs of pathology were found in old bowheads.

Isabella Bay in Niginganiq National Wildlife Area is the first wildlife sanctuary in the world to be designed specially for bowhead whales.