External features in southern right whales (Eubalaena australis) and their use in identifying individuals
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External features in southern right whales (Eubalaena australis) and their use in identifying individuals

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Published by The Commission, National Technical Information Service. [distributor] in Washington, D.C, Springfield, Va .
Written in English

Subjects:

  • Southern right whale -- Identification.

Book details:

Edition Notes

StatementRoger Payne ... [et al.] ; prepared for U.S. Marine Mammal Commission.
SeriesReport -- no. MMC-76/21., Report (United States. Marine Mammal Commission) -- MMC-76/21.
ContributionsPayne, Roger, 1935-
The Physical Object
FormatMicroform
Paginationvii, 77 p.
Number of Pages77
ID Numbers
Open LibraryOL14248551M

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Perhaps no external feature on any baleen whale is as distinctive as the hardened, raised patches of skin, called callosities (pronounced cal-OS-it-ies), found on the head of all extant right whale species (North Atlantic right whale, Eubalaena glacialis, North Pacific right whale, E. japonica, and Southern right whales, E. australis; Fig. 1).These features are unique characteristic of the. Males in these species developed external features absent in females that are advantageous in combat or display. For example, male sperm whales are up to 63% percent larger than females, and many beaked whales possess tusks used in competition among males. The southern right whale elevates its tail fluke above the water, remaining in the Class: Mammalia. Right whales or black whales are three species of large baleen whales of the genus Eubalaena: the North Atlantic right whale (E. glacialis), the North Pacific right whale (E. japonica) and the Southern right whale (E. australis).They are classified in the family Balaenidae with the bowhead tonyasgaapartments.com whales have rotund bodies with arching rostrums, V-shaped blowholes and dark gray or black tonyasgaapartments.com: Mammalia. The blue whale is found alone or in small groups in all oceans, but populations in the Southern Hemisphere are much larger. In the Northern Hemisphere, blue whales can be seen regularly in the Gulf of St. Lawrence and off the coasts of Monterey, California, and Baja California, tonyasgaapartments.com spend the summer in polar waters, feeding on shrimplike crustaceans called krill.

Right whales are the rarest of all large whales. There are several species, but all are identified by enormous heads, which can measure up to one-third of their total body length. Herman and Tavolga () discuss mysticete sounds from the perspective of communication. Ridgway and Harrison () provide some further descriptions of sound production for some of the mysticetes, while Payne () presents a number of chapters on specific aspects of acoustic behavior in southern right whales and humpback tonyasgaapartments.com by: Right whale populations in Argentina, South Africa, and Australia are presently the largest and the best studied. The total abundance of southern right whales was estimated as of at over animals, with the three well-studied stocks increasing at 7%–8% tonyasgaapartments.com by: Using a biopsy dart system, samples of skin tissue were collected from southern right whales (Eubalaena australis) in on two wintering grounds, southwest Australia (n = 20) and the Auckland.

Jul 27,  · Abstract. The abundance of New Zealand subantarctic southern right whales (Eubalaena australis) was estimated for the first time using mark-recapture methods based on photo-identification and microsatellite genotyping (13 loci).Individual identification photographs of whales and microsatellite genotypes of whales were collected during annual austral winter field surveys from to Cited by: The southwestern Atlantic southern right whale, Eubalaena australis, population is growing but at a decelerated rate: Southern Right Whale Article in Marine Mammal Science · August with North Atlantic right whales are one of the most endangered large whale species in the world. Hundreds of years of commercial whaling decimated the species by the early s. The species got its name as the “right” whale to hunt: these animals swim slowly close to . Maximize your chances of seeing whales with this boat tour from Hermanus. Learn about the magnificent mammals from a whale specialist as you head out onto the water. Depending on the time of year keep an eye out for humpback, Bryde's, and southern right whales, as well as dolphins and seals/5().