odontocetes


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Related to odontocetes: Odontoceti, Toothed whales

odontocetes

members of the Odontoceti, a suborder of whales which have teeth, contrasted with the baleen whales which have plates of whalebone as their dental apparatus.
References in periodicals archive ?
Specifically, 6 species pools were formed: 1) small delphinids with relatively large group sizes; 2) small and medium delphinids with relatively small group sizes; 3) large delphinids and co-occurring beaked whales with similar behavior (Barlow, 2006); 4) large and highly conspicuous odontocetes (Barlow et al.
Sperm whales were identified by their clicks, which occur at a slower pace and lower frequency than other odontocete clicks (Goold and Jones, 1995).
In this case, we think that the Risso's Dolphins instigated aggression to induce regurgitation and potential consumption of Sperm Whale prey remains based on the following: (1) Risso's Dolphins behaved aggressively only toward adult Sperm Whales that had recently dove; (2) the Sperm Whales behaved defensively; (3) similarly sized squid-eating odontocetes have behaved aggressively toward Sperm Whales, resulting, in some cases, in pieces of squid flesh floating nearby; and (4) all species involved consume squid.
Dolphins and porpoises are also classified as odontocetes [see "In Search of Dolphin Realities," The World & I, June 1988, p.
Paleontologists have long thought that Mysticetes and Odontocetes represent separate evolutionary lines that split from a group of ancestral toothed whales some 40 million years ago.
2007) as well as other odontocetes, leading to speculation that odontocetes in general may have difficulty recovering from over exploitation (Wade et al.
Odontocetes Although sperm whales were most abundant during the summer-fall surveys in deep water, 158 individuals (CV=0.
Among fossil Cetacea that have been reported from tropical latitudes, Deraniyagala (1967, 1969a, b) reported odontocetes and mysticetes from Ceylon, and he named some extinct taxa on questionably diagnostic materials.
coeruleoalba; the other 16 comprised 11 species of odontocetes.
These results show interesting parallels with white-sided dolphins (Lagenorhynchus acutus) and short-beaked common dolphins along the continental shelf of northeastern United States (Selzer and Payne 1988), and various odontocetes near a submarine canyon on the Scotian Shelf (Gowans and Whitehead 1995).