Marine Mammals of the World: Species Identification Guide - download pdf or read online

By T. A. Jefferson

ISBN-10: 9251032920

ISBN-13: 9789251032923

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Adults can reach a maximum of 27 m in the Southern Hemisphere, but most Northern Hemisphere adults are less than 24 m long. Large animals may attain weights of up to 75 t. Geographical Distribution: Fin whales inhabit primarily oceanic waters of both hemispheres. They are seen near shore, most commonly where deep water approaches the coast. Fin whales can be seen in tropical, temperate, and polar zones of all oceans. Fig. 165 Biology and Behaviour: Fin whales are capable of attaining high speeds, possibly to 37 km/h, making them one of the fastest great whales.

Hector’s dolphin (Cephalorhynchus hectori) p. 178 47b. 7 m; distribution limited to west coast of South America, especially protected inshore waters of southern Chile (Fig. 86) . . . . . . . . Black dolphin (Cephalorhynchus eutropiu) p. 180 extending “arms” Fig. 85 Cephalorhynchus hectori white spots in axillae Fig. 86 Cephalorhynchus eutropia 28 Marine Mammals of the World 48a. Dorsal fin low and broad-based, located on forward third of back; head bulbous; body black to dark grey with light anchar-shaped patch on belly and often light grey saddle behind dorsal fin; often a light streak above and behind each eye; deepened tail stock; long sickle-shaped flippers; 7 to 13 pairs of teeth in front half only of each jaw (Fig.

Pygmy killer whale (Feresa attenuata) p. 128 51b. 75 m (Fig. 94) . . . . . Melon-headed whale (Peponocephala electra) p. 130 less than 15 teeth in each half of both jaws flippers slightly rounded at tip Fig. 93 Feresa attenuata more than 15 teeth in each half of both jaws flippers sharply pointed at tip Fig. 94 Peponocephala electra 52a. 8 m (Fig. 95) . . . . . Rough-toothed dolphin (Steno bredanensis) p. 138 52b. Beak distinct from forehead (however, there may not be a prominent crease between .

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Marine Mammals of the World: Species Identification Guide by T. A. Jefferson

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