GLOBICEPHALA MACRORHYNCHUS PDF

Species: Globicephala macrorhynchus; Common name: Short-finned pilot whale; Synonyms: Globicephala sieboldii, Globicephala scammonii. Learn more about the Short-finned pilot whale – with amazing Short-finned pilot whale videos, photos and facts on Arkive. Description. “The short-finned pilot whale is one of two species of the genus Globicephala living in North American waters, mostly in tropical to temperate waters.

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Females are the sole caretakers of the young. As their names indicate, their flippers are shorter than those of the long-finned pilot whalewith a gentler curve on the edge. We greatly appreciate all feedback! Used by bats and odontocete cetaceans toothed whales, dolphins and porpoises for orientation and to detect and locate prey. globicepjala

Short-finned pilot whale – Wikipedia

Before diving, macrorhychus arch their tails and raise them above the surface. Pilot whales have been hunted for their meat, bone, oil, and for fertilizer, a practice which continues in some areas. Females become post-reproductive at around 35 years, but may continue to suckle young for up to 15 additional years, suggesting a complex social structure in which older females may give their own or related calves a “reproductive edge” through prolonged suckling.

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Only short-finned pilot whales are thought to inhabit the North Pacific, although distribution and taxonomy of pilot whales in this area are still largely unresolved. In other projects Wikimedia Commons Wikispecies. Size Average male length: Proseriata and Kalyptorhynchia – Rhabditophora There are 2 geographic forms of short-finned pilot whales off Japan.

Indo-Pacific bottlenose dolphin T. Encyclopedia of Marine Mammals. Auditory communication consists of whistles and clicks emitted vocally.

Short-finned pilot whale

Northern right whale dolphin L. Eschrichtius Gray whale E. They prefer tropical and sub-tropical waters and do not linger in areas of colder water such as the Arctic Ocean. Pacific white-sided dolphin Lagenorhynchus obliquidens. Start or join a discussion about this species below or send us an email to report any errors or submit suggestions for this page.

Glovicephala communicate physically by nudging their newborns to the surface.

The shape of the head varies significantly with age and sex, becoming more globose in adult males. Adults may consume up to 14 kg of food per day.

Globicephala macrorhynchus

They have grey or almost white patches on their bellies and throats and a grey or white stripe which goes diagonally upwards from behind each eye. Short-finned pilot whale range The short-finned pilot whale is found worldwide in offshore tropical, subtropical and warm temperate waters 1 4 6 7 8. Lipotidae Lipotes Baiji L.

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The largest catches have recently occurred off Japan, where small coastal whaling stations and drive fisheries take a few hundred annually. They have fewer teeth than the long-finned pilot whale, with 14 to 18 on each jaw. Young males disperse shortly after weaning, while young females stay with their mother’s macrorhnychus. Male short-finned pilot whales are larger than females. Adults occasionally porpoise lift most of the body out of the water when swimming particularly quickly.

Retrieved from ” https: Some older females have been recorded actually taking care of calves that are not their own.

A catch of a macrorhychus hundred per year existed until recently in the Caribbean, but numbers taken there have apparently declined. Proceedins of The Royal Society.

Kasuya and Marsh,