Shepherd's Beaked Whale

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(Redirected from Tasman Beaked Whale)
Shepherd's Beaked Whale
Conservation status: Unknown
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Cetacea
Suborder:Odontoceti
Family:Ziphidae
Genus:Tasmacetus
Species:T. shepherdi
Binomial name
Tasmacetus shepherdi
Shepherd's Beaked Whale range
Shepherd's Beaked Whale range

Shepherd's Beaked Whale (Tasmacetus shepherdi) also commonly called the Tasman Beaked Whale or simply the Tasman Whale is a cetacean of the family Ziphidae. The whale has hardly been studied at all. No certain identification has been made at sea and only 28 specimens have been recorded stranded.

Contents

Physical description

Shepherd's Beaked Whale had a long beak which narrows to a pointed tip and a bluff melon. It is the only beaked whale with a full set of functionall teeth. The body is about seven metres long and the dorsal fin is located about two-thirds the way along the back. The fin is falcate. The back is coloured dark brown to black with lighter patches running diagonally on the sides with a light underside.

Population and distribution

No population estimates exist for Shepherd's Beaked Whale. As of 2003, 20 stranded specimens had been collected from New Zealand, 3 from Argentina, 2 from the Juan Fernández, 1 from Australia and 1 from the Sandwich Islands. There have been two reports of live sightings - one in New Zealand and one from the Seychelles. On 5th March 2004 a twentieth-eighth stranding was found by a surfer on the coast of Taranaki in the north of Waitara, New Zealand (close to the site of the first stranding in 1933). The specimen was removed for autopsy by the Department of Conservation.

Behaviour

No information is available about group sizes, diving pattern or migatory patterns. The paucity of information may be due to the species having a very shy manner, or its rarity, or both.

Conservation

There are no reports of this species being hunted or killed accidentally by man.

References

  1. Shepherd's Beaked Whale in the Encyclopedia of Marine Mammals Thomas A. Jefferson, 1998. ISBN 0125513402
  2. National Audubon Society Guide to Marine Mammals of the World Reeves et al, 2002. ISBN 0375411410.
  3. Whales, Dolphins and Porpoises Carwardine, 1995. ISBN 0751327816
  4. News report on 28th recording stranding (http://www.stuff.co.nz/stuff/0,2106,2835962a7693,00.html)da:Mangetandet nćbhval

de:Shepherd-Wal

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