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Encyclopedia > Andrews' Beaked Whale
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Andrews' Beaked Whale
Conservation status: Unknown
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Cetacea
Suborder: Odontoceti
Family: Ziphidae
Genus: Mesoplodon
Species: M. bowdoini
Binomial name
Mesoplodon bowdoini
Andrews, 1908

Andrews' Beaked Whale (Mesoplodon bowdoini), sometimes known as the Deep-crest Beaked Whale or Splay Toothed Whale, is one of the most poorly known members of a poorly known genus. The specific name bowdoini is in reference to George S. Bowdoin, a donor to the American Museum of Natural History. This species is noteworthy for not having yet been observed in the wild as of 2002. The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... Jump to: navigation, search Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Jump to: navigation, search Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Jump to: navigation, search Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include... Jump to: navigation, search Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Placentalia Afrosoricida Artiodactyla Carnivora Cetacea Chiroptera Creodonta (extinct) Dermoptera Desmostylia (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Notoungulata (extinct) Perissodactyla Pholidota Primates Proboscidea Rodentia Scandentia Sirenia Tubulidentata Xenarthra Subclass Marsupialia Dasyuromorphia... Suborders Mysticeti Odontoceti (see text for families) The order Cetacea includes whales, dolphins and porpoises. ... Families See text The toothed whales (systematic name Odontoceti) form a suborder of the cetaceans. ... Genera Berardius Hyperoodon Indopacetus Mesoplodon Tasmacetus Ziphius A beaked whale is any of at least 20 species of small whale in the family Ziphiidae. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... In biology, binomial nomenclature is a standard convention used for naming species. ... The American Museum of Natural History is a landmark of Manhattans Upper West Side in New York, at 79th Street and Central Park West. ...

Contents


Physical Description

The body of Andrews' is rather robust in comparison with other members of the genus. The melon on the whale is rather low, and the beak is short and thick. The lower jaw is fairly peculiar in that halfway through it rises up significantly with the teeth extending over the rostrum (or "beak"). The head also sometimes has a light patch on the sides, more prominent in the males. Males, overall dark gray to black, have a lighter "saddle" marking in between the blowhole and dorsal fin on their backs. Males also carry scars typical of the genus. Females are slate gray with greyish-white flanks and belly. Cookie cutter shark bites are present in both genders. Females are believed to reach at least 4.9 meters (16 feet) and males 4.5 meters (15 feet). The young are believed to be around 2.2 meters long (7 feet) when born. Binomial name Isistius brasiliensis (Quoy & Gaimard, 1824) The Cookiecutter shark (also known as the Cigar shark or Luminous shark) is a small rarely-seen shark which often glows green and grows up to 20 inches long. ...


Behavior

The calving season may be during spring and summer off New Zealand, otherwise any behavior is completely unknown.


Population and Distribution

The species lives in the Southern Hemisphere, and it's precise range is uncertain. 35 stranded specimens have been recorded in Australia and New Zealand, Macquarie Island, the Falkland Islands, and Tristan da Cunha. That range may imply a circumpolar distribution. However, there are no confirmed sightings to back this up. Orthographic projection over Macquarie Island Macquarie Island is located in the Southern Ocean, about halfway between Australia and Antarctica. ... Tristan da Cunha is a remote island in the south Atlantic Ocean, at 37°8′ S 12°28′ W. It is a dependency of St. ...


Conservation

This species has never been hunted and there are no records of it being caught in fish nets.


References

  • Encylopedia of Marine Mammals. Edited by William F. Perrin, Bernd Wursig, and J.G.M Thewissen. Academic Press, 2002.
  • Sea Mammals of the World. Written by Randall R. Reeves, Brent S. Steward, Phillip J. Clapham, and James A. Owell. A & C Black, London, 2002.

External links


 
 

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