Description of a new species of beaked whale (Berardius) found in the North Pacific.

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ID: 41192
2019
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Abstract
Two types of Berardius are recognised by local whalers in Hokkaido, Japan. The first is the ordinary Baird's beaked whale, B. bairdii, whereas the other is much smaller and entirely black. Previous molecular phylogenetic analyses revealed that the black type is one recognisable taxonomic unit within the Berardius clade but is distinct from the two known Berardius species. To determine the characteristics of the black type, we summarised external morphology and skull osteometric data obtained from four individuals, which included three individuals from Hokkaido and one additional individual from the United States National Museum of Natural History collection. The whales differed from all of their congeners by having the following unique characters: a substantially smaller body size of physically mature individuals, proportionately shorter beak, and darker body colour. Thus, we conclude that the whales are a third Berardius species.
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yamada2019descriptionscientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yamada, Tadasu K;Kitamura, Shino;Abe, Syuiti;Tajima, Yuko;Matsuda, Ayaka;Mead, James G;Matsuishi, Takashi F;
Journal Scientific reports
Year 2019
DOI
10.1038/s41598-019-46703-w
URL
Keywords Keywords not found

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