File:Belugas.jpg
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DescriptionBelugas.jpg |
English: The absence of the dorsal fin is reflected in the genus name of the species - apterus is the Greek for "wingless". The evolutionary preference for a dorsal ridge in favor of a fin is believed by scientists to be adaptation to under-ice conditions, or possibly as a way of preserving heat. |
Date | |
Source | Beluga Whales |
Author | Leon Mitchell from San Diego, USA |
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This image was originally posted to Flickr by tigrecanela at https://www.flickr.com/photos/12168606@N00/480865138. It was reviewed on 20 March 2008 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
20 March 2008
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current | 00:01, 20 March 2008 | 1,200 × 898 (653 KB) | Serg!o (talk | contribs) | {{Information |Description= {{en|The absence of the dorsal fin is reflected in the genus name of the species - apterus is the Greek for "wingless". The evolutionary preference for a dorsal ridge in favor of a fin is believed by scientists to be adaptation |
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