| Citation | Sea Duck Joint Venture, 2003 Sea duck information series: Long-tailed duck (Clangula hyemalis). Sea Duck Joint Venture http://www.seaduckjv.org/infoseries/ltdu_sppfactsheet.pdf. [Accessed 08/02/2010]. |
| Ref. | 83519 Sea Duck Joint Venture, 2003 |
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| Named Used as Valid | Clangula hyemalis |
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