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Canadian Journal of Zoology, Vol. 81, Iss. 5, 2003-05 ,pp. : 816-822

NRC Research Press

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Ecological segregation among Thick-billed Murres (Uria lomvia) and Common Murres (Uria aalge) in the Northwest Atlantic persists through the nonbreeding season

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The winter diet of the Atlantic Puffin Fratercula arctica around the Faroe Islands

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Canadian Journal of Zoology, Vol. 81, Iss. 9, 2003-09 ,pp. : 1598-1607

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Dramatic changes in the return date of Guillemots Uria aalge to colonies in Shetland, 1962–2005: Capsule Changes in return date coincided with marked changes in population size that probably resulted in fluctuating competition for nest-sites.

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