• Heubeck, M., Mellor, R.M., Gear, S. & Miles, W.T.S. (2015) "Population and breeding dynamics of European Shags Phalacrocorax aristotelis at three major colonies in Shetland, 2001-15" Seabird 28:55-77
    [notes]
    http://www.seabirdgroup.org.uk/
  • Reiertsen, T.K., Erikstad, K.E., Barrett, R.T., Sandvik, H. & Yoccoz, N.G. (2012) "Climate fluctuations and differential survival of bridled and non-bridled Common Guillemots Uria aalge" Ecosphere 3(6):52
    [notes]
    http://dx.doi.org/10.1890/ES12-00031R


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