Attributes / relations provided by
♦ ¹Estimating prey capture rates of a planktivorous seabird, the little auk (Alle alle), using diet, diving behaviour, and energy consumption, Ann Marie Aglionby Harding, Carsten Egevang, Wojciech Walkusz, Flemming Merkel, Ste ́phane Blanc, David Grémillet, Polar Biol (2009) 32:785–796
♦ ²Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ ³Feeding Ecology of the Lantern Fish Benthosema glaciale in a Subarctic Region, D. Sameoto, Polar Biol (1989) 9:169-178