Lesser Black-backed Gulls Larus fuscus nesting in an inland urban colony: the importance of earthworms (Lumbricidae) in their diet: Capsule Earthworms can be an important food of birds breeding inland and on the coast.

By Coulson John C.   Coulson Becky A.  

Bird Study, Vol. 55, Iss. 3, 2008-11 ,pp. : 297-303

Taylor & Francis Ltd

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Reproductive performance and changes in relative species abundance in a mixed colony of Herring and Caspian Gulls, Larus argentatus and Larus cachinnans

By Zagalska-Neubauer Magdalena   Neubauer Grzegorz  

Acta Ornithologica, Vol. 47, Iss. 2, 2012-12 ,pp. : 182-191

Museum and Institute of Zoology, Polish Academy of Sciences

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Long-term feeding ecology of Great Black-backed Gulls (Larus marinus) in the northwest Atlantic: 110 years of feather isotope data

By Farmer R. G.   Leonard M. L.  

Canadian Journal of Zoology, Vol. 89, Iss. 2, 2011-02 ,pp. : 123-133

NRC Research Press

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Factors affecting individual variation in nest-defense intensity in colonially breeding Black-tailed Gulls (Larus crassirostris)

By Kazama Kentaro   Niizuma Yasuaki   Sakamoto Kentaro Q.   Watanuki Yutaka  

Canadian Journal of Zoology, Vol. 89, Iss. 10, 2011-09 ,pp. : 938-944

NRC Research Press

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Drop-catch behaviour is play in herring gulls, Larus argentatus

By Gamble J.R.   Cristol D.A.  

Animal Behaviour, Vol. 63, Iss. 2, 2002-02 ,pp. : 339-345

Elsevier

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