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Diet of Yellow-legged Gull (Larus michahellis) chicks along the Spanish Western Mediterranean coast: the relevance of refuse dumps

Rauel Ramos, Auteur ; Francisco Ramirez, Auteur ; Carolina Sanpera, Auteur ; Lluis Jover, Auteur ; Xavier Ruiz, Auteur

Dans Journal of Ornithology (150(1) JAN 2009)

In recent decades, the Yellow-legged Gull (Larus michahellis) has become a problematic species in many Mediterranean countries, mainly because it interferes with human interests. However, this gull also has a negative impact on several other bir[...]

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Intra-clutch pattern of albumen delta(13)C and delta(15)N in yellow-legged gulls Larus michahellis: female dietary shift or resource allocation strategy?

Francisco Ramirez, Auteur ; Rauel Ramos, Auteur ; Josep Lluis Carrasco, Auteur ; Carola Sanpera, Auteur ; Lluis Jover, Auteur ; Xavier Ruiz, Auteur

Dans Journal of Avian Biology (42(3) MAY 2011)

Energy or nutritional constraints associated to female dietary shifts during the clutch production period may play a role in generating intra-clutch egg size variation in yellow-legged gulls Lams michahellis. To explore this possibility, we dete[...]

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Moulting strategies of a long-distance migratory seabird, the Mediterranean Cory's Shearwater Calonectris diomedea diomedea

Rauel Ramos, Auteur ; Teresa Militao, Auteur ; Jacob González-Solís, Auteur ; Xavier Ruiz, Auteur

Dans Ibis (151(1) JAN 2009)

Seabird moult is poorly understood because most species undergo moult at sea during the non-breeding season. We scored moult of wings, tail and body feathers on 102 Mediterranean Cory's Shearwaters Calonectris diomedea diomedea accidentally caug[...]

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