La Tour du Valat

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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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Article

Fisheries and daily activity cycles of Audouin's Larus audouinii and Yellow-legged Gulls L.cachinnans breeding at the Chafarinas Islands (Moroccan coast)

Jacob González-Solís, Auteur ; Xavier Ruiz, Auteur ; Lluis Jover, Auteur

Dans Vogelwarte (40(1-2) Oct., 1999)

From 1993 to 1995 we analysed the influence of purse-seine and trawler fisheries on the activity cycle of Audouin's Larus audouinii and Yellow-legged Gull L.cachinnans at the Chafarinas Islands (Moroccan coast). Yellow-legged Gulls showed an act[...]

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Article

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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