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Documents disponibles écrits par cet auteur (7)
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Article
Carlos Martinez, Auteur ; Ana C. Miranda, Auteur ; Xavier Ruiz, Auteur
Article
Jose Carrillo, Auteur ; Enrique Gonzalez-Davila, Auteur ; Xavier Ruiz, AuteurDans Ardea (105(2) 2017)The diet of Eurasian Kestrels Falco tinnunculus during the breeding season is well documented in continental populations, but not in their island-dwelling counterparts. The subspecies F. tinnunculus canariensis is a habitat-generalist on the oce[...]
Article
Jose Carrillo, Auteur ; Enrique Gonzalez-Davila, Auteur ; Xavier Ruiz, AuteurDans Ardea (105(2) 2017)The diet of Eurasian Kestrels Falco tinnunculus during the breeding season is well documented in continental populations, but not in their island-dwelling counterparts. The subspecies F. tinnunculus canariensis is a habitat-generalist on the oce[...]
Article
Rauel Ramos, Auteur ; Francisco Ramirez, Auteur ; Carolina Sanpera, Auteur ; Lluis Jover, Auteur ; Xavier Ruiz, AuteurIn 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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Jacob González-Solís, Auteur ; Xavier Ruiz, Auteur ; Lluis Jover, AuteurFrom 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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Francisco Ramirez, Auteur ; Rauel Ramos, Auteur ; Josep Lluis Carrasco, Auteur ; Carola Sanpera, Auteur ; Lluis Jover, Auteur ; Xavier Ruiz, AuteurEnergy 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[...]
Article
Rauel Ramos, Auteur ; Teresa Militao, Auteur ; Jacob González-Solís, Auteur ; Xavier Ruiz, AuteurSeabird 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[...]
