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Documents disponibles écrits par cet auteur (9)
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Article
Sofía Copello, Auteur ; Nicolas Suarez, Auteur ; Pablo Yorio, Auteur ; MARÍA T. RAVASI, Auteur ; JESICA A. PAZ, Auteur ; PABLO GARCÍA BORBOROGLU, Auteur ; MARICEL GRAÑA GRILLI, Auteur ; Marco Favero, Auteur ; Juan P. Seco Pon, AuteurThe Olrog’s Gull Larus atlanticus is an endemic and threatened species of the south-western Atlantic. Little is known about its movements during the non-breeding period. The objective of this study was to analyse the migration of the species by [...]
Article
German O. Garcia, Auteur ; Carla A. Paterlini, Auteur ; Marco Favero, Auteur ; Peter H. Becker, Auteur ; Sandra Bouwhuis, AuteurKleptoparasitism is an exploitative foraging strategy used across taxa, but factors underlying variation in the foraging performance of individuals using it have not often been addressed. Using longitudinal data on Common Terns stealing food fro[...]
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María Teresa Ravasi, Auteur ; Juan Pablo Seco Pon, Auteur ; Jesica Andrea Paz, Auteur ; Marco Favero, Auteur ; Sofía Copello, AuteurOlrog’s Gull Larus atlanticus is an endemic species of the Atlantic coast of southern South America and is currently listed as ‘Near Threatened’ on the IUCN Red List. The species breeds in coastal wetlands of Buenos Aires and Chubut provinces of[...]
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German O. Garcia, Auteur ; Peter H. Becker, Auteur ; Marco Favero, AuteurKleptoparasitism is a well-known foraging tactic used opportunistically by many seabird species. However, little is known about this behaviour during the early stages of the breeding cycle and its effects on breeding performance. Here, we invest[...]
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German O. Garcia, Auteur ; Peter H. Becker, Auteur ; Marco Favero, AuteurKleptoparasitism is a well-known foraging strategy used opportunistically by many seabirds. Here, we investigated the effect of intraspecific kleptoparasitism on chick growth and reproductive output in Common Terns Sterna hirundo. Effects were c[...]
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German O. Garcia, Auteur ; Marco Favero, Auteur ; Rocio Mariano-Jelicich, AuteurThe behaviour of Red-gartered Coots feeding on an unusual food source was examined at Mar Chiquita Coastal Lagoon, Argentina. The grapsid crab Cyrtograpsus angulatus made up all observed prey items, and 61% were small. Both handling and foraging[...]
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Agustina Gomez Laich, Auteur ; Marco Favero, AuteurThe White-chinned Petrel Procellaria aequinoctialis is the second most commonly captured species by Argentinean longliners. The severe declines that this species has experienced in some of its populations (e.g. South Georgia islands) have been p[...]
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German O. Garcia, Auteur ; Juliane Riechert, Auteur ; Marco Favero, Auteur ; Peter H. Becker, AuteurAmongst seabirds, kleptoparasitism is one of the most common types of exploitation in which individuals compete for food already procured by another forager. Here, we analyzed the within-colony spatial movements and foraging of transponder-marke[...]
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Maria Paula Beron, Auteur ; Marco Favero, Auteur ; Agustina Gomez Laich, AuteurWe studied the exploitation of crab-beds and fishing grounds by Olrog's Gulls Larus atlanticus in non-breeding areas along the coast of Buenos Aires province, Argentina. During 2004 and 2005, censuses were performed in different areas of Mar Chi[...]
