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Article
J. Rodríguez-Ruiz, Auteur ; D. Parejo, Auteur ; J. de la Puente, Auteur ; F. Valera, Auteur ; M. A. Calero-Torralbo, Auteur ; A. Bermejo, Auteur ; I. Catry, Auteur ; J. M. Avilés, AuteurTracking devices have contributed enormously to our knowledge of avian migration, although their effects on birds are controversial. Here, we study the short- and long-term effects of deploying geolocators on European Rollers Coracias garrulus a[...]
Article
D. Parejo, Auteur ; J. M. Sanchez-Guzman, Auteur ; J. M. Avilés, Auteur
Article
Breeding biology of the Roller Coracias garrulus in farming areas of the southwest Iberian Peninsula
J. M. Avilés, Auteur ; J. M. Sanchez, Auteur ; A. Sanchez, Auteur ; D. Parejo, AuteurWe studied the breeding biology of Rollers nesting in nestboxes installed in farming areas of Extremadura (southwest Spain). Laying dates of Rollers in Extremadura are the earliest in the Palearctic region. Clutch size was larger than in norther[...]
Article
D. Parejo, Auteur ; J. M. Sanchez, Auteur ; J. M. Avilés, AuteurThe breeding biology of the Little Egret was studied during two seasons in three inland mixed heronries in the south west of Spain in relation to nest height and density. In addition, we compared the reproductive parameters with those found by o[...]
Article
J. M. Avilés, Auteur ; D. Parejo, AuteurThere are no previous studies supporting the link between the decline of Roller Coracias garrulus populations in the Palaearctic and agricultural intensification. We studied the effect of farming practices on Roller reproduction during 1988-1991[...]
Article
J. M. Avilés, Auteur ; J. M. Sanchez, Auteur ; D. Parejo, AuteurNest-site selection and breeding success was studied in a breeding population of Roller (Coracias garrulus) in the Southwest of Spain. 567 nest-boxes were installed on electric pylons in seven different habitats: fallow land, cereals, helm oaks,[...]
Article
D. Parejo, Auteur ; D. Oro, Auteur ; E. Danchin, AuteurThe habitat copying hypothesis states that animals use the reproductive performance of conspecifics to evaluate habitat quality and choose their future breeding site. We used data from Audouin's Gull Larus audouinii (1992-2003), a species adapte[...]
