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Article
E. Serrano-Davies, Auteur ; R. Barrientos, Auteur ; J. J. Sanz, Auteur
Article
E. Arriero, Auteur ; J. J. Sanz, Auteur ; M. Romero-Pujante, AuteurCapsule Effects operate during laying and incubation and with less success in breeding territories characterized by a young and immature vegetation structure. Aims To explore relationships between habitat characteristics at the breeding territor[...]
Article
Clutch size manipulation in the pied flycatcher: Effects on nestling growth, parental care and moult
J. J. Sanz, AuteurTo study parental responses during the incubation and nestling periods, nestling growth and adult moult, two eggs were either removed from or added to Pied Flycatcher Ficedula hypoleuca clutches shortly after clutch completion. Incubation period[...]
Article
J. J. Sanz, Auteur ; J. M. Tinbergen, Auteur ; M. Orell, Auteur ; S. Rytkonen, AuteurDans Ardea (86(1) 1998)We present data on the natural variation in daily energy expenditure (DEE, measured by the doubly labelled water technique) of individual female Great Tits Parus major tending their brood near the northern border of the species' distribution. We[...]
Article
J. J. Sanz, AuteurDans Ardea (86(1) 1998)Composition and diversity of the nestling diet of Pied Flycatchers Ficedulo hypoleuca was compared among 17 European study areas that differed in habitat type (deciduous or coniferous forest). The most abundant foods were butterflies and moths ([...]
Article
J. Moreno, Auteur ; S. Merino, Auteur ; J. J. Sanz, Auteur ; E. Arriero, Auteur ; J. Morales, Auteur ; G. Tomas, AuteurOffspring body mass and hatching date have been proposed as useful correlates of post-fledging survival and recruitment probability in studies of avian populations. However, these links may be mediated by underlying physiological variables which[...]
