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Article
J. C. Senar, Auteur ; J. G. Carrillo-Ortiz, Auteur ; A. Ortega-Segalerva, Auteur ; F. S. E. Dawson Pell, Auteur ; J. Pascual, Auteur ; L. Arroyo, Auteur ; D. Mazzoni, Auteur ; T. Montalvo, Auteur ; B. J. Hatchwell, AuteurBreeding parameters for Monk Parakeets Myiopsitta monachus nesting in Barcelona, Spain, were collected for 651 nests over five breeding seasons. This invasive population has a high reproductive capacity compared with the species in the native ra[...]
Article
A. Borras, Auteur ; T. Cabrera, Auteur ; J. Cabrera, Auteur ; J. C. Senar, AuteurThe diet of the Citril Finch (Serinus citrinella ) in its eastern range is well known, especially in spring; however, no data are available from its western populations. The aim of this paper is to provide extensive data on the diet of the speci[...]
Article
J. Domenech, Auteur ; J. C. Senar, AuteurDans Ardea (87(2) 1999)Given that in many bird species females are subordinate to males and that, in general, subordinate individuals are more vigilant than dominants ones, we should predict foraging females to be more vigilant than males. This prediction is tested he[...]
Article
J. C. Senar, Auteur ; J. Domenech, Auteur ; M. J. Conroy, AuteurWe compared capture rates of Great Tits at funnel traps, where several birds can be captured at once so that some decoy effect may appear, to those obtained at automatic traps, where only one bird can be trapped at a time, at trapping stations i[...]
Article
A. Borras, Auteur ; J. Cabrera, Auteur ; T. Cabrera, Auteur ; J. C. Senar, AuteurSex and age variation in external biometric measurements is described for the eastern Pyrenean Citril Finch population (n = 376 birds from 16 localities). Citril Finch overall biometry could be summarized by five Principal Components (PCA), whic[...]
Article
J. Figuerola, Auteur ; J. C. Senar, Auteur ; J. Pascual, AuteurDans Ardea (87(2) 1999)We tested the use of a field colorimeter for studying plumage coloration of three species of small passerines in the field. Measurement repeatability was generally high, although for some species some parts of the plumage proved difficult to mea[...]
Article
A. Borras, Auteur ; J. Pascual, Auteur ; J. C. Senar, AuteurBill measurement is important in many feeding studies. Traditionally, two alternative bill measures have been proposed: bill length measured from the tip to skull (i.e., total culmen), mainly used in Europe, and bill length measured from the tip[...]
