Mostrando 10 resultados de: 11
Subtipo de publicación
Article(11)
Publisher
Auk(2)
Journal of Avian Biology(2)
Annales Zoologici Fennici(1)
Behavioral Ecology(1)
Ecoscience(1)
Changes in Haemoproteus sex ratios: Fertility insurance or differential sex lifespan?
ArticleAbstract: There is little direct evidence of the fitness effects of changes in malaria gametocyte sex ratio. GPalabras claves:Gametocyte sex ratios, Haemoproteus majoris, Haemospororin parasites, Intensity of infection, Malaria parasites, Parus caeruleusAutores:Arriero E., Folgueira C., Merino S., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusBeneficial effects of cloacal bacteria on growth and fledging size in nestling pied flycatchers (Ficedula hypoleuca) in spain
ArticleAbstract: Effects of bacteria on avian hosts in the wild have received little attention until recently. WhereaPalabras claves:Autores:Ballesteros C., Briones V., Merino S., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusA trade-off between two resource-demanding functions: Post-nuptial moult and immunity during reproduction in male pied flycatchers
ArticleAbstract: 1. Costs of reproduction might be mediated by a resource-allocation trade-off between immunity and rPalabras claves:H/L ratio, HSP, immunity, Moult, Moult-breeding overlap, Pied FlycatcherAutores:Merino S., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusFemale ornaments in the Pied Flycatcher Ficedula hypoleuca: Associations with age, health and reproductive success
ArticleAbstract: Female ornamentation has received little attention in studies of sexual selection. Traditionally, fePalabras claves:Autores:Arriero E., Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusExperimental evidence that egg color indicates female condition at laying in a songbird
ArticleAbstract: The signaling hypothesis of eggshell coloration in birds is based on the assumption that females ofPalabras claves:Biliverdin, Color analysis, Egg coloration, Eggshell pigments, Female condition, Food supplement, nutrition, Phenotypic quality, Sexual selection, SignalingAutores:Juan Moreno, Lobato E., Martínez-De La Puente J., Mateo R., Merino S., Morales J., Moreno J., Sanz J.J., Soler J.J., Tomás Gutierrez, G.Fuentes:googlescopusEarly moult improves local survival and reduces reproductive output in female pied flycatchers
ArticleAbstract: Overlapping moult and reproduction might be crucial for long-distance migratory birds, which are timPalabras claves:Ficedula hypoleuca, Haemoproteus, HSP, Life history trade-offs, Local survival, Moult-breeding overlapAutores:Arriero E., Juan Moreno, Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:googlescopusNest weight and female health in the Blue Tit (Cyanistes caeruleus)
ArticleAbstract: We explored two hypotheses that may explain intraspecific variability in nest size. The "thermoregulPalabras claves:blood parasites, Blue tit, Cyanistes caeruleus, immunoglobulin, Nest building, nest size, Sexual selection, Thermoregulation, Trypanosoma aviumAutores:García-Fraile S., Merino S., Morales J., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusNestling cell-mediated immune response, body mass and hatching date as pbkp_redictors of local recruitment in the pied flycatcher Ficedula hypoleuca
ArticleAbstract: Offspring body mass and hatching date have been proposed as useful correlates of post-fledging surviPalabras claves:Autores:Arriero E., Merino S., Morales J., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusMaternal clutch reduction in the pied flycatcher Ficedula hypoleuca: An undescribed clutch size adjustment mechanism
ArticleAbstract: During eight years of study of a population of pied flycatchers Ficedula hypoleuca breeding in centrPalabras claves:Autores:Arriero E., Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopusPredator odour recognition and avoidance in a songbird
ArticleAbstract: 1. Although the ability to detect chemical cues is widespread in many organisms, it is surprising hoPalabras claves:Avian olfaction, Chemical ecology, Cyanistes caeruleus, Predation risk assessment, Provisioning ratesAutores:Amo L., Galván I., Sanz J.J., Tomás Gutierrez, G.Fuentes:scopus