Mostrando 10 resultados de: 29
Determinants of abundance and effects of blood-sucking flying insects in the nest of a hole-nesting bird
ArticleAbstract: Compared to non-flying nest-dwelling ectoparasites, the biology of most species of flying ectoparasiPalabras claves:Biting midges, black flies, Blood parasite-vector-vertebrate host relationship, Cyanistes caeruleus, Nest massAutores:Juan Moreno, Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Tomás Gutierrez, G.Fuentes:googlescopusCorticosterone metabolites in blue tit and pied flycatcher droppings: Effects of brood size, ectoparasites and temperature
ArticleAbstract: The hypothalamic-pituitary-adrenal (HPA) axis of birds induces the secretion of corticosterone (CORTPalabras claves:Brood size, Corticosterone, Cyanistes caeruleus, Droppings, ectoparasites, Ficedula hypoleuca, Parus caeruleus, weather conditionsAutores:Kuchar A., Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Möstl E., Osorno J.L., Tomás Gutierrez, G.Fuentes:scopusCarotenoid-based plumage colouration is associated with blood parasite richness and stress protein levels in blue tits (Cyanistes caeruleus)
ArticleAbstract: Carotenoids are molecules that birds are not able to synthesize and therefore, must be acquired throPalabras claves:Bird, health status, Heat shock proteins, multiple infections, Yellow breastAutores:Del Cerro S., Juan Moreno, Juan Rivero-De-Aguilar, Lobato E., Martínez J., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Ruiz-de-Castañeda R., Tomás Gutierrez, G.Fuentes:googlescopusAre eggshell spottiness and colour indicators of health and condition in blue tits Cyanistes caeruleus?
ArticleAbstract: We explore the relationship between general eggshell colour (background and spots) and proportion ofPalabras claves:Autores:García-Fraile S., Juan Moreno, Lobato E., Martínez J., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Tomás Gutierrez, G.Fuentes:googlescopusFemale 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:scopusFemale-female competition is influenced by forehead patch expression in pied flycatcher females
ArticleAbstract: There is increasing evidence that sexual selection operates in females and not only in males. HowevePalabras claves:Aggression, COMMUNICATION, Female competition, female ornamentation, Ficedula hypoleuca, Intrasexual selection, Sexual selection, SignalingAutores:Gordo O., Ippi S., Juan Moreno, Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Tomás Gutierrez, G.Fuentes:googlescopusEvidence for the signaling function of egg color in the pied flycatcher Ficedula hypoleuca
ArticleAbstract: A recent hypothesis proposes that the bright colors, especially blue and green, of many avian eggs mPalabras claves:Antioxidants, Egg color, Female signaling, Immunocompetence, Sexual selectionAutores:Juan Moreno, Lobato E., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Tomás Gutierrez, G.Fuentes:googlescopusExperimental 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:googlescopusEffects of parental effort on blood stress protein HSP60 and immunoglobulins in female blue tits: A brood size manipulation experiment
ArticleAbstract: 1. Physiological stress in animals may impose a limit for investment in current reproduction in thePalabras claves:Haemoproteus, Heat-shock proteins, parasites, parental investment, Reproductive stressAutores:Martínez J., Martínez-De La Puente J., Merino S., Morales J., Moreno J., Osorno J.L., Tomás Gutierrez, G.Fuentes:scopus