Détail de l'auteur
Documents disponibles écrits par cet auteur (11)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Paulo V. Q. Zima, Auteur ; Daniel F. Perrella, Auteur ; Mercival R. Francisco, AuteurMasquerading is a camouflage strategy in which the prey (here, the nests) have visual similarities to inedible objects or structures present in the surrounding environment to avoid correct identification by visually oriented predators. Here we i[...]
Article
Paulo V. Q. Zima, Auteur ; Daniel F. Perrella, Auteur ; Mercival R. Francisco, AuteurSeveral hypotheses have been proposed to account for the function of eggshell pigmentation. One predicts that patterns of colour and markings provide camouflage against visually oriented nest predators. However, the effectiveness of any anti-pre[...]
Article
First description of nests, eggs, and nestlings of the Pearly-bellied Seedeater (Sporophila pileata)
Maikon S. Freitas, Auteur ; Cesar A. B. Medolago, Auteur ; Mariellen C. Costa, Auteur ; Marina Telles, Auteur ; Mercival R. Francisco, Auteur ; Jose Carlos Motta-Junior, Auteur
Article
Crisley de Camargo, Auteur ; H. Lisle Gibbs, Auteur ; Mariellen C. Costa, Auteur ; Luís F. Silveira, Auteur ; Cláudia A. Rainho, Auteur ; Paulo E. M. Ribolla, Auteur ; Adriane P. Wasko, Auteur ; Mercival R. Francisco, AuteurIn birds, there are two main models for the determination of sex: the ‘Z Dosage’ model in which the number, or dose, of Z chromosomes determines sex, and the ‘Dominant W’ model which argues that a specific gene in the W chromosome may influence [...]
Article
Paulo V. Q. Zima, Auteur ; Daniel F. Perrella, Auteur ; Carlos H. Biagolini-Jr., Auteur ; Lais Ribeiro-Silva, Auteur ; Mercival R. Francisco, AuteurABSTRACT.? Manakins are small frugivorous birds found in the understory of humid Neotropical forests. Although aspects of their complex sexual displays have been addressed in various studies, their nesting biology is poorly documented. The Blue [...]
Article
Cesar A. B. Medolago, Auteur ; Flávio K. Ubaid, Auteur ; Mercival R. Francisco, Auteur ; Luís F. Silveira, AuteurABSTRACT Seed-finches are Neotropical passerines highly specialized in the consumption of grass seeds. Most species are endangered because of the conversion of native grasslands into agricultural fields, and they are among the main victims of tr[...]
Article
Daniel F. Perrella, Auteur ; Carlos H. Biagolini-Júnior, Auteur ; Lais Ribeiro-Silva, Auteur ; Paulo V. Q. Zima, Auteur ; Pedro M. Galetti, Auteur ; Mercival R. Francisco, AuteurABSTRACT Here, we describe nests, eggs, and nestlings of the monotypic Star-throated Antwren, Rhopias gularis (formerly Myrmotherula gularis), found at Carlos Botelho State Park, in Atlantic Forest in the state of S?o Paulo, Brazil. Nests were p[...]
Article
Article
Article
Paulo V. Davanço, Auteur ; Lívia MS Souza, Auteur ; Leonardo S. de Oliveira, Auteur ; Mercival R. Francisco, Auteur
