| Titre : | Ardea 104(2) - October, 2016 |
| Type de document : | Bulletin |
| Paru le : | 01/10/2016 |
Dépouillements
Article
Emilio Pagani-Nunez, Auteur ;
Juan Carlos Senar, Auteur
Carotenoid-based ornaments have been proposed to signal the ability to find food. The good-parent hypothesis suggests that females may rely on these carotenoid-based traits to assess male parental quality. A key question is whether the quality o[...]
Article
Martijn Versluijs, Auteur ;
Chris A. M. Van Turnhout, Auteur ;
David Kleijn, Auteur ;
Henk P. van der Jeugd, Auteur
Declines in farmland bird populations are often linked to changes in agricultural practices, but little is known about the demographic changes underlying these adverse trends. Identifying the demographic drivers of population change is critical [...]
Article
Grzegorz Hebda, Auteur ;
Tomasz Wesolowski, Auteur ;
Patryk Rowinski, Auteur
Forest management usually reduces the diversity and amount of substrates in which woodpeckers can excavate holes. In such conditions the recorded patterns of nest site selection could reflect a more reduced array of substrates than the species' [...]
Article
Article
Maciej Filipiuk, Auteur ;
Marek Kucharczyk, Auteur
The Little Bittern is one of the least studied heron species in its breeding range. The nominate, Palaearctic race Ixobrychus m. minutus has been generally assumed to be single-brooded only, yet detailed studies of its breeding biology and matin[...]
Article
Pengfei Liu, Auteur ;
Yuehua Sun, Auteur
Many bird species express sexual dimorphism in body size, which is one of the most significant targets of natural and sexual selection, for it is tightly linked with fitness. During field studies in the breeding season of 2013 and 2014, we found[...]
Article
Igor Berkunsky, Auteur ;
Luciano N. Segura, Auteur ;
Rosana M. Aramburu, Auteur ;
Román A. Ruggera, Auteur ;
Walter S. Svagelj, Auteur ;
Juan C. Reboreda, Auteur
In this study we analyse factors affecting nest survival in Blue-fronted Parrots Amazona aestiva breeding in the Chaco region of northern Argentina. We combined temporal and environmental variables in order to determine which best explain variat[...]
Article
Leticia Soares, Auteur ;
GRACIELA Escudero, Auteur ;
Victor A. S. Penha, Auteur ;
Robert E. Ricklefs, Auteur
Although shorebirds (Charadriiformes: suborders Scolopaci and Charadrii) face physiological stress during migration and experience a wide range of vector-suitable habitats across their distributions, haemosporidian parasites (order Haemosporida)[...]
Article
Lotte Schlicht, Auteur ;
Bart Kempenaers, Auteur
Many bird species use specific vocalizations in the context of courtship or (attempted) copulations. These vocalizations can be used to gain information about the courtship behaviour of individuals, even when courtship or copulation behaviour it[...]
