| Titre : | Ardea 108(2) - NOV 2020 |
| Type de document : | Bulletin |
| Paru le : | 01/11/2020 |
Dépouillements
Article
Sergio Delgado, Auteur ;
Asier Aldalur, Auteur ;
Alfredo Herrero, Auteur ;
Juan Arizaga, Auteur
Important biological parameters, such as movement and survival, can differ substantially between sexes, driving the demographic patterns of a population. Sex-dependent spatial segregation at the foraging grounds can evolve as a mechanism to redu[...]
Article
Alfréd Trnka, Auteur
Artificial fishponds are assumed to be suitable alternative habitat for many waterbirds including fish-eating predators such as herons. However, fish farming may lead to contrasting consequences for birds breeding in these biotopes and act as an[...]
Article
Mark E. Hauber, Auteur ;
SACHA K. HEATH, Auteur ;
Christopher M. Tonra, Auteur
Avian obligate brood parasitism is a specialised life history strategy that may impact the dispersal of juvenile and adult parasites when compared with nonparasitic (parental) bird species. In contrast to expectations, however, several brood par[...]
Article
Miguel Yanez-Alvarado, Auteur ;
Alberto G. Gantz, Auteur
The Black-faced Ibis Theristicus melanopis builds numerous nests in some trees but avoids others, suggesting that particular attributes of trees are selected for. In this study we test the hypothesis that the number of primary stems rising from [...]
Article
Caroline Howes, Auteur ;
Patrik Byholm, Auteur ;
Craig T. Symes, Auteur
Decreases in suitable habitat due to loss and fragmentation on the African non-breeding grounds are believed to be a driver of the declines in Palaearctic migrants. However, the effects of habitat loss and fragmentation on individual migrants ha[...]
Article
Rodrigo Barros, Auteur ;
Fernando Medrano, Auteur ;
Rodrigo Silva, Auteur ;
Fabrice Schmitt, Auteur ;
Vinko Malinarich, Auteur ;
Daniel Teran, Auteur ;
Ronny Peredo, Auteur ;
Cristian Pinto, Auteur ;
Antulemu Vallverdu, Auteur ;
Jerome Fuchs, Auteur ;
Heraldo Norambuena, Auteur
The White-vented Storm-petrel Oceanites gracitis is one of the world's least known seabirds and is listed as Data Deficient by the IUCN. To date, only one breeding colony, with less than ten pairs, is known from the Chungungo Islet in Chile. To [...]
Article
Mihaela Ciobota, Auteur ;
Dumitru Murariu, Auteur ;
Andreea Ciobota, Auteur
Migrant water birds such as Black Storks Ciconia nigra have progressively started capitalizing on man-managed ecosystems during migration. Behavioural and ecological studies at stopovers are thus key to deliver comprehensive conservation policie[...]
Article
Nasrine Saad, Auteur ;
Saâd Hanane, Auteur ;
Kamilia Farhi, Auteur ;
Mohamed Dhaya El Hak Khemis, Auteur
Identifying the factors that influence nest survival insympatric species is important for the proper and effective management of their breeding populations. We used logistic-exposure models to estimate the daily survival rate and evaluate habita[...]
Article
Gerard Bota, Auteur ;
Juan Traba, Auteur ;
Francesc Sarda-Palomera, Auteur ;
David Giralt, Auteur ;
Cristian Pérez-Granados, Auteur
The use of Autonomous Recording Units (ARUs) for wildlife monitoring has increased in recent years. Acoustic monitoring has been used for a wide range of research topics, but it has rarely been used for monitoring wildlife migrations. In this wo[...]
Article
N. E. van Brederode, Auteur ;
H. J. Roersma, Auteur
For five consecutive years (2001-2005), during a one-month period in August-September, we studied the turnover of juvenile Ruddy Turnstones Arenaria interpres at a tidal area along the Dutch coast, by colour-marking cohorts of migrants. Taking t[...]



