| Titre : | Ardea 104(1) - Spring, 2016 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2016 |
Dépouillements
Article
C. J. Caldwell, Auteur
I examined the foraging and diet energetics of the Great Egret across an upland landscape to compare relative costs and benefits associated with commensal, non-commensal, solitary and group foraging strategies. Across strategies, Great Egrets us[...]
Article
Matyáš Adam, Auteur ;
Michal Podhrázský, Auteur ;
Petr Musil, Auteur
Hunting is a key source of disturbance which affects geese populations directly through killing and indirectly through shooting disturbance. Movements of individuals in response to hunting disturbance may expose geese to reduced feeding opportun[...]
Article
A. H. Jelle Loonstra, Auteur ;
Theunis Piersma, Auteur ;
Jeroen Reneerkens, Auteur
The population of Sanderlings Calidris alba along the East Atlantic flyway has grown considerably during the last decades. Perhaps reflecting this augmented population size, increasing numbers of Sanderling have been reported to stage in the Wad[...]
Article
Lucie E. Schmaltz, Auteur ;
Marta L. Vega, Auteur ;
Yvonne I. Verkuil, Auteur ;
Jos C. E. W. Hooijmeijer, Auteur ;
Theunis Piersma, Auteur
Intensive dairy farming has changed the agricultural grassland areas of The Netherlands profoundly, with negative impacts on the reproduction of the shorebirds breeding there. This modern agricultural landscape also forms a staging site for migr[...]
Article
Christiaan Both, Auteur ;
Rob G. Bijlsma, Auteur ;
Janne Ouwehand, Auteur
Timing of arrival in long-distance migration could have fitness consequences: arrival too early impairs survival chances, whereas arrival too late reduces current reproductive success. Evolution thus may have favoured a phenotype that arrived at[...]
Article
José Alfredo Castillo-Guerrero, Auteur ;
Miriam Lerma, Auteur ;
Eric Mellink, Auteur ;
Edith Suazo-Guillen, Auteur ;
Erik A. Penaloza-Padilla, Auteur
The Brown Booby Sula leucogaster is a seabird with a pantropical distribution across a wide variety of oceanic environments. Sexual size dimorphism in Brown Boobies has been proposed as an explanation for intersexual differences in foraging, but[...]
Article
Robert Gwiazda, Auteur ;
Mateusz Ledwon, Auteur
We studied sex-specific differences in prey returned to nests and eaten by parents in Whiskered Terns Chlidonias hybrida. The species is size-dimorphic, with females being smaller than males. The sex of the birds was determined by molecular anal[...]
Article
Micah N. Scholerl, Auteur ;
Beatriz Martín, Auteur ;
Miguel Ferrer, Auteur ;
Alejandro Onrubia, Auteur ;
Marc J. Bechard, Auteur ;
Greg S. Kaltenecker, Auteur ;
Jay D. Carlisle, Auteur
While alteration of the migratory habits of birds is widely regarded as one of the most evident ecological effects of climate change, studies reporting shifts in migration phenology for long-lived, long-distance migrants have been few. Using tim[...]
