Reed Bunting (Emberiza schoeniclus) Science Article 7 abstract Females of many socially monogamous species accept or even actively seek copulations outside the socialpair bond. As females cannot increase the number of offspring with promiscuous behaviour, the questionarises why they engage in extra-pair mating. Stefan M. Suter et al, Proc. R. Soc. B, 2007 Download article […]
Migration and wintering of Reed Buntings (Emberiza schoeniclus) in Spain.
Reed Bunting (Emberiza schoeniclus) Science Article 2 abstract The migration and wintering patterns in Spain of Reed Buntings were described from ring-recovery data for 451 birds. Differential migration according to the age and sex of birds was also analyzed, paying special attention to latitudinal differences. Recoveries of Reed Buntings in Spain occur mainly on the […]
Habitat use by Reed Bunting Emberiza schoeniclus in an intensively used farmland in Western Poland
Reed Bunting (Emberiza schoeniclus) Science Article 5 abstract The habitat use of the Reed Bunting Emberiza schoeniclus was studied between 1998- 2000 in an intensive cultivated agricultural landscape in western Poland. Birds occupied only wet marginal habitats such as small reedbeds, marshes, meadows and drainage ditches. Reed Buntings located their territories at the edges of […]
The breeding ecology of Reed Buntings Emberiza schoeniclus in farmland and wetland habitats in lowland England
Reed Bunting (Emberiza schoeniclus) Science Article 6 abstract We studied the nesting and feeding ecology of Reed Buntings Emberiza schoeniclus breeding on farmland and wetland habitats along the Trent Valley in Nottinghamshire, England. Rank and emergent vegetation accounted for most nests and most foraging by provisioning adults. Caterpillars and spiders accounted for 70% of chick […]
Abundance variations, survival and site fidelity of Reed Buntings Emberiza schoeniclus wintering in central Spain
Reed Bunting (Emberiza schoeniclus) Science Article 4 abstract Populations of the Reed Bunting (Emberiza schoeniclus) have suffered serious declines in western Europe during the last three decades. However, information on population parameters of migratory populations in their wintering quarters are scarce. Here, we examine variations in abundance, apparent survival and philopatry ofReedBuntings wintering in central […]
Autumn migration of Reed Buntings Emberiza schoeniclus in Switzerland
Reed Bunting (Emberiza schoeniclus) Science Article 1 abstract To elucidate the migration strategies of Reed Buntings Emberiza schoeniclus migrating through Central Europe, we analysed data from 595 Reed Buntings ringed at La Touviere, Rhone River, Geneva, Switzerland, during the autumn migration from September to November 2004. These data were used to investigate age, sex, biometrics […]
Foraging behavior of the Reed Bunting (Emberiza schoeniclus) breeding in a farmland-a preliminary results
Reed Bunting (Emberiza schoeniclus) Science Article 3 abstract Use of crops as foraging areas by Reed Bunting (Emberiza schoeniclus) breeding in mid-field marsh patches was studied in 1999. Surveys were performed on 8 marshes with about 22 breeding pairs. The area of the marshes ranged from 0.1 to 8.1 ha. The surroundings were dominated by […]
Mercury exposure to Red-throated Divers [Gavia stellata] and Black-throated Divers [Gavia arctica] in Sweden
Red-throated Loon (Gavia stellata) Science Article 3 abstract We investigated concentration of mercury in eggs of Redthroated Diver [Gavia stellata] and Black-throated Diver [Gavia arctica] collected in South and Central Sweden, 1981-1997. In South Sweden (Sydsvenska Hoglandet), mean concentration in Red-throated Diver eggs was remarkably high (6.84 ppm dry weight, 5 pairs), or more than […]
Effect of nest-site location on reproductive success of red-throated loons Gavia stellata
Red-throated Loon (Gavia stellata) Science Article 2 abstract The Red-throated Loon (Gavia stellata) nests on the shores of freshwater ponds of the Arctic tundra and forages in nearby marine waters. We examined the effects of distance of the nest from foraging waters and of microclimate at the nest site on the loon’s reproductive success. As […]
Feeding schedule and daily food consumption in red-throated loons (Gavia stellata) over the prefledging period
Red-throated Loon (Gavia stellata) Science Article 1 abstract We describe parental feeding activities of Red-throated Loons (Gavia stellata) throughout the prefledging period at two freshwater nesting territories in coastal British Columbia. The nesting lake contained resident fish populations, but adult loons fed marine fish to their young, making an average of 11 flights per day […]