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Article
Abel Gyimesi, Auteur ; Theo J. Boudewijn, Auteur ; Roland-Jan Buijs, Auteur ; Judy Z. Shamoun-Baranes, Auteur ; Job W. de Jong, Auteur ; Ruben C. Fijn, Auteur ; Peter W. van Horssen, Auteur ; Martin J. M. Poot, AuteurCapsule: Lesser Black-backed Gulls Larus fuscus breeding 30 km from the coast in the Netherlands focussed entirely on terrestrial food sources and reached relatively high breeding success.Aim: To gain insight in the foraging ecology, habitat use[...]
Article
Abel Gyimesi, Auteur ; Bart van Lith, Auteur ; Bart A. Nolet, AuteurAquatically foraging Bewick's Swans Cygnus bewickii have been repeatedly reported to be accompanied by diving ducks, but the exact nature of this relationship is unclear. Based on field observations, we found a strong correlation between the num[...]
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Abel Gyimesi, Auteur ; Rob Lensink, AuteurDans Wildfowl (62 2012)The Egyptian Goose Alopochen aegyptiaca was introduced as an ornamental species to parks in the Netherlands during the 20th century because of its exotic plumage. Escaped birds started to breed in the wild in 1967, and the species has now coloni[...]
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Abel Gyimesi, Auteur ; Marycha S. Franken, Auteur ; Nicole Feige, Auteur ; Bart A. Nolet, AuteurMeasuring the food left in experimental trays when study organisms cease feeding on them [so-called giving-up densities (GUDs)] is an accepted technique for assessing predation risk and disturbance. However, in natural settings, accessibility an[...]
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Bart A. Nolet, Auteur ; Abel Gyimesi, Auteur ; Bart van Lith, AuteurAfter reproducing successfully, birds with extended parental care form family groups. Despite being the dominant social unit, such family groups have been reported to switch to alternative habitat earlier than adults without offspring, with pote[...]
Article
Bart A. Nolet, Auteur ; Abel Gyimesi, Auteur ; Raymond H. G. Klaassen, Auteur1. The carrying capacity of a site for migratory water birds, expressed in bird-days, can be of particular conservation value. Several attempts have been made to model this carrying capacity using ideal free distribution models such as, for inst[...]
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Bart A. Nolet, Auteur ; Abel Gyimesi, AuteurMany migratory birds use a chain of stopover sites to fuel their migration. Under time-minimizing migration, fuelling time and giving-up density at stopovers are predicted to depend on fuelling conditions. Fluctuations in food accessibility like[...]
