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Article
Lucie E. Schmaltz, Auteur ; A. H. Jelle Loonstra, Auteur ; Eddy Wymenga, Auteur ; Keith A. Hobson, Auteur ; Theunis Piersma, AuteurInternational conservation efforts for migratory populations are most effectively based on quantification of the geographical linkages between wintering, staging, and breeding areas, patterns that may not remain constant in times of global chang[...]
Article
Leo Zwarts, Auteur ; Rob G. Bijlsma, Auteur ; Jan Van der Kamp, Auteur ; MARTEN Sikkema, Auteur ; Eddy Wymenga, AuteurIn West Africa, tree preferences of wintering migratory birds (and African residents) were quantified in order to assess the importance of wintering conditions on distribution, abundance and trends of insectivorous woodland birds. This study enc[...]
Article
Leo Zwarts, Auteur ; Jan Van der Kamp, Auteur ; Erik Klop, Auteur ; MARTEN Sikkema, Auteur ; Eddy Wymenga, AuteurMangrove forests attract many insectivorous birds. Bird density in West African mangroves in January-March 2014 is higher in Avicennia (21 birds/ha canopy) than in Rhizophora (11 birds/ha). The Palearctic species are dominant in the most norther[...]
Article
Jos C. E. W. Hooijmeijer, Auteur ; Nathan R. Senner, Auteur ; T. Lee Tibbitts, Auteur ; Robert E. Gill, Auteur ; David C. Douglas, Auteur ; Leo W. Bruinzeel, Auteur ; Eddy Wymenga, Auteur ; Theunis Piersma, AuteurConservation of long-distance migratory shorebirds is complex because these species use habitats spread across continents and hemispheres, making identification of critical habitats and potential bottlenecks in the annual cycle especially diffic[...]
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Article
Meinte Engelmoer, Auteur ; Johan Taal, Auteur ; Eddy Wymenga, Auteur ; Robert Kuipers, AuteurDans Limosa (74(2) 2001)Until recently, the Frisian Wadden Sea coast (Fig. 1) harboured the largest concentrations of Brent Geese during spring migration in The Netherlands. The area is also one of the principal wintering sites for Barnacle Geese in The Netherlands, an[...]
Article
Eddy Wymenga, AuteurDans Limosa (72(3) 1999)In July 1995 at Lake Yssel, off the Frisian coast, an Egyptian goose was observed drowning four chicks of a nearby pair of Shelduck. Despite heavy calls of the Shelducks the chicks were grasped and successively drowned. Though aggressive behavio[...]
Article
Yvonne I. Verkuil, Auteur ; Natalia Karlionova, Auteur ; Eldar N. Rakhimberdiev, Auteur ; Joop Jukema, Auteur ; Jan J. Wijmenga, Auteur ; Jos C. E. W. Hooijmeijer, Auteur ; PAVEL Pinchuk, Auteur ; Eddy Wymenga, Auteur ; Allan J. Baker, Auteur ; Theunis Piersma, AuteurThe fuelling performance of long-distance migrants at staging areas indicates local conditions and determines the viability of migration routes. Here we present a first case study where long-term fuelling performance was documented along two mig[...]
Article
Eddy Wymenga, Auteur
Article
Joop Jukema, Auteur ; Eddy Wymenga, Auteur ; Theunis Piersma, AuteurDans Limosa (74(1) 2001)During their northward migration Ruffs stop over in the province of Friesland in the northern part of The Netherlands. The central and southwestern part of this province is one of the major spring staging sites of Ruffs in Western Europe. In spr[...]
