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Article
Martjan Lammertink, Auteur ; Cecilia Kopuchian, Auteur ; Hanja B. Brandl, Auteur ; Pablo L. Tubaro, Auteur ; Hans Winkler, AuteurThe Helmeted Woodpecker Dryocopus galeatus is a threatened species of the Atlantic Forest in southeastern South America. It has traditionally been placed in the genus Dryocopus, but it shows similarities in plumage and structure with woodpeckers[...]
Article
Hans Winkler, Auteur ; Karl Schulze Hagen, Auteur
Article
Bernd Leisler, Auteur ; Hans Winkler, AuteurIn this paper, we take a closer look into the evolution of Acrocephalus warblers on islands in the Atlantic, Indian and Pacific Oceans. The shape-related morphological evolution of island species is characterized by changes in the hind limb, fli[...]
Article
Jens Hering, Auteur ; Hans Winkler, Auteur ; Frank D. Steinheimer, AuteurA new subspecies of European Reed Warbler Acrocephalus scirpaceus is described from the Egypt / Libya border region in the northern Sahara. Intensive studies revealed the new form to be clearly diagnosable within the Eurasian / African Reed Warb[...]
Article
Wouter F. D. van Dongen, Auteur ; Rodrigo A. Vásquez, Auteur ; Hans Winkler, AuteurInterspecies hybridisation frequently occurs when the distributional ranges of two closely-related species overlap after a period of geographic isolation. From a conservation perspective, such hybridisation events can incur detrimental effects o[...]
