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Article
Volker Salewski, Auteur ; Bettina Almasi, Auteur ; Agneta Heuman, Auteur ; Marco Thoma, Auteur ; Adrian Schlageter, AuteurRecords of interspecific agonistic behaviour of Palaearctic passerine migrants from their Afrotropical wintering grounds are rare. There are, however, no detailed observations from stopover sites where individuals might concentrate and depress r[...]
Article
Volker Salewski, Auteur ; Bettina Almasi, Auteur ; Adrian Schlageter, AuteurNectarivory of long-distance Palearctic migrants is known from Europe but there are few reports of nectar as a resource for migrants in Africa. Migrants feeding on nectar were regularly observed in the oasis of Ouadane, a stopover site in the we[...]
