The birds (Aves) of Oromia, Ethiopia – an annotated checklist by Kai Gedeon, Chemere Zewdie, Till Töpfer

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Morphology and morphometry of two hybridizing buntings at their hybrid zone in northern Iran reveal intermediate and transgressive morphotypes by Ali Gholamhosseini, Mansour Aliabadian, Till Töpfer, Glenn-Peter Sætre

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Occupancy of the Ethiopian endemic Moorland Francolin in pristine and degraded Afroalpine biome using a camera trap approach by Abadi Mehari Abrha, Kai Gedeon, Lars Podsiadlowski, Demis Mamo Weldesilasie, Till Töpfer

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The Occurrence of Quill Mites (Arachnida: Acariformes: Syringophilidae) on Bee-Eaters (Aves: Coraciiformes: Meropidae: <i>Merops</i>) of Two Sister Clades by Maciej Skoracki, Jakub Z. Kosicki, Bozena Sikora, Till Töpfer, Jan Hušek, Markus Unsöld, Martin Hromada

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Speciation and population divergence in a mutualistic seed dispersing bird by Jordi de Raad, Martin Päckert, Martin Irestedt, Axel Janke, Alexey P. Kryukov, Jochen Martens, Yaroslav A. Red’kin, Yuehua Sun, Till Töpfer, Matthias Schleuning, Eike Lena Neuschulz, Maria A. Nilsson

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Direct and plant‐mediated effects of climate on bird diversity in tropical mountains by Maximilian G. R. Vollstädt, Jörg Albrecht, Katrin Böhning‐Gaese, Andreas Hemp, Kim M. Howell, Laura Kettering, Alexander Neu, Eike Lena Neuschulz, Marta Quitián, Vinicio E. Santillán, Till Töpfer, Matthias Schleuning, Susanne A. Fritz

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