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  1. Migration patterns of the Osprey <em>Pandion haliaetus</em> on the Eastern European–East African flyway

    Migration patterns of the Osprey Pandion haliaetus on the Eastern European–East African flyway

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ülo Väli --- Department of Zoology, Estonia Urmas Sellis --- Eagle Club, Estonia
    We analysed migration strategies of the Osprey Pandion haliaetus on the poorly studied Eastern European–East African flyway. Four adult birds were equipped with GPS-based satellite-transmitters or data-loggers in their breeding sites in Estonia (north-eastern Europe) and tracked to their wintering...
  2. Population trends of resident and migrant West African bird species monitored over an 18-year period in central Nigeria

    Population trends of resident and migrant West African bird species monitored over an 18-year period in central Nigeria

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joy Akpanta Ishong --- AP Leventis Ornithological Research Institute, Nigeria Joseph K Afrifa --- AP Leventis Ornithological Research Institute, Nigeria Soladoye B Iwajomo --- AP Leventis Ornithological Research Institute, Nigeria Justus P Deikumah --- AP Leventis Ornithological Research Institute, Nigeria Samuel T Ivande --- AP Leventis Ornithological Research Institute, Nigeria Will Cresswell --- AP Leventis Ornithological Research Institute, Nigeria
    Almost no systematic monitoring of bird population trends occurs in West Africa, despite rapid human population increase, habitat change, and climate change, making conservation planning problematic. We monitored bird population trends using constant-effort mist netting, in a newly protected area...