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Crop damage by granivorous birds despite protection efforts by human bird scarers in a sorghum field in western Kenya
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Matthew Hiron --- Department of Ecology, Sweden Diana Rubene --- Department of Ecology, Sweden Collins K Mweresa --- International Centre of Insect Physiology and Ecology, Kenya Yvonne UO Ajamma --- International Centre of Insect Physiology and Ecology, Kenya Eunice A Owino --- International Centre of Insect Physiology and Ecology, Kenya Matthew Low --- Department of Ecology, SwedenCereal crop damage from granivorous birds poses a serious food security problem for subsistence farmers in sub-Saharan Africa. In this region, farmers may rely on human ‘bird scarers’ to limit crop damage. Here we report feeding behaviour and crop damage... -
Primary moult of adult Laughing Doves Spilopelia senegalensis: introduction of the relative duration index and a comparison of moult indices
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Tanya Scott --- University of Cape Town, South Africa Les G Underhill --- University of Cape Town, South Africa George D Underhill --- University of Cape Town, South AfricaA new moult index, the relative duration index (RDI), was developed to quantify progress through moult using the Underhill–Zucchini model of primary avian moult, with the Laughing Dove Spilopelia senegalensis as a case study. The RDI weights individual primaries in...
