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Seasonal variation in hematocrit levels of Amethyst Sunbirds (Chalcomitra amethystina) over an altitudinal gradient

Claire V. Lindsay, Auteur ; Colleen T. Downs, Auteur ; Mark Brown, Auteur

Dans Journal of Ornithology (151(4) OCT 2010)

The distribution range of Amethyst Sunbirds (Chalcomitra amethystina) within southern Africa includes an altitudinal gradient from the Drakensberg to the coast of KwaZulu-Natal. We expected that, over this altitudinal gradient, Amethyst Sunbirds[...]

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