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About: Theunis Piersma     Goto   Sponge   NotDistinct   Permalink

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Theunis Piersma (born 15 June 1958) is a Dutch ornithologist, ecologist, and educator. He is among the most influential ornithologists, particularly in the wader bird area, in the world. He specifically looks at waders and correlations between flock size and distribution, climate, food, predators, pathogens, and their historical-genetic background. RTV Drenthe referred to him in 2012 as the "first migratory bird professor in the world."