VOSLAMBER B & POORTER E (1996) Dutch Ornithological Union Themeday Marsh birds and management: Dutch or European spoonbills: How flexible is the breeding ground fidelity and how vulnerable the population?. LIMOSA 69 (2): 81-81.

Dutch Ornithological Union Themeday Marsh birds and management: Dutch or European spoonbills: How flexible is the breeding ground fidelity and how vulnerable the population?

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