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Field observations of defecations and antagonistic interactions ...
GPS, accelerometer and environmental data for individually tracked brent geese ...
O_BALGZAND - Eurasian oystercatchers (Haematopus ostralegus, Haematopodidae) wintering on Balgzand (the Netherlands)
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bathymetric map of Balgzand intertidal area in the Dutch Wadden Sea
Image sequence of bird migration Netherlands and Belgium (2016-10-3) ...
Image sequence of bird migration Netherlands, Germany and Belgium (2017-10-18) ...