vogels op waddenzee, birds at wadden sea

calidris canutus eurasian oystercatcher europa europe friesland grey plover haematopus ostralegus herring gull kanoet larus argentatus marc guyt pluvialis squatarola red knot scholekster the netherlands wadden sea waddenzee westhoek zilvermeeuw zilverplevier bird boat boot flight flock flying groep group landscape landschap nederland sailing scheepvaart ship shipping vliegend vlucht vogel zeilboot