Busard cendré
Rare bird species such as the common tern and the snipe may be encountered here. White-tailed eagle, Montagu's harrier, marsh harrier, red kite, black kite, kestrel, hobby, honey buzzard and common buzzard are also found here. Access to the island is forbidden; like the west shore of the Neuwarper See it is part of the "Altwarp Inland Dunes, Neuwarper See and Riether Werder Nature Reserve".