Species of global conservation concern that do not meet IBA criteria: Aythya nyroca (passage), Crex crex (2-6 breeding pairs) and Acrocephalus paludicola (passage).
Protected areas
National Low International Partial120 ha of IBA covered by Nature Reserve (Ilkerbruch, 120 ha). IBA overlaps with Special Protection Area (Barnbruchwiessen, 243 ha).