breeding black-headed gulls on the landscaped shell beach isle

animal animals beach bird blackheaded botanic brackish breeding cane chroicocephalus coast colony europe flight floral flying grass group gull gulls holland hoorn hulk island landje landscape material naber nature nest nesting netherlands north northholland ornithology plant reeds reserve ridibundus sea seafront seagulls seashell seashore seaside shell shellbeach shore soaring the van water westfriesland wild wildlife