Chlidonias niger 1, Zwarte stern, Saxifraga-Arie de Knijff Chlidonias niger 2, Zwarte stern, Saxifraga-Arie de Knijff Chlidonias niger 3, Zwarte stern, Saxifraga-Mark Zekhuis Chlidonias niger 4, Zwarte stern, Saxifraga-Mark Zekhuis
Chlidonias niger 5, Zwarte stern, Saxifraga-Mark Zekhuis Chlidonias niger 6, Zwarte stern, artificial nest, Saxifraga-Piet Munsterman Chlidonias niger 7, Zwarte stern, Saxifraga-Jelmer Reyntjes : Chlidonias niger, Waal, millingerwaard, rivier, stern, uiterwaard, vogels, zwaan, zwarte stern Chlidonias niger 8, Zwarte stern, Saxifraga-Mark Zekhuis
Chlidonias niger 9, Zwarte stern, Saxifraga-Mark Zekhuis Chlidonias niger 10, Zwarte Stern, Saxifraga-Henk Baptist Loslaten geringde Zwarte stern  Releasing a just ringed/banded Black Tern (Chlidonias niger), Holland : band banding, bird migration, Black tern, Chlodonias niger, color, colour, Dutch, Europe European, Holland, horizontal, nature natural, Netherlands, ring ringing Chlidonias niger 13, Zwarte stern, Saxifraga-Tom Heijnen
Chlidonias niger 14, Zwarte stern, Saxifraga-Tom Heijnen