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Gulls and plovers : the ecology and behaviour of mixed-species feeding groups
Barnard, C. J.
Bok Engelsk 1985 · Vis mer
Handbuch der Vögel Mitteleuropas. 6. Charadriiformes

Bok Tysk 1975 · Vis mer
The dotterel
Nethersole-Thompson, Desmond
Bok Engelsk 1973 · Vis mer