https://digilab.uwr.edu.pl/en/dlibra/publication/121245/breeding-biology-and-behaviour-of-the-willie-wagtail-rhipidura-leucophrys-in-the-madang-region-papua-new-guinea-dyrcz-andrzej
Breeding biology and behaviour of the Willie Wagtail Rhipidura leucophrys in the Madang Region,...
the willie wagtail