A colony of Pied Shags nesting in a Macrocarpa tree over a lake

zealandia macrocarpa tree nest karuhiruhi branches lake branch nature river cormorant pond water phalacrocorax varius reserve wildlife chordata colony fauna nesting pied shag new zealand bird coast moss wellington sticks native ocean wild bathing cleaning sun shag coastal wing white gannet bath grooming grey still feathers fish black beach sitting wings pied