white herons, maori name kotuku, in breeding plumage at waitangiroto nature reserve, south westland, west coast, new zealand

nesting nests ardea alba great egret common large white heron kotuku endangered critically rare bill beak longnecked zealand south island threatened native birds feathers plumage avian wings legs sanctuary breeding colony whataroa westland okarito kahikatea waitangiroto nature reserve nest department conservation doc blue adult bad hair day bird katuku maori herons name kåtuku west coast aotearoa