the victorian sumpter wharf on oamaru harbour is a roosting site for sea gulls and shags, oamaru, otago, south island, new zealand

animal avian bird black breeding chalconotus coast coastal colony cormorant cormorants east endangered endemic feather feathered fisher harbour island jetty leucocarbo maori native natural nature new ocean ornithologist ornithology otago parekareka peninsula pier plumage punctatus resting sea seabird shag shags shore south southland spotted stictocarbo sumpter water wharf wildlife zealand