Nine species of gastrointestinal helminths were found in southern black-backed gulls (Larus dominicanus Lichstenstein, 1823) from Otago Peninsula. Eight of these, Parorchis acanthus, Echinostoma revolutum and Echinoparyphium recurvatum (Trematoda), Dildotaenia latovarium and Hymenolepis alaskensis (Cestoda), Sciadiocara tarapunga (Nematoda), and Profilicollis antarcticus and P. novaezelandensis...