Red-billed gull

The Red-billed gull (Chroicocephalus novaehollandiae scopulinus), The red-billed gull (Chroicocephalus novaehollandiae scopulinus), also known as tarāpunga and as the mackerel gull, is a native seagull of New Zealand, being found throughout the country and on outlying islands including the Chatham Islands and subantarctic islands. It was formerly considered a separate species but is now usually treated as a subspecies of the silver gull (Chroicocephalus novaehollandiae)