In 1955–56 a friendly dolphin known as Opo became a celebrity, drawing thousands of visitors to the sleepy town of Opononi on the Hokianga Harbour. Enjoying human company, Opo performed tricks and let children ride on her back. Archival audio: Archives New Zealand – Te Rua Mahara o te Kāwanatanga, http://www.archives.govt.nz/ Pictorial Parade 47. National Film Unit, 1956.