In Ngāti Awa traditions, Rongo is a son of Tāne and father of the kūmara, but a man named Rongo-māui travels to the star Whānui, obtains the kūmara and returns to Earth with it.
In 2005, Busch arranged the exchange of New Zealand's first natively-born white tigers Tane and Aotea (born January 2005), and later Kiwi and Rongo (Born October 2, 2005) with a white lion cub named Gandor from the Rhino & Lion Nature Reserve near Johannesburg.