A southern right whale swims in the harbour in Wellington on July 6, 2018. The whale's presence has forced a fireworks for the Maori New Year to be postponed. Marty Melville / AFP
A southern right whale swims in the harbour in Wellington on July 6, 2018. The whale's presence has forced a fireworks for the Maori New Year to be postponed. Marty Melville / AFP

New Zealand postpones fireworks as frolicking whale puts on a display