OBAN, NEW ZEALAND - MAY 10:  Prince Harry walks through a rainforest as he visits the open wildlife sanctuary of Ulva Island on May 10, 2015 in Stewart Island, New Zealand. Prince Harry is in New Zealand from May 9 through to May 16 attending events in Wellington, Invercargill, Stewart Island, Christchurch, Linton, Whanganui and Auckland.  (Photo by Chris Jackson/Getty Images)