Stitchbirds, extinct on the mainland in the 1880s, but survived on predator-free islands and being reintroduced in sanctuaries like Tiritiri Matangi, Hauraki Gulf, North Island, New Zealand, Pacific

The tui, a beautiful mockingbird-like songbird, at Tiritiri Matangi island sanctuary, Hauraki Gulf, North Island, New Zealand, Pacific

The tui, a beautiful mockingbird-like songbird, at Tiritiri Matangi island sanctuary, Hauraki Gulf, North Island, New Zealand, Pacific

A bellbird, one of New Zealand's most melodious native songbirds, on Tiritiri Matangi sanctuary island, Hauraki Gulf, North Island, New Zealand, Pacific

The tui, a beautiful mockingbird-like songbird, at Tiritiri Matangi island sanctuary, Hauraki Gulf, North Island, New Zealand, Pacific