Thirty saddleback (tieke) were released on Ulva Island in May 2000. : Birds of paradise - exploring Ulva Island

Ulva Island in Paterson Inlet, Stewart Island. : Birds of paradise - exploring Ulva Island

The Stewart Island weka is a large, brown flightless bird that has a famously feisty and curious personality. : Birds of paradise - exploring Ulva Island

A South Island robin (toutouwai) bachelor will sing for up to 30 minutes to attract a female. : Birds of paradise - exploring Ulva Island

Jane Dawber and Ate Heineman enjoy watching a kereru sitting above the track. : Birds of paradise - exploring Ulva Island

For a threatened species, mohua have a relatively high reproductive rate. Each year they can lay up to four eggs and once these have hatched and fledged the pair can raise another brood. After a serious decline largely due to rat predation, today... : Birds of paradise - exploring Ulva Island

A wood pigeon (kereru) shows little fear of passing humans. : Birds of paradise - exploring Ulva Island

The shy brown creeper (pipipi) move about in groups in the forest and scrub, calling to each other constantly as they hunt for food. : Birds of paradise - exploring Ulva Island

Kakariki, the red-crowned parakeet, was widespread throughout the mainland last century but today is very rare there and only common on islands free of mammalian predators. : Birds of paradise - exploring Ulva Island