Our Changing World

A team of biologists explain the rich repertoire of regional kokako dialects. Audio

Tertia Thurley and Morag Fordham search for kokako nests on the island sanctuary. Audio

Alison Ballance heads out to a Northland beach to find New Zealand fairy terns, our rarest birds. Audio

Ecologist Colin Miskelly and marine biologist David Schiel discuss a newly revised landmark book about the Chatham Islands. Audio

Massey University scientist Barbara Egli tries to work out family connections between the island's robins. Audio

This feature marks the centenary since Ernest Rutherford received New Zealand's first Nobel Prize. Audio

Te Papa history curator Kirstie Ross has written a book called Going Bush: New Zealanders and Nature in the 20th Century. Audio

A 23-million year old volcanic crater in inland Otago has a rich fossil biota and hoods clues to ancient carbon dioxide levels. Audio

NIWA marine scientists Di Tracey and Helen Neil work on deepsea corals, a diverse but little known group of organisms. Audio

Leila Walker and Rose Thorogood take Alison Ballance to check out hihi nests on Tiritiri Matangi Island. Audio

Victoria University anthropologist Jeff Sissons explains the destruction of marae in eastern Polynesia during the 19th century. Audio

James Hector was one of New Zealand's great men of science and established the country's major scientific institutions. Audio