Our Changing World for Thursday 23 April 2009

9:46 PM.Alison Ballance visits the main breeding ground of the southern royal albatross with DOC scientist Peter Moore. Read more Audio

9:34 PM.Moa specialist Richard Holdaway investigates whether moa populations were heathy or declining before the arrival of people. Read more Audio

9:20 PM.Evolutionary biologists ask why a high evolution rate in Adelie penguins results in few, if any, morphological changes. Read more Audio

9:06 PM.The final episode of the kakapo series traces the daily routines of managing the flightless parrots. Read more Audio