Tonight for Nights science, the mysterious ultra-marathon runner of the bird world: our very own bar-tailed godwit.
Their 12,000 kilometre migration from their home in New Zealand to Alaska is the longest non-stop trip of any bird species, and a new UN report is shining a light on its shrinking habitat.
Dr Phil Battley is an associate professor of Zoology at Massey University and he joins Emile Donovan.
bar tailed godwit in flight. Photo: Peter Langlands Wild Capture 2020
