Professor Hamish Spencer says mohua, are not only one of our most accomplished vocalists, but visually striking species.
But like many of Aotearoa's native birds, its population has been decimated by invasive pest species - the easiest way to spot a mohua these days is on predator-free Ulva Island - off Rakiura/Stewart Island
Hamish speaks to Jesse.
The endangered Mohua. Photo: DOC via LDR
