Seven kiwi including two rare white chicks have been killed at a Wairarapa wildlife reserve since March.
A white kiwi at the Pukaha Mt Bruce Wildlife Centre (not one of those killed over the last few months). Photo: SUPPLIED
Pukaha Mt Bruce Wildlife Centre manager Helen Tickner said ferrets were thought to be responsible but they were proving hard to trap.
She said the Department of Conservation was trying different types of bait.