An aerial 1080 operation in Egmont National Park took a big toll on rat and possum numbers, results from monitoring stations showed.
But the June operation, carried out by the Department of Conservation, also caused the death of one of the 20 rare whio which are monitored in the national park.
But the June operation, carried out by the Department of Conservation, also caused the death of one of the 20 rare whio which are monitored in the national park.
RSS Feed
