Theyve done some ground based trapping which I think is why there are kaka.
It would be interesting to pull out records of how much aerial 1080 has been used in Eastern Arthurs Pass over the relevant period (about 10 to 15 yr) . The Tararuas and Pureora have had regular 3 or 4 yearly aerial 1080 for a decade at least and deer numbers are 10x what they are at Arthurs Pass.
On the brighter side - are there still many wasps there ?
We were plagued by them in the 80’s and 90’s around Binser Saddle and such.
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