Search:

Battle For Our Birds, same area as the last 2 drops. North of Sunrise hut and over to the western side as well. Be a map kicking around somewhere from the previous drops.

Looks like the new repellent is even more effective judging from what the Kaweka results were.

Like stagstalker said, hunt the warmer stuff. Top third.
Keep an eye out just below the leatherwood belt if watching slips. Feed will be scarce so they tend not to move around as much. Time of day...