Primary feathers of a predated cuckoo. One feather measured 155mm but others longer up to 170mm, either from a female Oriental Cuckoo (more likely after comparing with photos of live birds) or a Pallid Cuckoo.
Perched on dead branch for several minutes and vocalised once 'kuk kuk kuk' while perched which suprised me most of all since I hadn't thought they called at all while in Australia.
Record shot only - seen briefly and only realised on downloading the photo what the bird was
Rufous morph