A section of my upcoming project will include the deployment of arboreal camera traps up large fruiting trees In primary rainforest of PNG. It would be ideal if these camera traps could be deployed via canopy access and later allow for data retrieval and battery renwal without having to repeatedly access the canopy. An idea that was presented to me was to use a frame and a pulley system and somehow have the frame lock in place and be remotely released and the trap could be lowered on the pulley, the frame would allow attachment to the trunk or a branch so the camera isn’t just swinging on a wire. The remote release is where I am stuck. Alternatively if there is a more tech based solution consisting of constructing a custom unit with a separate battery/SD and camera/sensor that would perhaps be even more useful !
If anybody has experience with something similar or even has some novel ideas that would be really helpful !