Amazonian hunters deplete wildlife but don't empty forests. Conservationists can be 'cautiously optimistic' about the prospect of sustainable subsistence hunting by Amazonian communities, according to new research. The research team spent over a year working with 60 Amazonian communities and hiked for miles through trackless forests to deploy nearly 400 motion-activated camera traps -- in a bid to understand which species are depleted by hunting and where. Source 6d.