Oscar Dewhurst / Hoatzin (Ophisthocomus hoazin) perched on wooden bar overlooking oxbow lake. Manu National Park, Madre de Dios, Peru. September

Alex Hyde / Brown / Tufted Capuchin (Cebus apella) family group in cloud forest, Manu Biosphere Reserve, Peru.

Nick Garbutt / Andean cock-of-the-rock (Rupicola peruvianus), male displaying at lek in tree. Manu Biosphere Reserve, Amazonia, Peru.

David Tipling / Cock-of-the-rock {Rupicola peruvianus} male at lek in cloud forest, Manu Biosphere Reserve, Peru.

David Tipling / Cock-of-the-rock {Rupicola peruvianus}, male, at lek in cloud forest, Manu Biosphere Reserve, Peru.

Oscar Dewhurst / Social flycatcher (Myiozetetes similis) perched on dead branch overhanging oxbow lake. Manu National Park, Madre de Dios, Peru. September

Oscar Dewhurst / Horned screamers (Anhima cornuta) calling at the edge of oxbow lake. Manu National Park, Madre de Dios, Peru. September. Cropped

Oscar Dewhurst / Horned screamer (Anhima cornuta) Manu National Park, Madre de Dios, Peru. September.

Oscar Dewhurst / Social flycatcher (Myiozetetes similis) perched on branch overhanging oxbow lake. Manu National Park, Madre de Dios, Peru. September. Cropped

Oscar Dewhurst / Hoatzin (Ophisthocomus hoazin) perched on fallen tree branch. Manu National Park, Madre de Dios, Peru. September

Oscar Dewhurst / Hoatzin (Ophisthocomus hoazin) perched on wooden bar overlooking oxbow lake. Manu National Park, Madre de Dios, Peru. September

Oscar Dewhurst / Hoatzin (Ophisthocomus hoazin) portrait at Peruvian oxbow lake. Manu National Park, Madre de Dios, Peru. September. Cropped