Mark Bowler / Aerial view of Amazon rainforest with river, Peru

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) and Humming Frog (Chiasmocleis royi) together, Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a commensal relationship. The tara...

Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.) adult, walking over Humming Frog (Chiasmocleis royi) without preying on it. Los Amigos Biological Station, Madre de Dios, Amazonia, Peru. These species have a com...

Lucas Bustamante / Tropical shield mantis (Choeradodis rhombicollis) in defensive position, on flower, Chinambi, Carchi, Ecuador.

Mark Bowler / Black spider monkey (Ateles chamek) calling, captive, Peru.

Cyril Ruoso / Man with Chamec spider monkeys (Ateles chamek) holding onto him as he walks through sanctuary. Ikamaperou Sanctuary, Amazon, Peru. October 2006.

Pete Oxford / Peruvian Grunt (Anisotremus scapularis) school, Galapagos Islands, Ecuador

Roy Mangersnes / Wild Bolivian / Peruvian Squirrel Monkey (Saimiri boliviensis) in tree. Madidi National Park, Bolivia.

Roy Mangersnes / Wild Bolivian / Peruvian Squirrel Monkey (Saimiri boliviensis) female carrying young on her back. Madidi National Park, Bolivia.

Carol Walker / Chestnut Paso peruvian stallion running, California, USA

Kevin Schafer / Peruvian pelicans (Pelecanus thagus) on coastal rocks, Pucusana, Lima Province, Peru

Mark Bowler / Baby Amazon Pink River Dolphin {Inia geoffrensis}Peruvian Amazon