Pete Oxford / Two Chagra cowboys on an overnight ride at a hacienda to herd cattle, Andes Mountains, Ecuador

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) group photographed by tourists, Gardner Bay, Hood Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Pink Land Iguana (Conolophus marthae) is a newly discovered species that lives only on Wolf Volcano, Isabella Island, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) with tourists, vulnerable, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Tourists walking on guided tour of Genovesa Island, Galapagos Islands, Ecuador

Pete Oxford / Masked Booby (Sula dactylatra) nesting colony observed by tourists from inflatable boat, Genovesa Island, Galapagos Islands, Ecuador

Pete Oxford / Los Gemelos or The Twins are two craters in the highlands of Santa Cruz Island, Galapagos Islands, Ecuador

Pete Oxford / Harpy Eagle (Harpia harpyja) recently fledged seven month old wild chick carried by Alexander Blanco through the swamp to dry ground Cuyabeno Reserve, Amazon rainforest, Ecuador

Pete Oxford / Harpy Eagle (Harpia harpyja) recently fledged seven month old wild chick carried by Alexander Blanco through the swamp to dry ground Cuyabeno Reserve, Amazon rainforest, Ecuador

Pete Oxford / Alexander Blanco preparing to ascend 40 meters up a Kapok tree to set a noose to catch a recently fledged seven month old wild Harpy Eagle (Harpia harpyja) chick, Cuyabeno Reserve, Amazon rainforest,...

Pete Oxford / Harpy Eagle (Harpia harpyja) wild seven month old fledgling weighed by Alexander Blanco and Ruth Mu±iz, Cuyabeno Reserve, Amazon rainforest, Ecuador

Pete Oxford / Domestic Cattle (Bos taurus) being herded by Chagra cowboys at a hacienda during the annual overnight cattle round-up, Andes Mountains, Ecuador