

In Costa Rica, Jack treks through the Corcovado National Park in search of the jaguar.

In Costa Rica: encountering reptiles at the World of Snakes; Sloth Rehabilitation Center.

Iguassu Falls, nesting site for swifts; coatimundis; toucans, macaws.

In Brazil: Sao Paulo Zoo, breeding ground for endangered wildcats; the government rehab center in Campo Grande; Bonito.