Gran Chaco Photos Dry Chaco habitat in Bolivia. Dr. Lee Fitzgerald and para-biologist Romaoldo Peña installing turtle funnel traps to sample freshwater turtle diversity in the Kaa-Iya National Park in the Gran Chaco, Bolivia. Dr. Lee Fitzgerald, Dr. Lucindo Gonzáles, Nicole Smolensky and others embarking on a herpetological field expedition to the Kaa-Iya National Park in the Gran Chaco, Bolivia. Para-biologist, Romoaldo Peña, investigating the movement patterns of red-footed tortoise Geochelone carbonaria in the Kaa-Iya National Park in the Gran Chaco forest of Bolivia.