A macaw accompanies people from the Tikuna Indigenous community who carry aid from a nonprofit amid a drought on Amazon River in Santa Sofia, on the outskirts of Leticia, Colombia, Sunday, Oct. 20 ...

On a cloudless afternoon in the foothills of the Andes, Eliana Martínez took off for the Amazon jungle in a single-engine Cessna 172K from an airstrip near Colombia’s capital, Bogotá.