Two Tuiuiu birds, symbols of the Brazilian Pantanal wetlands, search for food. (Dario Lopez-Mills / AP)
A Jacare alligator looks over the scenery as it floats in the fragile ecosystem of Brazil’s Pantanal. (Dario Lopez-Mills / AP)
A marsh deer is among residents of the Pantanal, which some officials want to develop. (Dario Lopez-Mills / AP)
