Green Anacondas, living in the tropical rainforests of South America, are the heaviest snakes on earth. They spend most of their time in slow-moving, shallow water, such as swamps, and marshes in the Amazon and Orinoco basins.They are olive-green with black, oval spots along their back and sides, which provide camouflage in dense, murky vegetation. Being an apex predator, they consume fish, birds, mammals (capybaras, tapirs, deer), and reptiles like caiman.
As global warming rises, and the earth changes, so will the green anaconda. As vegetation becomes drier as a result of global warming, the green anaconda will adapt a browner color to better camouflage, and a smaller size to improve movement on land and require less water. A switch from smooth scales aiding water movement to kneeled scales aiding land movement is likely to occur as marshes dry out.