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The Blue and Gold Macaw will have to evolve to survive. This would mean becoming smaller because food would not be as plentiful as on present-day earth. There would not be as much water because the water cycle would start to run out. Many animals and plants have died because the water has been poisoned by humans. These future birds would eat plants and fruits that could break down the poison and help to make clean water. They would have big beaks and chambers in their stomach to help store water. Finally, these birds would have long legs to help run on the ground to collect future bugs and berries. Their color will not matter as much because they will not have to hide in the trees, and their wing muscles would not be as strong as most present-day birds.