There are thousands of species of animals in the Amazon rainforest, each colored ＿＿（42）＿＿ . Most rainforest animals use their colors for ＿＿（43）＿＿ . Some animals use color to protect themselves from their predators. An example is the green iguana. Young iguanas are bright green and hide among the bright green lower leaves of the trees where they live. As they get older, their colors become duller. Older iguanas live higher in trees, where the colors all around are ＿＿（44）＿＿ . Other animals are predators which use color to hide from their prey. The boa constrictor snake is a good ＿＿（45）＿＿ . The emerald boa is green and white, so it can easily hide in the leaves. A boa hides in a tree and waits for a bird to fly by. When one does, the boa grabs the bird from the air and then squeezes it to death before eating it.