There are numerous species of Macaws in the Amazon Rainforest and these range from the Scarlet Macaws to the Chestnut-Fronted Macaws. Of all the parrots in the Amazon, the Macaws are the largest. These species of bird are some of the most colorful ones you’ll find in the Amazon, and they’re easily distinguishable from the rest. Before they come into sight, you’ll hear them squeaking in groups and feeding on fruits and leaves. You’ll find Scarlet Macaws that are blue, green, red, and gold, with distinct facial patches that are as unique as a human fingerprint. The Scarlet Macaws are the most colorful and have big personalities (The Spruce Pets).