Toucans are birds that often feature bright and striking markings. Their most distinctive feature is their very large bills, which themselves are also often brightly colored.
Toucans range in size from 11 inches long (the lettered aracari) to over two feet in length (the Toco toucan). They have rounded tails, short bodies, thick necks, and small wings. Since they mostly only need to fly short distances between trees, they are designed to be compact.
Their bills can be over half of the length of the rest of the body, and as much as four times as large as the rest of the head. The bills are usually strikingly patterned and brightly colored. The largest toucans in the genus Ramphastos (typical toucans) usually feature black bodies with white or yellow on the chest and face, with bills that can include yellows, oranges, greens, blues, and reds.