vittatus", another example, is always black as a ground color, but can show yellow stripes, orange stripes, red stripes,(stripes of all colors can be seen in two forms, narrow- and wide-banded) and turquoise, green, or blue legs, etc.The bicolor dart frog ("Phyllobates bicolor") can range from yellow to orange, from black legs to green legs, to almost a uniform color of any of the aforementioned color morphs.