Sneaky Snakes
The scarlet king snake is harmless, but its black, yellow, and red stripes mimic the stripes of the deadly coral snake. The only real difference between the two patterns is the order of the colors. The coral snakes pattern is red-yellow-black. The scarlet king snakes pattern is red-black-yellow.
A rhyme makes the distinction easy to remember.
Red on yellow kills a fellow,
Red on black wont hurt Jack.