This iconic snake, with its bulbous head and red, yellow, and black bands, is famous as much for its potent venom as for the many rhymes—"Red and yellow, kill a fellow; red and black ...

Rarity of a solely black or white animal Of course ... a flash of a white tail can indicate danger is near, while the sharp red breast of a male cardinal attracts females that are ready to ...

When threatened, they rise up on their front legs and arch their back, sometimes even flipping themselves over completely, to reveal the bright red-and-black coloration of their underside.