The South Florida rainbow snake resembles less a rainbow than a rainbow's shadow: With its iridescent, blue-black back, yellow and red patches and three red stripes, the snake is colorful and ...

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 ...

Blue coral snake (Calliophis bivirgatus ... poisonous snake is remarkable due to its bright red, black, and yellow banding. It is endemic to Arizona and parts of Mexico, where the bright color ...

When disturbed, they flash their bulging red eyes and reveal their huge, webbed orange feet and bright blue-and-yellow flanks. This technique, called startle coloration, may give a bird or snake ...