Snakes, often feared for their venom, are fascinating reptiles with complex roles in ecosystems. From the vibrant blue coral snake of Southeast Asia t ...

San Francisco garter snake (Thamnophis sirtalis tetrataenia) Known for its bright blue or greenish-blue belly, red and black stripes, and the well-known red head, San Francisco garter snake is one ...

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 ...