Over 30 species make up the cetacean group called dolphins, and many fans of these playful and agile creatures have shared terrific photos of them seen frolicking around the world. From a stampede near the San Juan Islands to a pink dolphin saying hello in the Amazon River, the friendly and intelligent marine mammals are easily found on Flickr, captured in moments of surfacing and a variety of social behaviors.

See, and share, more photos in the Wild dolphins gallery and Dolphins Wild and Free group.