Marine turtles – characteristics, key to the 7 marine species, ecology, habitat and range, behavior http://www.starfish.ch/reef/marine-turtles.html
marine reptiles like sea turtles – marine biology (characteristics, ecology, habitat and range, behavior, diet), key to the 7 species of marine turtles, underwater photography, links, books
A hole is excavated with the hind flippers and about