But which turtles were the largest to ever walk or swim the Earth, large enough to resist the attacks of fierce Cretaceous predators? Here are a few that put our modern-day leatherbacks and ...

The Guaporé River Valley, in the Amazon, is one of the largest turtle nurseries ... 1.4 million births were recorded. Chelonians are a group of reptiles including turtles, tortoises, and terrapins.

Staff and volunteers with Mass Audubon Wellfleet Bay Wildlife Sanctuary have rescued around 800 stranded sea turtles from ...