Herper.com Blog
Snakes - Lizards - Chelonians

Crocodilians - Amphisbaenids - Tuataras

Aquatic and semi-aquatic turtle links:
    Snapping Turtles
    Box Turtles
    Aquatic Turtles
    Softshell Turtles
    Sideneck Turtles
    Sea Turtles
    Tortoises

    aquatic turtle
    Herpetological publication links (PDF):

    Storey, et al. 1988. Hatchling turtles survive freezing during winter hibernation. PNAS 85: 8350-4.