An eastern snapping turtle (Chelydra serpentina), known for its formidable jaw, sits motionlessly. A series of rodent experiments showed that even with abundant food and water, personal space is ...

Elementary school students voted to appoint Chelydra serpentina in a 2006 statewide election. Weighing as much as 75 pounds in the wild (and 86 in captivity), this hefty omnivore’s natural range ...