Following is a transcript of the video. Narrator: A turtle's shell is as much a part of its body as our rib cage is of ours. In fact, it is their rib cage, and their spine, and their vertebrae ...

This prehistoric-looking freshwater turtle is known for its spiked shell, strong, beaked jaws and worm-like tongue for luring fish. The alligator snapper faces a predicted 95% decline in 50 years and ...