Turtles, old and young
Old adult Gulf Coast Box Turtle (Terrapene carolina major)
I think this is the oldest looking one I've ever seen.
Juvenile Florida Cooter (Pseudemys floridana)
Their markings never look better than when they're young like this.
Alligator Snapping Turtle (Macroclemys temminckii)
Me holding the same turtle for scale. They get much larger than this, but to me this is still a large turtle.
Yellowbelly Slider (Trachemys scripta scripta)