1. Today’s Reptiles SECTION 34.2

2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate lost tails – but they do not re-grow the bones

3. Male Collared Lizard

4. Iguana

5. Green Anole – common in Alabama

6. Snakes Lack moveable eyelids and external ears Skeleton: ◦No pectoral girdle (shoulders) ◦Jaws have 5 points of movement Feeding: ◦Constrictors – suffocate prey ◦Venomous: cobras, sea snakes, adders, pit vipers (rattlers, copperheads, cottonmouths)

7. Eastern King Snake – an Alabama constrictor

8. Eastern Rattlesnake

9. Copperhead snakes

10. Water moccasin aka cottonmouth

11. Turtles & Tortoises Turtles – water dwelling; flattened shells Tortoises – land dwelling; dome shaped shells Shell – fused plates of bone covered with scales or leathery skin ◦carapace – dorsal shell; fused to vertebrae ◦plastron – ventral shell No teeth – some are herbivores; many are carnivores (snapping turtle)

12. Alabama map turtle

13. Gopher tortoise – endangered species found in south Alabama

14. Crocodiles & Alligators All are carnivores Crocodiles – have longer, narrower snouts Alligators – have shorter, broader snouts Mothers protect both the nest with eggs and the young after hatching

16. Tuataras Only 2 species – both live in New Zealand Lizard-like Active at low temperatures

17. Tuatara