2. T-Shirt money this week, please! December HOURS – www.nhm.ku.edu

3. Reptiles

5. I. General Characteristics Scales, dry skin, some w/ bony dermal plates No larval stage, hard (leathery) shelled egg Breathe through lungs Legs with 5 toes, claws Ectothermic (cold-blooded)

6. Tuatara

7. II. Tuatara Distinctly different order (Rhynchocephalia) Nictitating membrane (3rd eyelid) Primitive skull structure Lizard-like appearance, anatomically very different (very slow reproductive cycle) A true "living fossil" Found only on a few coastal New Zealand Islands

8. Turtles

9. III. Turtles Order Testudines 225 species hard shell of overgrown ribs Lack teeth - beak Terrestrial, (tortoise or box turtle) Semi-aquatic (terrapin) Marine (sea)

10. Turtles Shell is really a bone, skin, and scale sandwich Upper shell - Carapace Lower shell - Plastron Well developed senses Most are herbivores or omnivores

11. Marine Turtles All 7 species are endangered Nest sites are being destroyed Trapped and drowned in shrimp nets Prized for food and shell

13. Turtles - Examples See the lazerdisc Classroom collection - Sulcata Tortoise Painted Turtle Red-eared Slider

14. 1. Common Snapping Turtle

15. 1. Snapping turtle

16. 2. Stinkpot

18. 3. Three-Toed Box Turtle

20. 4. Ornate Box Turtle

22. 5. W. Painted Turtle

24. 6. Red-Eared Slider

26. 7. Soft Shell

28. Species Account Species account of the _________________ Vital Statistics ( scientific name, common name, taxonomy) Identification (shape, size, markings, general description) Habitat (biome and range) Behaviors (niche, feeding, when active, reproduction, etc.) Observations (details about our specimen)

29. Crocodilians

30. IV. Crocodilians Order Crocodilia, 3 families, 23 species Crocodiles, alligators, caimans and gavials laterally compressed tail, all semi-aquatic 4 chambered heart scales reinforced with bony plates teeth set in bony sockets

31. Crocodilians Limited to tropics and sub-tropics Female guards the nest Both predator and scavenger, strongest stomach acid of any vertebrate Am. Alligator saved by the Endangered Species Act Adaptations – FROM THE VIDEO

32. Lizards

33. V. Lizards Order squamata, suborder sauria 3000 species external ear opening, moveable eyelids Tail in most readily detaches and regenerates

34. Lizards Keen eyesight, most are insectivores Males are territorial Display with head bobs, pushup displays, etc. Many are arboreal

35. VI. Behaviors - Thermoregulation "cold-blooded" is more efficient Reptiles warm up by behavior, basking Pond turtles – out on logs Snapping turtle – at surface earless lizard - only head out of sand horned lizard - changes color Snakes on warm surfaces - roads

36. 8. Eastern Fence Lizard

38. 9. Texas Horned Lizard

40. 10. Ground Skink

42. 11. Five-Lined Skink

43. 12. Great Plains Skink

45. 13. Racerunner

46. 14. Western Slender Glass Lizard

48. Snakes

49. VII. Snakes Order Squamata, suborder serpentes 3000 species no external ears or eyelids no legs, skutes specially hinged jaw Forked tongue, Jacobsen's organ Most are rodent eaters heat sensing pits and/or slit pupils in some

50. VIII. Snakes - Locomotion Lateral Undulation Most common, most primitive, fish-like Concertina Progression coiling and uncoiling like a slinky. Rectilinear Locomotion using just the skutes Sidewinding adaptation to soft sand, desert.

51. IX. Snakes - Feeding "Bite and Swallow" Most primitive Found in garter snake and other aquatic and semi-aquatic snakes Constrictors Most common Venomous Most highly evolved Modified teeth, salivary glands Hemotoxins or neurotoxins

52. 15. Hog nosed Snake

54. 16. Worm Snake

55. 17. Prairie Ring Necked Snake

56. 18. Flathead Snake

57. 19. Rough Green Snake

58. 20. Eastern Yellow Belly Racer

59. 21. Great Plains Rat Snake

61. 22. Black Rat Snake

63. 23. Bull Snake

64. 24. Prairie King Snake

65. 25. Common Kingsnake

66. 26. Milk Snake

67. 27. Red-Sided Garter Snake

68. 28. Lined Snake

69. 29. Texas Brown Snake

70. 30. Northern Water Snake

72. 31. Copperhead

73. 32. Timber Rattle Snake