2. Whales and Whalewatching on the Northeast Coast

3. Tomorrow morning, we go in search of...

4. Whales !

5. Where Did They Come From?

6. Evolution of Whales 1.Diacodexis-primitive terrestrial hooved animal 2.Pakicetus-terrestrial cetacean 3.Ambulocetus-amphibious cetacean 4.Dorudon-fully aquatic early cetacean; note elbow and hindlimbs 5.Balaena-recent whale

7. Whale Family Tree

8. Anatomy... everything is Whale-sized!

9. Dorsal Fin Flukes Pectoral Fin/Flipper Ventral Grooves BaleenEye Blowhole/nostril Caudal peduncle

11. How Whales Feed

12. Finding Food by Echolocation

13. Scrimshaw

14. Filter Feeding With Baleen

15. Filter Feeding Diatoms Copepods

16. Even Fish and Squid Sand Lance

17. Bubble feeding

18. Open Mouth

19. Longevity: How Long Does A Whale Live? 16 Year Old Harbor Porpoise Tooth

20. Whale Lice

21. Migration

22. Whaling

25. Subsistence Whaling

26. Modern Threats: Entanglement

27. Overfishing

28. Military Applications

30. Baleen Whales

31. Blue Whales

32. Humpbacks

33. Minke

34. Fin Whales

35. Toothed Whales

36. Orca

37. Atlantic White-sided Dolphins

38. How to tell them apart... clues for identification Dorsal fin shape Fluke shape Blow pattern

39. Dorsal Fins

40. Flukes Humpback Right

41. Blows

42. Photoidentification

43. Humback Flukes

44. Let’s Go Whaling…2003 Style!

45. Stellwagon Bank

50. A Footprint!

51. Behaviors

52. Flipper Slapping

53. Fish & Other Marine Life

54. Sea Birds

55. “Uh-oh. Howard. Across the street—whalewatchers.”

56. Repeat after me... Calm seas... No rain... Lots of whales!

58. Humpbacks