1. Cetaceans Giants of the Sea!

2. Cetaceans  Mammals  Aquatic  Some of the largest animals in the world

4. Adapted to Life in the Ocean

5. Flippers, Fins & Flukes

6. Streamlined Common Dolphins Minke Whale

7. Blubber

8. Blowholes Courtesy: NOAA, Roletto (Gray)

9. Baleen Whales- Mysticeti

10. HumpbackMinke Baleen Whales

11. Baleen

12. Filter Feeders

13. Humpback  Most common large whale in our area  Black on dorsal side with long black and white flippers  Arch back before diving & shows flukes prior to deep dive  Length up to 60 feet STATUS: Endangered, 300- 700 using US Atlantic waters. 8,000-10,000 in N. Atlantic Photo: NOAA

14. Humpback Whale Photo By Graeme Cresswell Photo By Hugh Harrop Photo By Richard Broughton

15. Minke & Fin Whales Only whale w/ a white right jaw and baleen, and a dark left jaw and baleen

16. Right Whale  Most endangered of the large whales  Length 20-50 feet  Black on dorsal side with yellowish bumps on their head (callosities)  In NJ spring and fall STATUS: Endangered, currently about 300 known in w. N. Atlantic waters. Although they have been protected from killing since the 1930’s, they have not “bounced back”.

17. Toothed Whales- Odontoceti

18. Toothed Whales Orca Sperm Whale Tooth

19. Echolocation

20. Sperm Whale  Heads are boxy  Heads are up to 1/3 rd of body length  Blowhole on front left side of head  Skin is dark and wrinkled STATUS: Endangered but fairly common offshore.

21. Pilot Whales  Black with large dorsal fins  Length 10-20 feet  Usually travel in pods (schools)  Normally in NJ in the spring  Longinned and Shortfinned Photo: nhm.org Photo: Corbis

22. Beaked Whales  Four species in NJ (Blainville’s, Antillean, True’s and Goose)  Most beaked whales have 2 teeth (females not visible)  Long obvious beaks, small flippers, small dorsal fins set far back, and may have gill-like slits on their throats.

23. Smaller Cetaceans Dolphins & Porpoise

24. Harbor Porpoise

25. Dolphins

26. Bottlenose Dolphin  Usually seen in the summer  3-10 feet long  Light gray on ventral side and darker gray on the rest of the body  Often give birth in our waters

27. Risso’s Dolphin Only NJ dolphin without a beak

28. Photo by Doug Lefler