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Spend entire lives at sea Stream-lined bodies. Breathe air through blowhole.

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Presentation on theme: "Spend entire lives at sea Stream-lined bodies. Breathe air through blowhole."— Presentation transcript:

1 Spend entire lives at sea Stream-lined bodies

2 Breathe air through blowhole

3 Front flippers; tail = “fluke”

4 Blubber for insulation Slow reproductive rate; 1 calf / 2-3 years Beluga & Calf

5 “Moustached” – baleen plates hang from upper lip Flexible, fibrous plates of keratin to strain water

6 Baleen

7 Eat krill, small fish, crustaceans Krill

8 2 Blowhole openings

9 Rorquals – grooves along throat/chest to expand Ex: humpback, finback

10 Humpbacks Feeding

11 Humpbacks Size: 40-50 ft

12 Body black, often w/barnacles (gooseneck barnacles) Flippers to 15 ft; white underneath; used to ID

13 Behaviors: Breaching

14 Feeding with Bubble Net Whales swim in circle blowing bubbles trapping fish inside “net”, then swim up center

15 Lunge Feeding Swim through school & engulf food & water

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17 “Greyhounds of the Sea” – to 20mph Lifespan 90-100yrs 2 nd Largest animal on Earth – to 85 ft

18 Known for elaborate songs

19 Blue Whale Largest animal; 100 ft

20 Person standing between blue whale jaw bones

21 Blue Whale

22 Right Whale Carcasses float; slow “Upside-down smile” Most endangered Size: to 30-50 ft

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24 Teeth to catch & hold prey; swallowed whole Eat fish, squid, seals

25 Single blowhole opening

26 Often travel in pods

27 Ex: SPERM WHALE Largest toothed whale (40-60ft); feed on Giant Squid; dive deep

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29 Orca or Killer Whale Spyhopping

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33 Dolphins: beak & conical teeth Porpoises: blunt head & flat teeth

34 Echolocation Sounds sent from sacs in head (melon) Received through jaw to inner ear (like SONAR) Used for navigation, socialization, predation

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