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Chapter 14 Mammels
seals
25
Science
12th Grade
01/27/2009

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Term
Largest animal ever; eats 6 tons of krill a day; dont eat for 8 months
Definition
Blue Whale
Term
2nd largest; V shaped head; fastest of Baleen whales
Definition
Finback
Term
Long Pectoral Fins, acrobatic, Sings
Definition
Humpback
Term
head is 1/3 of body length; stocky; skimmer
Definition
Right whale
Term
Coastal whale; Narrow tapered head; Dorsal humps; Bottom feeder
Definition
Gray Whale
Term
3rd largest whale; fastest was at 31 mph;
Definition
Sei Whale
Term
Head is 40% of body length; Bony skull used to break ice
Definition
Bowhead Whale
Term
Largest of the dolphin family; forms lifelong bonds; social non-threatening; spyhopping
Definition
Killer Whale
Term
Artic year round; white with age; tusk grow from it's left upper jaw
Definition
Narwhal
Term
Blunt head with rounded melon; uses scholocation;
Definition
Beluga Whale
Term
Jet Black; longer fin in cooler waters and shorter fin in coastal water; lob tailing
Definition
Pilot Whale
Term
Moby Dick; largest toothed whale; S shaped blow whole; deepest diving cetacean
Definition
sperm whale
Term
almost extinct; swims against the current near sand bar; rarest mammel
Definition
chineese river dolphin
Term
Shy; lives in temperate waters; smallest cetacean
Definition
Harbour Porpoise
Term
Most common and is located in warmer portions of the ocean
Definition
Bottlenose dolphin
Term
River Pig; no dorsal fin; pink eyes; carries yound on their back
Definition
Finless porpoise
Term
Noisy barker like the circus animal and are easily trained; dog faced; ear flap;
Definition
california sea lion
Term
2nd largest seal; inflateable snout; molts their hair; nocturnal
Definition
northern elephant seal
Term
only on land during breeding season otherwise lives on pack of ice; eats penguins; fierce
Definition
leopad seal
Term
largest true seal; has whiskers; 4 mammery glands; hunted by polar bears
Definition
bearded seal
Term
smallest marine animal; webbed feet; eats bivalves
Definition
california sea otter
Term
sea cow; most threatened of all manatees; travels in late afternoons; lungs the length of the body
Definition
african manatee
Term
no external ear; peglike teeth with an enlarged upper incisor; 6 inch thick blubber
Definition
pacific walrus
Term
fluked tail; flashy upperlip; feeds on sea grass and lives in teh sea grass; spends half of its time in the water
Definition
Dugongs
Term
largest land predetor; white to yellowish fur; can run up to 25 miles per housr; primery prey is ring seal
Definition
polar bear
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