Term
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Definition
- smaller (1.5-1.7 m long)
- social
- most are not migratory
- chase and capture individual fish, squid, crabs
- use sound to echolocate, communicate
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Term
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Definition
- larger (15-30m long)
- often solitary
- long annual migrations
- feed on aggregations of krill, copepods, small fish
- use sound only to communicate and can do so over long distances
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Term
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Definition
- suborder: odotoceti- teeth (spade shaped), single blow hole
- more gentle than dolphins
- tinier
- doesn't have well pronounced beak like dolphins
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Term
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Definition
odontoceti
pointed teeth
more agressive: beat up porpoises
head has a beak
fin shape: larger, more angled
teach offspring: use tool |
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Term
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Definition
fish: pelagic/demiseral (bottom)
mammal: seal, sea lions, sea otter, baleen whale
penguin, sea birds
sharks and sea rays
polar bears, other killer whales (occasionally) |
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Term
| 3 groups of killer whales |
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Definition
| residents transients offshore |
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Term
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Definition
| more common, coastal areas (NE Pacific) eat primarily fish, complex family groups called pools visit the same areas consistently good study group for scientists |
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Term
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Definition
| don't have family bonds eat other mammals ted to go off on their own travel long distances |
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Term
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Definition
| primarily schooling fish same type of scars as transients larger groups 20-75 whales Jim Darling? |
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Term
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Definition
| vessel disturbance quality/quantity of prey contaminants such as PCBs |
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Term
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Definition
| no teeth two blow holes baleen: made of keratin includes the largest whales |
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Term
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Definition
| gulpers/swallower skimmers swallowers/swimmers benthics (bottom) feeders |
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Term
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Definition
diet: zooplankton, primarily krill (euphasids)
largest animal on earth ever
23-27 m, 125 tons (females larger than males)
at birth 7 m
record 28m
related to hippos/cows |
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Term
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Definition
polar regions and sometimes in upwelling regions
krill like to eat plankton |
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Term
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Definition
| diet: variety of small schooling fish, squid, planktonic crustaceans (krill), gulp (right side) 17-24 m, 70 tons at birth apprx. 6.5 m 2 tons |
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Term
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Definition
adults to 11-16 m, 40 tons at birth apprx 5m
females slightly larger than males
diet: small schooling fish/krill
lunge through and gulp
make bubble net around prey |
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