| the ocean | 0.49 |
| alaska | 0.36 |
| california | 0.29 |
| russia | 0.25 |
| british columbia | 0.25 |
| eat clam | 0.73 |
| eat sea urchins | 0.71 |
| eat crab | 0.61 |
| use rock | 0.59 |
| float on their backs | 0.55 |
| conserve body heat | 0.54 |
| eat mussel | 0.53 |
| hold hand | 0.46 |
| give birth | 0.46 |
| eat abalone | 0.42 |
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| dense fur | 0.84 |
| such a high metabolic r… | 0.49 |
| polygynous mating system | 0.43 |
| the thickest fur | 0.23 |
| vulnerable | 0.49 |
| extinct | 0.47 |
| marine mammal native | 0.42 |
| cute | 0.39 |
| abundant | 0.36 |
| solitary | 0.36 |
| dark brown | 0.35 |
| absent | 0.34 |
| playful | 0.25 |
| rare | 0.25 |
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| seen along the route | 0.54 |
| hunted to near extincti… | 0.39 |
| removed | 0.27 |
| threatened by oil spills | 0.27 |
| hunted for their fur | 0.25 |
| trapped for subsistence | 0.25 |
| seen around island | 0.25 |
| faced | 0.25 |
| re | 0.25 |
| protected by law | 0.20 |
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