Assertion: southern elephant seal | /r/HasAspect | a lifespan of 20 to 22 years
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Source sentences:
text: On average, the southern elephant seal has a lifespan of 20 to 22 years while northern elephant has a shorter lifespan of up to 9 years.
text: Do you know that the fourth largest colony of elephant seals in the world is located in Peninsula Valdes, Argentina?On average, the southern elephant seal has a lifespan of 20 to 22 years while northern elephant has a shorter lifespan of up to 9 years.