References Guadalupe fur seal

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belcher, rebecca l.; , thomas e. lee, jr. (2002). arctocephalus townsendi . mammalian species (700):1–5.
randall r. reeves; brent s. stewart; phillip j. clapham; james a. powell (2002). national audubon society guide marine mammals of world. alfred a. knopf, inc. isbn 0375411410. 






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