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Sea Otters' lung capacity is about 2.5 times greater than that of similar-sized land mammals, making its body highly buoyant in water.

Sea Otters' lung capacity is about 2.5 times greater than that of similar-sized land mammals, making its body highly buoyant in water.

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< Previous The bigger an animal’s yawn, the bigger its brain, study finds Samoyeds were originally bred for hunting, herding reindeer, and hauling sledges for the Samoyede people in Siberia. Friendly and affable, their happy expressions has earned them the nicknames &quot;Sammie smile&quot; and &quot;Smiley dog&quot;. Next >
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