Sentences with phrase «only aquatic mammals»

Hardy pointed out that only aquatic mammals like walruses and hippopotamuses have naked skin and subcutaneous fat — human traits not shared by other apes.

Not exact matches

Hairlessness, for instance, is only a feature of fully aquatic mammals such as whales and dolphins.

Whales and other aquatic mammals can only get big but not too big if they want to survive in the wild.