(Smithsonian Establishment) These initial kin of whales experienced numerous attributes of land mammals—hind legs, nostrils for respiratory close to the entrance of their nose, and enamel of various measurements (rather than baleen or enamel of one sizing, like fashionable whales have). About 40 million yrs back, early whales for instance https://samuels517sss3.theblogfairy.com/profile