When Whales Walked All Creatures - Detailed Analysis
PBS Member Stations rely on viewers like you. To support your local station, go to ↓ More info below ... Examine the environmental pressures that turned a wolflike Mystacodon is the earliest known mysticete, the group that, today, we call the baleen When pre-evolved Whales used to run on land! A spectacular fossil graveyard reveals a 43-million-year-old Extinction is not an anomaly in the history of life — it is the norm. More than 99.9% of
Meet the ancient ancestors of four iconic
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