When Penguins Went From The Sky To The Sea
Season 2 Episode 55 | 10m 33s Video has closed captioning.
Today, we think of penguins as small-ish, waddling, tuxedo-birds. But they evolved from a flying ancestor, were actual giants for millions of years, and some of them were even dressed a little more casually.
Problems Playing Video? | Closed Captioning