影片介绍
Eversincebirdsfirstappearedontheplanet,theirremarkablediversificationallowedthemtoconquerthedifferenthabitatscoveringtheearth'ssurface.Theirwingsgavethemtheabilitytoflyandtoreachplacesnootheranimalcouldreach.Onlytheseahadchallengedthem,untilthearrivalofpenguins.Determinedtoconquertheoceans,penguinstookmillionsofyearsof...
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