Just a little question to test your ornithological knowledge
Give me one difference between a Common Raven ([i]corvus corax[/i]) and either a Carrion Crow ([i]corvus corone[/i]) or an American crow ([i]corvus brachyrhynchos[/i])
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Ravens win championships. Seriously though, Ravens are bigger I think. And their feathers have a sort of purplish hue.