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    Video thumbnail: Nature A Murder of Crows - Preview

    Nature

    A Murder of Crows - Preview

    Airs Sunday, October 16, 2011 at 8:00 p.m. ET/PT. Check your local listings.

    A Murder of Crows - Preview

    Video thumbnail: Nature Short | Director Commentary: Roosting Crows | A Murder of...

    Nature

    Short | Director Commentary: Roosting Crows | A Murder of...

    Susan Fleming describes the awe-inspiring sight of a massive crow roost.

    Short | Director Commentary: Roosting Crows | A Murder of...

    Video thumbnail: Nature A Murder of Crows Preview

    Nature

    A Murder of Crows Preview

    New research has shown that crows are among the most intelligent animals in the world.

    A Murder of Crows Preview

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