Watch the birth of "super Monarch butterflies" that live 10 times longer than their parents

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Every four generations, Monarch butterflies create a "super generation" that lives long enough to migrate to Mexico. In this video from National Geographic, we see how the butterflies engineer their children for such astonishing longevity.

This is part of a special called Great Migrations that National Geographic is airing this Sunday, Nov. 7.

(Thanks, Marilyn Terrell!)