TIL that it takes four or five generations of monarch butterflies to complete the annual migration from Mexico to northern USA/Canada in the spring but in the fall a single "super generation" completes the entire 3,000 mile journey.

dezembro 30, 2018

TIL that it takes four or five generations of monarch butterflies to complete the annual migration from Mexico to northern USA/Canada in the spring but in the fall a single "super generation" completes the entire 3,000 mile journey.

TIL that it takes four or five generations of monarch butterflies to complete the annual migration from Mexico to northern USA/Canada in the spring but in the fall a single "super generation" completes the entire 3,000 mile journey. https://news.nationalgeographic.com/2017/10/monarch-butterfly-migration/ jcd1974 December 30, 2018 at 12:38PM

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TIL that it takes four or five generations of monarch butterflies to complete the annual migration from Mexico to northern USA/Canada in the spring but in the fall a single "super generation" completes the entire 3,000 mile journey.

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