Nightly News   |  January 29, 2014

Monarch Butterflies Could Disappear, Scientists Say

Scientists are alarmed at a plunge in the number of monarchs on their annual winter migration to Mexico.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> and the monarch butterfly is at serious risk of disappearing. scientists are alarmed because they witnessed a plunge in the annual migration, two food sources are disappearing, along with what logging has done to their forest habitat.