Tiny sensor used to track the migratory patterns of monarch butterflies - Science Daily

Scientists have developed a tracking system that can be attached to monarch butterflies and transmit data about their location all throughout their three-month migratory journey south.

Millions of monarch butterflies migrate each fall to a specific cluster of mountain peaks in central Mexico. How exactly they navigate to their winter home, and the way they choose their path, is a t… [+3117 chars]

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