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Fifteen Wisconsin monarchs reached Mexico. What can their signals tell us?
Tiny radio tags connect Wisconsin butterflies with detections more than 1,000 miles away. They can illuminate migration—but 15 arrivals out of 68 tagged monarchs is not a survival rate.
觀看最早的來源Monarch Watch Blog
最初掌握的資訊
- When a butterfly tagged in Wisconsin turns up in Mexico, how much of its journey have we actually learned?
