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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.
تماشانخستین منبعMonarch Watch Blog
آنچه ابتدا میدانستیم
- When a butterfly tagged in Wisconsin turns up in Mexico, how much of its journey have we actually learned?
