more than 3,000 miles · All Facts

more than 3,000 miles
Monarch butterflies migrate more than 3,000 miles to Mexico; the southbound trip is completed by a multi-generation cycle.
SrcU.S. Fish & Wildlife Service

Next evidence →40–80 million adultsA 1 km² desert locust swarm can hold 40–80 million adults and eat as much in a day as about 35,000 people.

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