Date: 10/23/2015

Number: 300

Observed ~300 monarchs migrating while driving between the Border Patrol check station south of Marathon and Black Gap WMA.

Editor's Note: According to Google Maps, this is a distance of 57 miles and a 1.25 hour trip. The migration rate would be 250 monarchs per hour.

Marathon, TX

Latitude: 30 Longitude: -103

Observed by: Russell
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