The Magic of Mexico’s Monarch Butterfly Sanctuaries
By Nat Hab Expedition Leader Jimmy Nguyen El Rosario in the Afternoon — A Warm Welcome Even before clambering out of our open-topped truck, our Nat Hab group was greeted by butterflies as they streamed down from El Rosario Butterfly Sanctuary, one of several sanctuaries within the 129,000-acre Monarch Butterfly Biosphere Reserve.