Zitacuaro (Mexico), Nov 29 (EFE).- (Camera: Ulises Andrade Vela). Fleeing the frosts of Canada and the United States, monarch butterflies each year travel 4,200 km (some 2,600 mi.) to reach the forests of Mexico, pollinating millions of flowers along the way.
 
FOOTAGE SHOWING THE MONARCH BUTTERFLY BIOSPHERE RESERVE IN ZITACUARO, MICHOACAN, MEXICO.
 
SOUNDBITES: THE DIRECTOR OF THE TERRESTRIAL ECOSYSTEM PROGRAM OF THE WORLD WILDLIFE FUND (WWF), EDUARDO RENDON (SUBTITLED IN ENGLISH).
 
Keywords: efe,mexico,monarch,butterfly