Date: 10/18/2011
Number: 300
San Pedro is a suburb of Monterrey along the sierra Madre Oriental and saw multiple monarchs (about 300 of them) flying east- southeast along the Sierra Madre at about 11 am at an altitude of between 10 and 50 meters..
San Pedro Garza Garcia, NL
Latitude: 25.7 Longitude: -100.3
Observed by: Mauricio
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