Date: 10/26/2011

Number: 100

At a minimum 100 monarchs were observed roosting in a juniper tree located in the sinkhole entrance to Natural Bridge Caverns. A second roost was sighted approximately 200 feet from the cave entrance. This second roost contained an estimated 30 monarchs.

San Antonio, TX

Latitude: 29.5 Longitude: -98.5

Observed by: Brian
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