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17th Annual Smithsonian Magazine Photo Contest Natural World
Monarch caterpillars feeding on some native milkweed

A pair of monarch caterpillars feed on some wild growing native milkweed, which is the only food source for monarch larvae.

Photo Detail
Date Taken: 08.2017
Date Uploaded: 11.2019
Photo Location: Huntingdon Valley, Pennsylvania, United States of America
Camera: Canon EOS 70D
Copyright: © David Lamb