This sizable group of Hackberry Emperor butterflies is feeding on a sap flow. Joining them is a pair of slightly differently patterned Tawny Emperor butterflies as indicated by the red arrows in the first photograph. Can you see the difference?

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County Denton
City Lewisville
Date Sep 29, 2009
Time of Day Noon
Temperature Warm (70-89°F/21-32°C)
Weather Clear
Habitat Recreation-Park
Type of Behavior Feeding
Gender Uncertain
Maturity Adult
Observer Chris Jackson
Main Article Hackberry Emperor Observation Location