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The Hornsby Bend Bird Observatory is a program of the Austin Water Utility's Center for Environmental Research at the Hornsby Bend Biosolids Management Plant. The 1200-acre Hornsby Bend site is located in southeast Austin, Texas. More information about Hornsby Bend can be found at the Center for Environmental Research website. ​
The Hornsby Bend facility is open dawn to dusk 7 days a week year round.
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