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Pollinator Survey in Anne Arundel County, Maryland

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Sam Droege, a USGS biologist who leads USGS' Native Bee Inventory and Monitoring Lab, watches the white blooms of a callery pear tree for bee activity at a former sand mine in Odenton, Md., on March 27, 2020. A bee-catching manual he published advises, "Train yourself to key in on movement; over time you will become more adept at separating bee motion from plant motion." (Photo by Will Parson/Chesapeake Bay Program)
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Chesapeake Bay Program
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Sam Droege, a USGS biologist who leads USGS' Native Bee Inventory and Monitoring Lab, watches the white blooms of a callery pear tree for bee activity at a former sand mine in Odenton, Md., on March 27, 2020. A bee-catching manual he published advises, "Train yourself to key in on movement; over time you will become more adept at separating bee motion from plant motion." (Photo by Will Parson/Chesapeake Bay Program)