Alameda County, California, USA July 5, 2011 Size: 15-16 mm bl
This fly settled on a wall of the compost bin, afternoon, and began a grooming session. Here it isn't doing anything in particular, just posing nicely for a dorsal shot.
Despite what the guide page says, this specimen didn't buzz when flying. Either it hadn't read the guide page or it was practicing stealth flight, and getting pretty good at it, too. However, when it flew close to me, it stirred up so much air that I could feel a breeze.
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