Four-toothed Mason Wasp

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An eastern bluebird at Breakneck Hill Conservation Land in Southborough, photographed by Steve Forman.
Steve Forman photographed an eastern bluebird, a gray catbird, a red-winged blackbird, a ruby-throated hummingbird, an indigo bunting, an American robin, eastern kingbirds, American goldfinches, a bumble bee, a great...
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A four-toothed mason wasp at Breakneck Hill Conservation Land in Southborough, photographed by Steve Forman.
Steve Forman photographed a four-toothed mason wasp, a red-tailed hawk, a barn swallow, and a tree swallow at Breakneck Hill Conservation Land in Southborough.