Black Swallowtail

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A clouded sulphur butterfly at Breakneck Hill Conservation Land in Southborough, photographed by Steve Forman.
Steve Forman photographed a clouded sulphur, monarchs, an American lady, and a black swallowtail at Breakneck Hill Conservation Land in Southborough.
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Black swallowtails at Breakneck Hill Conservation Land in Southborough, photographed by Steve Forman.
Steve Forman photographed black swallowtails, a bumble bee, eastern tiger swallowtails, ruby-throated hummingbirds, a monarch butterfly, and northern flickers at Breakneck Hill Conservation Area in Southborough.
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A bumble bee at Breakneck Hill Conservation Land in Southborough, photographed by Steve Forman.
Steve Forman photographed bumble bees, black swallowtails, a grasshopper, an eastern tailed-blue, eastern tiger swallowtails, monarchs, and spicebush swallowtails at Breakneck Hill Conservation Land in Southborough.
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An American goldfinch at Great Meadows National Wildlife Refuge in Concord, photographed by Steve Forman.
Steve Forman photographed an American goldfinch, a black swallowtail butterfly, and a great blue heron at Great Meadows National Wildlife Refuge in Concord.
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Black swallowtails at Great Meadows National Wildlife Refuge in Concord, photographed by Steve Forman.
Steve Forman photographed these black swallowtail butterflies at Great Meadows National Wildlife Refuge in Concord.