Monarch Butterfly

Jim DeLuco photographed an American goldfinch, a monarch butterfly, and a song sparrow at Assabet River National Wildlife Refuge in Sudbury.

Steve Forman photographed a monarch butterfly, a spicebush swallowtail butterfly, and an eastern tiger swallowtail butterfly at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed an eastern kingbird, a gray catbird, a monarch butterfly, and a northern mockingbird at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed monarch butterflies, a red-tailed hawk, a turkey vulture, an American lady butterfly, a blue dasher, a bumble bee, a cabbage white butterfly, and a red-bellied woodpecker at...

Sharon Tentarelli photographed a monarch butterfly and a northern flicker in Sudbury.

Steve Forman photographed a gray catbird, monarch butterflies, a northern flicker, a northern water snake, and a red-bellied woodpecker in Southborough.

Steve Forman photographed American goldfinches, a European starling, a house finch, and a monarch butterfly at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed a great blue heron, a mallard, a monarch butterfly, and mute swans at Farm Pond in Framingham.

Steve Forman photographed a downy woodpecker, a monarch butterfly, and a red-tailed hawk at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed a monarch and a spicebush swallowtail at Breakneck Hill Conservation Land in Southborough.