Yellow Warbler

Nancy Wright photographed a brown-headed cowbird, an eastern kingbird, an eastern wood-pewee, and a yellow warbler at Lake Chauncy in Westborough.

Steve Forman photographed a yellow warbler, a house finch, and a ruby-throated hummingbird at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed red-winged blackbirds, a turkey, gray catbirds, yellow warblers, a red-tailed hawk, a northern mockingbird, and a ruby-throated hummingbird at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed brown-headed cowbirds, an eastern kingbird, a red-winged blackbird, and a yellow warbler at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed a ruby-throated hummingbird and a yellow warbler at Breakneck Hill Conservation Land in Southborough.

Eileen Samberg photographed this yellow warbler feeding a brown-headed cowbird fledgling at Upton State Forest. Brown-headed cowbirds are known as "brood parasites;" the female will lay eggs in other birds...

Gail Sartori photographed a barred owl and yellow warblers at Assabet River National Wildlife Refuge.

Steve Forman photographed an American goldfinch, a house finch, a ruby-throated hummingbird, a yellow warbler, a skipper, a carpenter ant, a little wood satyr, a pair or red-winged blackbirds, an...

Steve Forman photographed an eastern kingbird, a northern mockingbird, a red-tailed hawk, ruby-throated hummingbirds, a tree swallow, an American goldfinch, an eastern bluebird, yellow warblers, a Baltimore oriole, and a...

Nancy Wright photographed an eastern bluebird, an eastern towhee, a northern cardinal, an orchard oriole, a tree swallow, and a yellow warbler at Wayne F. MacCallum Wildlife Management Area in...