Killdeer

Steve Forman photographed a great blue heron and a killdeer at Hager Pond in Marlborough.

Steve Forman photographed a great blue heron, a killdeer, and a solitary sandpiper at Hager Pond in Marlborough.

Steve Forman photographed an killdeer at Hager Pond in Marlborough.

Steve Forman photographed a killdeer and a spotted sandpiper at Hager Pond in Marlborough.

Steve Forman photographed Canada geese, a double-crested cormorant, a killdeer, and mallards at Hager Pond in Marlborough.

Gail Sartori photographed a black-capped chickadee at a nest box, a killdeer, a mute swan, and a rose-breasted grosbeak in Maynard.

Joan Chasan photographed a killdeer and a yellow-rumped warbler in Westborough.

Steve Forman photographed a killdeer at Breakneck Hill Conservation Land in Southborough.

Steve Forman photographed a Canada goose, a double-crested cormorant, painted turtles, a great blue heron, a great egret, a killdeer, mallards, mute swans, a ring-billed gull, and a wood duck...

Steve Forman photographed this killdeer at Hager Pond in Marlborough.