Joshua Passe photographed this killdeer and its nest amongst strawberries at Linden Tree Farm in Lincoln. The adult killdeer often attempt to draw attention away from their vulnerable ground nests by feigning injury to their wings, as this one is doing in the first photo.
Lisa Eggleston photographed the following around Sudbury between the end of March and mid-April: tufted titmouse, white-tailed deer, dark-eyed junco, eastern bluebird, skunk cabbage, bufflehead, great blue heron, wood duck, ruddy duck, tree swallow, mallard, muskrat, common merganser, northern cardinal, woodchuck, killdeer.
Craig Smith photographed an American robin, cedar waxwings, chipping sparrow, hairy woodpecker, killdeer, red squirrel and red-winged blackbird at the Assabet River National Wildlife Refuge in Maynard and Sudbury.
Chris Renna recorded this video of wilidlife, including a red-bellied woodpecker, a song sparrow, painted turtles, a killdeer and a red-tailed hawk at the Assabet River National Wildlife Refuge in Maynard.
Joan Chasan photographed a least sandpiper, a killdeer, a solitary sandpiper, an American goldfinch and a northern water snake that had just eaten a fish - all off of Water Row in Sudbury.
Craig Smith photographed the following species during a trip to the Assabet River National Wildlife Refuge in Maynard and Stow: barn swallows, house wren, killdeer, mourning dove, northern flicker, Baltimore orioles, red squirrel, red-tailed hawk, veery.
Marge Fisher photographed an American copper butterfly, a sulfur cinquefoil, a black-eyed susan, a killdeer, a dragonfly and a mullein at Cedar Hill and Crane Swamp in Northborough.