Recent sightings as reported to the Massachusetts Audubon Society:
Among the recent spring migrants reported this week were Virginia rail; piping plover; American oystercatcher; greater yellowlegs; willet, lesser yellowlegs; pectoral sandpiper; yellow-bellied sapsucker; American kestrel; blue-headed vireo; purple martin; barn swallow; ruby-crowned kinglet; palm, pine, and yellow-rumped warblers; and chipping sparrow.
►Groveland: At Johnson’s Pond on the Groveland/Boxford line, two tufted ducks continue to associate with a flock of scaup there. Two Northern shovelers were seen in Groveland.
►Plum Island: At Parker River National Wildlife Refuge, a major hawk migration on Tuesday included six ospreys, 19 Northern harriers, 362 American kestrels, and 16 Merlins. Other migrants seen at the refuge included nine Northern shovelers, 16 Northern pintails, a pied-billed grebe, 15 Northern flickers, 10 Eastern phoebes, 25 golden-crowned kinglets, three ruby-crowned kinglets, several hermit thrushes, a brown thrasher, and a palm warbler.
►Cambridge: At Mount Auburn Cemetery, a great horned owl, a yellow-bellied sapsucker, a winter wren, a number of golden-crowned kinglets, two hermit thrushes, several chipping sparrows, and two fox sparrows.
►Boston: In the Boston Public Garden, two yellow-bellied sapsuckers, and on Beacon Hill, a barred owl.
►Lancaster: At Bolton Flats Wildlife Management Area, two Virginia rails, five greater yellowlegs, and 20 Wilson’s snipes.
►Wayland: 41 Wilson’s snipes.
►Concord: At the Great Meadows National Wildlife Refuge, two blue-winged teal, two Northern shovelers, two Northern pintails, 11 green-winged teal, 18 ring-necked ducks, a pied-billed grebe, seven American coots, nine Wilson’s snipes, a purple martin, and three palm warblers.
►Miscellaneous: a Northern shoveler at Hammond Pond in Newton; three harlequin ducks, an American oystercatcher, a red knot, and a blue-headed vireo at Duxbury Beach; a red-throated loon and a chimney swift at Millennium Park in West Roxbury; a manx shearwater and five piping plovers at Revere Beach; a cattle egret in Ipswich; and 11 American kestrels at Hanscom Field in Bedford.