Recent bird sightings as reported to the Massachusetts Audubon Society:

?Plum Island: A heron that appeared to be a hybrid between a snowy egret and a tricolored heron was photographed last Saturday.

?Cambridge: Many warblers were reported in Mount Auburn Cemetery, including ovenbirds, northern waterthrushes, Tennessee warblers, black-and-white warblers, Nashville warblers, northern parulas, magnolia warblers, blackpoll warblers, American yellow warblers, black-throated blue warblers, palm warblers, pine warblers, yellow-rumped warblers, and black-throated green warblers.

?Medford: Sightings included a broad-winged hawk, seven blue-headed vireos, a warbling vireo, three house wrens, five blue-gray gnatcatchers, 22 ruby-crowned kinglets, 19 hermit thrushes, three brown thrashers, eight black-and-white warblers, six northern parulas, 14 palm warblers, 112 yellow-rumped warblers, a black-throated green warbler, 10 eastern towhees, and two rose-breasted grosbeaks.

?Hingham: At Wompatuck State Park there were blue-headed vireos, a winter wren, four blue-gray gnatcatchers, four ovenbirds, two Louisiana waterthrushes, two northern waterthrushes, a black-throated green warbler, and a scarlet tanager.

?Miscellaneous: Reports include a yellow-throated vireo in Nahant; a yellow-throated warbler in Brookline; four fish crows in Waltham; a white-faced ibis in Ipswich; a yellow-billed cuckoo at Great Meadows National Wildlife Refuge in Concord; a Caspian tern and a king rail at Burrage Pond Wildlife Management Area in Hanson; two black vultures in Milton; a tricolored heron in Duxbury; and a cattle egret in Andover.

For more information about bird sightings or to report sightings, call the Massachusetts Audubon Society at 781-259-8805 or go to www.mass-audubon.org.