Recent sightings on Cape Cod (as of Aug. 16) as reported to the Mass. Audubon Society.

The 33 black skimmers noted on Martha’s Vineyard represent a state high count for breeding individuals of this mostly southern species.

Birds counted from Race Point included hundreds of Cory’s, great, sooty, and Manx shearwaters, 600 Wilson’s storm-petrels, 2 long-tailed jaegers, 13 parasitic jaegers, 75 least terns, 6 black terns, 1,600 roseate terns, 2,200 common terns, 2 Arctic terns, 7 Forster’s terns, a peregrine falcon, and 700 tree swallows.

There were reports of 2 Northern waterthrushes in Sandwich, a bay-breasted warbler at Wellfleet Bay sanctuary, Canada warbler at Great Island in Wellfleet, black-throated green warbler at Beech Forest in Provincetown, and palm warbler in Chatham.

Two little blue herons were among 73 snowy egrets and 5 great egrets at Wellfleet Bay sanctuary.

Shorebirds in Chatham included 33 American oystercatchers, 14 piping plovers, 500 semipalmated plovers, 185 ruddy turnstones, 580 red knots, 21 white-rumped sandpipers, 1,400 semipalmated sandpipers, 2,000 short-billed dowitchers, and 36 willets.

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