This is New Hampshire Audubon’s Rare Bird Alert for Monday, Sept. 16.

Three black skimmers were first seen along the coast and then in Hampton Harbor on Sept. 14 and 15.

More than 16 Caspian terns, eight Forster’s terns, at least 18 lesser black-backed gulls and 43 laughing gulls were seen migrating south along the coast on Sept. 14.

A common tern and two semipalmated plovers were reported from Wilson Pond in Keene on Sept. 11.

A Hudsonian godwit was seen in Hampton Harbor on Sept. 14.

Four Western sandpipers were seen along the coast on Sept. 12.

A black-crowned night-heron was seen in Nashua on Sept. 10.

Two sandhill cranes were seen in a field east of Route 156 and south of Ledge Farm Road in Nottingham on Sept. 10.

A trumpeter swan was discovered at N.H. Audubon’s Abe Emerson Marsh in Candia on April 13 and continues being seen. It was last reported on Sept. 16.

A Northern shoveler and two blue-winged teal were seen at the Rochester Wastewater Treatment Plant on Sept. 9. The treatment plant is gated and the hours of operation are 7:30-3:00 on weekdays. If you visit, please check in at the office and be out of the plant by 2:45 so that plant personnel do not have to ask birders to leave. Do not drive on the dikes and do not block the road. The Trails at Pickering Ponds, located east of the plant, are not gated, and are always open during daylight hours.

Two lark sparrows were seen at Odiorne Point State Park in Rye on Sept. 14.

A clay-colored sparrow was seen in Greenland on Sept. 12.

Two dickcissels were seen at the Concord Community Gardens located on Birch Street off of Route 13 in Concord on Sept. 14. They were seen associating with house sparrows.

A dickcissel continues to be reported from Woodmont Orchard in Hollis and was last reported on Sept. 11.

Five red crossbills were reported from Pack Monadnock in Peterborough on Sept. 15.

There was an unconfirmed report of an orange-crowned warbler from Gorham on Sept. 9.

There were numerous sightings of migrating warblers during the past week including a few each of blackpoll warbler, Wilson’s warbler, Tennessee warbler, bay-breasted warbler, and Cape May warbler.

Common nighthawks were seen migrating south on a few days during the past week with a high count of 303 reported from Concord on Sept. 11.

Raptor migration is under way with migrating raptors being counted daily at the Pack Monadnock Raptor Migration Observatory in Peterborough. Over 3,500 raptors have already been tallied since Sept. 1. The Carter Hill Raptor Migration Observatory in Concord is now being staffed by volunteers for a few days each week and has tallied over 1,150 raptors since Sept. 1. A golden eagle was reported from Carter Hill on Sept. 13. Be sure to visit these observatories during the fall season to help out with the count!

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This listing can be seen in its entirety at www.nhaudubon.org.