Ontario rare bird alert for the week of September 5, 2020 Species mentioned (boldface indicates OBRC documentation is requested): Greater White-fronted Goose (Lennox and Addington, Prince Edward) BARNACLE GOOSE (Perth) WESTERN GREBE (Peel) Hudsonian Godwit (Durham, Essex, Hamilton, Kawartha Lakes, Lambton, Wellington) Red Knot (Chatham-Kent, Durham, Norfolk) Purple Sandpiper (Northumberland) Buff-breasted Sandpiper (Renfrew, Thunder Bay, Waterloo) Sabine's Gull (Norfolk) Franklin's Gull (Bruce) SLATY-BACKED GULL (Peel, Toronto) Pacific Loon (Simcoe) BROWN BOOBY (Hamilton) Black Vulture (Niagara) Acadian Flycatcher (Toronto) NORTHERN WHEATEAR (Cochrane, Wellington, York) Lark Sparrow (Durham) Nelson's Sparrow (Chatham-Kent, Hastings, Lennox and Addington, Nipissing, Ottawa, Renfrew, Toronto) Yellow-headed Blackbird (Algoma, Norfolk, Thunder Bay) Louisiana Waterthrush (Hastings, Norfolk) Dickcissel (Essex, Huron, Toronto) Greater White-fronted Goose (Prince Edward): A single bird was at the Hamilton wetland on September 25. Greater White-fronted Goose (Lennox and Addington): A single bird was reported from Bath on September 25 Barnacle Goose (Perth): The continuing bird at Wester Perth Wetlands was last reported on September 25. Western Grebe (Peel): The continuing bird off Rattray Marsh was reported September 25-27. Hudsonian Godwit (Durham): Two birds were reported at Cranberry Marsh and Oshawa Second marsh from September 25-29. Hudsonian Godwit (Essex): One bird was near Comber September 25-27. Hudsonian Godwit (Hamilton): One bird was reported at Windermere Basin on September 26. Hudsonian Godwit (Kawartha Lakes): One bid was in Lindsay September 25-28. Hudsonian Godwit (Lambton): One bird was at Forest Sewage Lagoons September 29-October 1, with a second bird also present on October 1. Hudsonian Godwit (Wellington): One bird was present at Belwood Lake on October 1. Red Knot (Chatham-Kent): Up to two birds were seen at Rondeau Provincial Park on September 25 and 28. Red Knot (Durham): One bird was at Darlington Provincial Park on September 25. Red Knot (Norfolk): One bird was reported at Turkey Point on September 30. Purple Sandpiper (Northumberland): One bird was at Presqu'ile Provincial Park at least on September 25 and 27. Buff-breasted Sandpiper (Renfrew): One bird was near Cobden on September 26. Buff-breasted Sandpiper (Thunder Bay): One bird was at Terrace Bay on September 25-26. Buff-breasted Sandpiper (Waterloo): Two birds were near Breslau on September 27. Sabine's Gull (Norfolk): One juvenile was seen off Port Rowan on September 30. Franklin's Gull (Bruce): One bird was in Kincardine on September 28. Slaty-backed Gull (Peel, Toronto): This bird continued, being seen September 25-29 in Mississauga but made a brief visit to Toronto on September 28. Pacific Loon (Simcoe): The bird reported previously continued in Barrie off Tyndale Park September 25-29. A second bird was reported on September 29. Brown Booby (Hamilton): This bird was again seen this week, on September 25-26 off Van Wagners Beach. Black Vulture (Niagara): One bird was seen in Queenston September 25-27. Acadian Flycatcher (Toronto): One bird was seen at Tommy Thompson Park September 30. Northern Wheatear (Cochrane): The Porcupine Lake bird continued September 25-30. Northern Wheatear (Wellington): A bird was found near Maryhill on September 26 and seen by many observers through September 29. Northern Wheatear (York): One bird was reported to be seen briefly in Schomberg on September 26. Lark Sparrow (Durham): One bird was reported in Oshawa on September 30. Nelson's Sparrow (Chatham-Kent): Up to two birds were at Keith McLean CA September 25-October 1. Nelson's Sparrow (Hastings): Up to two birds were at H.R. Frink CA September 26-28. Nelson's Sparrow (Lennox and Addington): Up to two birds were on Amherst Island September 27-28. Nelson's Sparrow (Nipissing): Three birds were seen at Lake Travers, Algonquin Provincial Park on September 27. Nelson's Sparrow (Ottawa): One bird was reported around the Constance Bay area September 26-October 1. Nelson's Sparrow (Renfrew): Up to four birds were reported at Westmeath Provincial Park September 26-29. Nelson's Sparrow (Toronto): One bird was reported at Tommy Thompson Park September 29-30. Yellow-headed Blackbird (Algoma): Up to four birds were seen near Pumpkin Point September 25-29. Yellow-headed Blackbird (Norfolk): One bird was reported at the Port Rowan Wetland on September 28. Yellow-headed Blackbird (Thunder Bay): One bird was at Chippewa Lagoons September 26-27. Louisiana Waterthrush (Hastings): One bird was reported in Trenton on September 30. Louisiana Waterthrush (Norfolk): One bird was reported from the tip of Long Point September 30. Dickcissel (Essex): One bird was reported at Black Oak Heritage Park, Windsor on September 25. Dickcissel (Huron): One bird was reported near Goderich on September 25. Dickcissel (Toronto): One bird was reported at Tommy Thompson Park on September 26. Report compiled by Mike Burrell