Ontario Rare Bird Alert for the week starting May 17, 2024 Species mentioned (all caps indicate species on the OBRC review list): BARNACLE GOOSE (Northumberland) TUFTED DUCK x scaup sp. (hybrid) (Toronto) White-winged Dove (Cochrane) BLACK-NECKED STILT (Middlesex) Parasitic Jaeger (Norfolk, Toronto) Laughing Gull (Niagara, Toronto) Arctic Tern (Durham, Ottawa, Peel, Toronto) Pacific Loon (Prince Edward) NEOTROPIC CORMORANT (Essex, Simcoe) Western Cattle Egret (Chatham-Kent) Glossy Ibis (Essex, Waterloo) WHITE-FACED IBIS (Essex, Waterloo) Black Vulture (Norfolk) SWALLOW-TAILED KITE (Essex) Mississippi Kite (Essex) FERRUGINOUS HAWK (Essex) ASH-THROATED FLYCATCHER (Huron) Western Kingbird (Peel) CASSIN'S VIREO (Simcoe) Black-billed Magpie (CHATHAM-KENT) EURASIAN TREE SPARROW (Kenora, Thunder Bay) LARK BUNTING (Thunder Bay) Worm-eating Warbler (Frontenac, Prince Edward) Kirtland's Warbler (Essex, Simcoe, Toronto) Yellow-throated Warbler (Essex) Summer Tanager (Essex, Norfolk, Thunder Bay) Blue Grosbeak (Lambton) Details: I have tried to indicate the finder, where known. My apologies to those who I have left out. You can help me by giving the finder's name(s), if known, in your eBird checklists. Looking for a replacement: I'm looking for someone to take over these weekly reports! If you're interested, please get in touch. BARNACLE GOOSE (Northumberland): Doug McRae and Nicole Richardson found one at Presqu'ile PP on May 22 that was later found just outside of Brighton, where it was again reported by several observers the next day. TUFTED DUCK x scaup sp. (hybrid) (Toronto): The male bird found February 9 off Tommy Thompson Park continued to at least May 18. White-winged Dove (Cochrane): Angie and Ken Williams found one in Smooth Rock Falls on May 17 that remained to at least May 18. BLACK-NECKED STILT (Middlesex): The one found by Mark Bakelaar at Strathroy Sewage Lagoons on April 9 continued to at least May 23. Parasitic Jaeger (Norfolk): Max Segler reported one off Long Point Provincial Park on May 22. Parasitic Jaeger (Toronto): Several observers reported one off Colonel Sam Smith Park on May 21. Laughing Gull (Niagara): Jean and Blayne Farnan found and photographed one at Morgan's Point on May 22. Laughing Gull (Toronto): Raspberry Yow-Fairs and Jackson Ceedub found one at Tommy Thompson Park that was seen briefly and photographed by a few others on May 18. Arctic Tern (Durham): Up to six birds were reported from several locations along the Durham waterfront on May 23. Arctic Tern (Ottawa): A larger passage of up to 41 birds were reported from Britannia Point by many observers on May 20. Arctic Tern (Peel): Peter L photographed a flock of at least 25 birds off Mississauga on May 21. Arctic Tern (Toronto): Up to 18 birds were reported off the Toronto waterfront from various locations by various observers on May 22. A single bird was photographed by many people at Colonel Sam Smith Park on May 22. Pacific Loon (Prince Edward): Paul Jones photographed one off Charwell Point on May 22. NEOTROPIC CORMORANT (Essex): One bird was seen and photographed by many observers off the tip of Point Pelee May 19-21. NEOTROPIC CORMORANT (Simcoe): Anthony Glenesk photographed one at Matchedash Bay on May 20. Western Cattle Egret (Chatham-Kent): George Prieksaitis reported one from Eatonville on May 18. Glossy Ibis (Essex): A mixed flock at Hillman Marsh on May 22 held nine individuals. Glossy Ibis (Waterloo): A mixed flock found by Al Woodhouse between Erbsville and Heidelberg on May 23 held five individuals. WHITE-FACED IBIS (Essex): A mixed flock at Hillman Marsh on May 22 held two individuals. WHITE-FACED IBIS (Waterloo): A mixed flock found by Al Woodhouse between Erbsville and Heidelberg on May 23 held one individual. Black Vulture (Norfolk): Presumably the bird reported over Long Point Provincial Park on May 16, one was seen at various locations on Long Point this week May 18-23. SWALLOW-TAILED KITE (Essex): One bird passed over Hillman Marsh on May 22 and then was later seen travelling west. Mississippi Kite (Essex): A few observers photographed one over Point Pelee on May 21. FERRUGINOUS HAWK (Essex): Dean Ware found one (presumably the bird from further east earlier this month) by Holiday Beach on May 19 that was seen by several observers at a few locations as it travelled eastward. ASH-THROATED FLYCATCHER (Huron): Jake Nafziger photographed one just north of Grand Bend on May 19. Western Kingbird (Peel): Nathan Hood photographed one as it briefly stopped at Lakeside Park in Mississauga on May 23. CASSIN'S VIREO (Simcoe): On May 23, Lev Frid and Stephanie Pereira found a possible Cassin's Vireo at the Holland Marsh that was seen and documented by many observers. Identification discussion and the possibility of it being a Yellow-throated x Blue-headed Vireo continues but the bird is apparently paired with a Yellow-throated Vireo and may stick around for others to see. For details on the location, see: https://ontbirds.ca/empathy/thread/NJTFWJ3CN3UYATLHTAW277L2BCDMHJUB Black-billed Magpie (CHATHAM-KENT): Two birds continued this week from the Shrewsbury area. Townsend's Solitaire (Wellington): Abigail Clifford and Joseph Langlois reported one in Guelph on May 16. EURASIAN TREE SPARROW (Thunder Bay): The two individuals found by Jeff Robinson at Sunshine Loop on May 16 continued to at least May 18. EURASIAN TREE SPARROW (Kenora): Merle Nisly photographed one in Red Lake on May 19. LARK BUNTING (Thunder Bay): Thunder Cape Bird Observatory banded one on May 21 that remained until at least May 23. Worm-eating Warbler (Frontenac): Darren Rayner reported one from Opinicon Rd on May 18. Worm-eating Warbler (Prince Edward): Mark Patry found one at Prince Edward Point that was seen by many observers on May 18. Kirtland's Warbler (Essex): Jeff Skevington reported one singing near the tip of Point Pelee on May 18. Kirtland's Warbler (Simcoe): A migrant was photographed in Collingwood by John Wright on May 22.' Kirtland's Warbler (Toronto): David Servos photographed one at Tommy Thompson Park that was seen by a few other observers on May 21. Yellow-throated Warbler (Essex): Lev Frid photographed one at the tip of Point Pelee on May 20. Summer Tanager (Essex): Phil Dube photographed a young male at Point Pelee on May 18. Summer Tanager (Norfolk): Stu Mackenzie reported one from Long Point Provincial Park on May 20. Summer Tanager (THUNDER BAY): Rob Swainson photographed one at Mountain Bay Drive in Thunder Bay on May 20. Blue Grosbeak (Lambton): Brandon Holden found one in Oil Springs on May 17 that was seen by a couple others later the same day. Report compiled by Mike Burrell from a variety of sources, primarily eBird; most other sources are listed here: http://ofo.ca/site/content/ontario-hotlines-and-news