Seasonal Report Archive for The Loon - Warblers Occurrence
This is the 1930 to present seasonal report archive for
The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members. 		Seasons
Families
Whistling-Ducks, Geese, Swans, Ducks
New World Quail
Partridge, Pheasants, Grouse, Turkeys
Grebes
Pigeons, Doves
Cuckoos
Nightjars
Swifts
Hummingbirds
Rails, Gallinules, Coots
Limpkin
Cranes
Stilts, Avocets
Plovers
Sandpipers
Jaegers
 Alcids
Gulls, Terns
Loons
Shearwaters and Petrels
Storks
Frigatebirds
Boobies and Gannets
Cormorants
Pelicans
Bitterns, Herons, Egrets, Night-Herons
Ibises
New World Vultures
Osprey
Kites, Accipiters, Hawks, Eagles
Barn Owls
Screech-Owls, Owls
 Kingfishers
Woodpeckers
Caracaras, Falcons
Flycatchers
Vireos
Shrikes
Jays, Nutcrackers, Magpies, Crows
Chickadees, Titmice
Larks
Martins, Swallows
Kinglets
Waxwings
Silky-flycatchers
Nuthatches
Creepers
Gnatcatchers
 Wrens
Thrashers, Mockingbirds
Starlings
Dippers
Thrushes
Old World Flycatchers
Old World Sparrows
Pipits
Finches
Longspurs and Snow Buntings
Towhees, Sparrows
Yellow-breasted Chat
Blackbirds, Orioles
Warblers
Tanagers, Cardinals, Grosbeaks

Seasons
Species: Warblers
Ovenbird
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Blue-winged Warbler
[Golden-winged Warbler X Blue-winged Warbler]
[Lawrence's Warbler]
[Brewster's Warbler]
Black-and-white Warbler
Prothonotary Warbler
 Swainson's Warbler
Tennessee Warbler
Orange-crowned Warbler
Nashville Warbler
Connecticut Warbler
MacGillivray's Warbler
Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Kirtland's Warbler
 Cape May Warbler
Cerulean Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
 Yellow-rumped Warbler
[Yellow-rumped Warbler (Myrtle)]
[Yellow-rumped Warbler (Audubon's)]
Yellow-throated Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Canada Warbler
Wilson's Warbler
Painted Redstart
Blackburnian Warbler(Setophaga fusca)
YearSeasonNS
1932Summer1ln ndult was ibedin~ o. young Blackburnian and also a young Brown-headed Cowbird at Ona.rJia, July.31st (Swedenborg).
1934Summer One youne of this richly-colored species wn.s seen by Eisele, being fed at Itasca Park on July 18th. CHEETNUT-SIDED WARBLER Our only record for this sp'eeies also comes Prosser found a pair building on Juno 29th. eggs on July 3rd. from Linwood, where Their nest held 3
1935Summer 1m undetermined nUI!lber of young were being f'cd in a nest seen June 28th at Caribou Luke by Prosser and Swedenborg. At Lnke Vermillion, St. Louis C:ounty, Prosser found many families of noisy young 'being fed on August 14th and August 17th. 2B • The Fli~kor, 1935 In this species Thompson steals Prosser-and-8wedenborg!s thunder for Thompsen found a nest with 3 Gggs July 25·0h ai, Eveleth, and Prosser~s only r'3cord is of a s:rn3.ll yo".l'lg out of :1ost being fed at k'lke Vermillion August •J7th, SwedGnbo.rg reports none. Young Pine Warblers out of the nest wo~e being fed at Lake Vermillion.August 14th accprQ.ing to Prosser. OVEN-BIRD Dobie discovered a nest without eggs J1xne 2nd not far from Park R?Jpids. Not to be outdone_, h-:::n·re\"~"el·,. F:.·osser found a nest 10 days later, June 12th at Linwood Lake which contained 3 Ovenbird.- eggs and 1 Brown-headed Cowbird egg. The female ws··:1ncubating when he saw hero
1938SummerOn August I8 E. D. Swedenborg saw young awing at Common Loon Lake, Cook County.
1943SummerDouglas Co'unty, Wisoon.sin (Salon Springs), 3 young, July 27. E. Jones.
1945SummerNest with 3 eggs, July 21, Cook Co., Brother Hubert.
1947SummerJuly 10, one young with male, Itasca Park, Longley. CHESTNUT-SIDED WARBLER. July 5, building, (July 9, 2 eggs and 1 cowbird egg), Itasca Park, Longley.
1961SummerDave Pearson saw adults feeding juveniles on 25 August at Many Point Scout Camp.
1962SpringMay 11 Duluth, Janet C. Green; May 12 Goodhue Co., A. C. Rosenwinkel; May 13 Minneapolis, W. R. Pieper.
1963SpringMay 8, Minneapolis, R. Janssen; May 8, Ramsey Co., A. C. Rosenwinkel; May 12, Washington Co., D. Honetschlager; May 14, Cass Co., the Mathisens.
1963Falllatest, Sept. 21, Watonwan Co., TV Tower Kill, Avifaunal Club. Bm1-breasted Warbler: latest, Sept. 21, Watonwan Co., TV Tower Kill, Avifaunal Club.
1964Spring5-12 Stearns Co, "few noted" RPR; 5-3 Dakota Co, MAS; 5-5 Ramsey Co, ELC; 5-17 Washington Co, DH; 5-23 Crow Wing Co, TEM; 5-15 Douglas Co, MVS; 5-9 Ramsey Co, ACR; 5-1 SL Louis Co, NJH.
1964Summerfall dates, 8-23, Minneapolis, DB.
1964Fall9-17 Duluth, R. Cohen.
1965Springearliest 4-27 Washington Co, WWL (details?); next record 5-5 Rochester, JPF and Hennepin Co, EMB; 5-6 Virginia, VFB (early up there?).
1965Falllatest 9-21 Washington Co, WWL and 10-22 Duluth, VL.
1966Springearliest 4-14 Douglas Co, MVS (extraordinary; error in transcription?); 5-5 Duluth, JCG; 5-7 Nobles Co, HSH; 5-7 Vasa, BL; 5-8 Hennepin Co, JAJ, RBJ.
1966Summerreported from Cook, Lake, St. Louis, Itasca, and Clearwater Co's.
1966FallLatest 9-10 Duluth, AKA; 9-14 Olmsted Co., JPF and Ramsey Co., BL; 9-20 Washington Co., WHL.
1967Springearly 5-10 Rice Co., OAR and Olmsted Co., CMJ, JPF; 5-12 Hennepin Co., VL; 5-13 Ramsey Co., ACR and Jackson Co., HSH; 5-16 Hennepin Co., FN/ MAS.
1967Summerreported from Cook, Clearwater Co's; 8-15 FargoMoorhead, fide EGA, early migrant.
1967Fall latest 9-2 Washington Co., WWL; 9-10 Minneapolis, VL and Mille Lacs Co., MIG.
1968Spring early 5-8 Morrison Co., LSR; 5-9 Fargo-Moorhead, fide EGA; 5-12 Stearns Co., KE; 5-13 Anoka Co., WHL, Minneapolis, FN/MAS, DB; 5-14 Hennepin Co., KP and Duluth, JCG.
1968Summer nested in Clearwater, Hubbard Co's; also reported from Cook, Lake, St. Louis, Pine, Itasca, Carlton, Co's; 6-1 Minneapolis, KP; 6-2 Chisago Co, WHL, late spring migrants; 8-27 Anoka Co, WHL; 8-30 Wright Co, GES, fall migrants.
1968Fall9-6 Cook MAF; 9-7 St. Louis JCG; 9-16 Hennepin VL; 9-20 Cottonwood LAF. Chestnut· sided Warbler: 9-15 Pine MIG; 9-20 Cottonwood LAF; 9-21 Duluth KP, MIG; 9-23 Morrison LSR.
1969Spring5-4 Morrison THE LOON 78 Co., LSR; 5-5 Hennepin Co., DB, RDT, VL, WKE; 5-6 Minneapolis, FN j MAS; 5-12 Kanabec Co., RHJ; 5-21 (6) Washington Co., WWL; 5-24 Cottonwood Co., LAF; 5-25 Goodhue Co., EMB.
1969Summerreported from St. Louis, Cook and Clearwater Co's.
1969Fall9-8 Wright ETS; 9-11 Morrison LSR; 9-15 Washington WHL; 10-2 Winona 2 BTV.
1970Springearly south 5-7 Washington WHL and Dakota EB; 5-9 Goodhue HW and Wright BH; early north 5-9 Crow Wing JB; 5-12 Mille Lacs Ml; peak 5-25 Duluth (40) JG; late south 5-23 Wright BH; 5-26 Hennepin WL. 1/1 SEPTEMBER 1970
1970Summernested in Itasca (Marcell) and CROW WING Co's (Emily 7-18, 1 adult and 1 y; Deerwood, June and July; MKC, TS, JB); also reported from Cook, Lake, and St. Louis Co's. 
1970Falllate north 8-26 and 29 Crow Wing )B; early south 9-3 Wright ES and Washington WL; late south 9-20 Hennepin VL and Carver MM; 9-23 Cottonwood LF; only reports.
1971Springearly south 5-11 Hennepin VL, ES, WKE; 5-14 Goodhue BDC and Stearns MLC; early north 5-16 St. Louis NJH and Itasca MS; late south 5-25 Hennepin CH; 5-27 HenD,epln WKE, FN.
1971Summernested in St. Louis, Hub bard and Crow Wing; also reported from Cook, Aitkin and Lake of the Woods.
1971Fallearly south 8-19 Wrig-ht and Watonwan; late south 8-29 Wright; 9-23 Watonwan; 9-28 Hennepin; late north 8-29 Duluth; 9-11 Crow Wing.
1972Summernested in (Crow Wing), (Aitkin); seen in Clearwater, Hubbard, Becker, N. & S. St. Louis, Lake, Cook; migrant -6-5 Ramsey.
1973Spring23 RltPORTERS REPORTING. EARLY SOUTH !i-tS LYON f'ELJ  S-IllS GOODHUE DRJ !i-85 GOODHUE RB..IJ EARLY NORTH !i-13 ST. LOUIS .JCGJ 5·19  ITASCA MSJ 5-19 ST. LOUIS N.JH.  
1973Summer Breeding cards from Aitkin, Crow Wing; seen in Anoka, Pine, Cass, Itasca, St. Louis, Lake, Cook.
1973Fall Reported from six counties.
1974Summer Nested in Crow Wing and Lake; also reported from Lake of the Woods, Clearwater, Itasca, St. Louis, Cook.
1974Fall Early south 8-24 Le Sueur RBJ; 8-31 Hennepin WKE; late north 9-15 Clay LCF; late south 10-12 Murray AD.
1975Spring Early south 5-5 Olmsted JF; 5-6 Le Sueur HFC; 5-8 Hennepin VRL; early north 5-14 St. Louis JCG; 5-15 Becker TRS and St. Louis GJN; late south 5-31 Rock KE and Freeborn DG.
1975Summer Reported from Cass, Itasca, Mille Lacs, St. Louis, Lake and Cook.
1975Fallearly south 8-23 Lyon HK; Renville KE, PE; late north 9-14 Mille Lacs MI; 9-21 St. Louis RJ, JG; late south 9-12 Cottonwood LF; 9-16 Olmstead JF.
1976Spring Early south 5 reports on 5-12; early north 5-6 Crow Wing DK; 5-15 St. Louis NJH and Itasca MS; 5-17 St. Louis PD; late south 5-23 Blue Earth VR and Mower RKJ.
1976Summerreported from Cass, Mahnomen, Pine, Itasca, St. Louis, Lake and Cook.
1976Fall Early south 8-19 Murray, 8-22 Olmsted; late north 9-17 Aitkin, 9-26 Duluth GN; late south 9-20 Hennepin, 925 Le Sueur, 9-29 Anoka.
1977Spring Early south 5-7 Hennepin DB; 5-8 Jackson ED and Lac qui Parle FE; 5-14 Mower RJ; early north 5-1 Lake GN; 5-8 Pine SH; 3 reports on 5-10; late south 5-20 Hennepin ES.
1977Summer Reported from Roseau, Lake of the Woods, Clearwater, Cass, Itasca, St. Louis, Lake and Cook.
1977Fall Late north 9-19 Duluth (SG), 9-20 Duluth (JG).
1978Summer Seen in Cook, Lake, St. Louis. Clearwater, Roseau (Hayes Lake SP), Becker (Boot Lake; Tamarac NWR), Beltrami and Chisago (6-30 Sunrise, ECL).
1979Spring Early south 5-6 Cottonwood RG, Goodhue RE, Lyon HK; early north 5-6 Grant SM; late south 5-30 Hennepin DB.
1979Fall Early south 8-18 Anoka JH, 8-22 Hennepin OJ; late north 9-17 Cook CMB, 9-21 Pennington KSS; late south 10-6 Olmsted JB, 10-10 Cottonwood LF.
1980Fall Early south 8-3 Anoka JLH, 8-17 Hennepin VL; late north 9-16 St. Louis JG, 9-20 Aitkin WN; late south 9-18 Houston EMF, 9-22 Sherburne EH.
1981Spring Early south 4-29 Olmsted JF, 5-3 Houston JPJAM, 5-4 Hennepin OJ, Stearns MC; early north 5-5 Hubbard HJF, 5-8 Clearwater JP, 5-9 St. Louis D. Green; late south 5-26 Rice KJ, 5-27 Hennepin SC, DB.
1981Summer Breeding data from Clearwater, Hubbard. Seen in nine other counties within range.
1981FallEarly south 8-16 Houston EMF, 8-18 Hennepin RBA, 8-19 Hennepin PF; late north 9-24 St. Louis KE, 10-16 Clay LCF; late south 9-23 Houston EMF, 9-25 Hennepin DB.
1982Spring Early south 5-3 Wabasha DWM, 5-4 Hennepin SC, 5-6 Hennepin DB, OJ, ES; early north 5-8 Clearwater AB, 5-9 St. Louis KE, LW, 5-10 Beltrami JSD. Mille Lacs CFI KB; late south 5-23 Washington TBB.
1982Summer Seen in six counties in the Northeast and North Central regions.
1982Fall Early south 8/27 Washington SC, 8/28 Houston FL, 8/31 Houston EMF; late north 9/12 St. Louis LE, 9/18 St. Louis SDM, 9/22 Cook KMH; late south 9/15 Hennepin SC, 9/24 Houston EMF.
1983Spring Early south 5/2 Dakota RJ, 5/6 Olmsted JEB, RE, 5/7 Dakota BL, DGW, Houston EMF, Martin KL, Mower BJ; early north 5/13 Cook KMH, Mille Lacs MLWMA, 5/14 Beltrami JP, Clearwater AB, 5/16 Hubbard DJ; late south 5/27 Blue Earth JCF, Murray AD, 5/31 Hennepin PF, Mower RRK.
1983Summer Breeding data from Cook. Seen in Lake, St. Louis, Carlton, Isanti (JLH).
1983Fall Early south 8/20 Brown JSp, 8/21 Wright ES, 8/29 Hennepin SC; late north 9/24 Beltrami JSP, 9/25.Clay LCF, St. Louis VR, 10/1 MH, 10/13 KE; late south 9/28 Washington DS, 10/1 Hennepin SC.
1984Spring Early south 5/ll Cottonwood LAF, 5/12 Hennepin ES, 5/13 Houston EMF, Washington DS; early north 5/16 Marshall KSS, ANWR, 5/17 Roseau AJ, 5/19 Cook EH, Clearwater DGW; late south 5/24 Hennepin SC, 5/28 Martin EBIK.
1984Summerseen in Cook, Lake, St. Louis, Itasca, Koochiching and Hubbard.
1984Fall Early south 8/18 Brown JSp, Wright ES, 8/19 Lac qui Parle TT; late north 9/18 Kanabec SSt, 9/25 Cook KMH, 9/26 Pennington KSS ; late south 9/18 Hennepin SC.
1985Spring Early south 5/5 Olmsted AP, Dakota TTu, 5/6 Hennepin OJ, 5/8 Steele RJ, 5/9 Scott DBI; early north 5/9 Clay LCF, 5/11 St. Louis KE, SS, 5/14 Mahonomen MHa, Lake SWIMS; late south 5/20 Anoka P. Johnson, 5/21 Murray ND.
1985Summer Nested in Cook. Also seen in Lake, St. Louis, Itasca, Clearwater, Aitkin, Pine.
1985Fall Early south 8/16 Hennepin SC, 8/17 Ramsey KB; late north 9/24 Wilkin GAM, 9/25 Cook KMH, 9/26 Kanabec SSt; late south 9/21 Rock RJ, 9/21 Hennepin Tiu, 10/4 Hennepin SC.
1986Spring Early south 5/4 Hennepin SC, DZ, Fillmore RS, 5/7 Washington JD, Dakota TRF, 5/8 Brown JS, Le Sueur MF, Hennepin DB, Washington SSt; early north 5/6 St. Louis KE, 5/7 AE, 5/8 Lake SS, 5/10 LW, 5/11 Crow Wing WN; late south 5/24 Murray ND, 5/26 Pipestone JP.
1986Summer Nested in Duluth; probable nesting in Koochiching. Also seen in seven other counties throughout the northeast and north central regions plus Isanti (six singing males at Cedar Creek NHA, JH).
1986Fall Early south 8/9 Anoka SC and Houston EMF, 8/10 Ramsey KB and Brown JS ; late north 8/31 Aitkin WN, 9/2 Clay LCF; late south 9/24 Houston EMF, 9/27 Rice RJ, AP, 10/4 Olmsted BE.
1987Spring Early south 5/7 Olmsted JB, 5/10 Goodhue DZ; early north 5/1 St. Louis KB, 5/10 Lake SS, 5/11 Cook KMH; late south 5/22 Ramsey KB, 5/23 Scott AB.
1987Summer Seen in nine counties throughout range plus Isanti (JH).
1987Fall Early south 8/3 Mower RRK, 8/4 Freeborn NHO; late north 9/13 Pine AB; late south 9/12 Houston EMF, 9/17 Hennepin SC, 9/25 Freeborn NHO.
1988Spring Early south 5/1 Ramsey AB and Goodhue DZ, 5/2 Hennepin SC and Dakota TT; early north 5/3 St. Louis MHIJS, 5/4 Itasca DB, 5/5 Cook KMH; late south 5/21 Stevens EL, 5/22 Brown JS.
1988Summer Nested in St. Louis, Lake; also seen in Roseau, Wadena, Cass, Cook; early migrants 7/21 Hennepin (IT), 7/22 Dakota (IT).
1988Fall Early south 8/9 Hennepin SC, OJ, ES, 8/14 Brown JS, 8/15 Houston EMF; late north 9/10 Beltrami TK, 9/11 Clay LCF, 10/16 St. Louis TBB; late south 9/8 Freeborn NHo, 9/12 Houston EMF, 9/20 Hennepin SC.
1989Summer Seen in nine counties as far west as Marshall and as far south as Kanabec.
1989Fall Early south 8/7 Hennepin SC, 8/14 Anoka GP; late north 8/30 Lake DPV, 9/4 Aitkin WN, 9/14 Cook KMH; late south 9/20 Hennepin SC and Houston EMF, 9/26 Fillmore NAO.
1990Spring Early south 4/28 Mower JM, 5/11 Brown JSp, Goodhue AB, Olmsted JB, BSE and Rice TB; early north 5/9 St. Louis AE, 5/10 Douglas RJ, 5/15 Cook KMH; late south 5/27 Anoka GP, 5/28 Hennepin SC, DZ and Scott DZ.
1990Summer Reports from Beltrami, Clearwater, Itasca, Aitkin, St. Louis, Lake, Cook, Anoka.
1990Fall Early south 8/10 Blue Earth LF, 8/15 Hennepin SC; late north 9/2 Roseau MO, 9/3 Cook KMH, 9/19 Pennington KSS; late south 9/20 Murray ND, 9/28 Houston EMF.
1991Spring Early south 5/4 Winona AB, 5/6 Rice TB ; early north 51 II Beltrami DJ, Cook KMH, Hubbard JL and Lake SWIMS, DPY late south 5/19 Brown JS, Hennepin SC and Scott DZ, 5/22 Anoka JH.
1991Summer Probable nesting in Cook; also seen in Roseau, Marshall, Beltrami, Clearwater, Koochiching, Aitkin, St. Louis, Lake.
1991Fall Early south 8/5 Hennepin SC, 8/9 Brown JS and Ramsey KB; late north 9/11 Cook KMH, 9/14 St. Louis KR; late south 9/14 Murray RJ 9/27 Hennepin TT.
1992Spring Early south 5/2 Washington TT, 5/6 Ramsey DN, 5/7 Dakota JD and Mower RRK; early north 5/7 Kanabec CM, 5/9 Becker BBe, Beltrami DJ and St. Louis AE, 5/10 Aitkin WN; late south 5/26 Ramsey KB, 5/28 Hennepin SC.
1992Summer Probable nesting in Cook County; also seen in Roseau, Marshall, Pennington, Clear-water, Koochiching, Aitkin, St. Louis, and Lake counties.
1992Fall Early south 8/7 Hennepin TT, 8/13 Rice TB; late north 8/30 St. Louis KR, 9/3 Wilkin RJ, 9/17 Cook KMH; late south 9/21 Hennepin SC, TT, 9/23 Winona CS.
1993Spring Early south 5/2 Olmsted JB, 5/5 Murray ND. Early north 5/5 St. Louis AE, 5/6 Becker BBe and Kanabec CM, 5/8 Douglas JW, KKW. Late south 5/27 Brown JS, 5/28 Hennepin SC.
1993Summer Reported in Beltrami, Koochiching, Itasca, Aitkin, St. Louis, Lake, Cook; plus late migrants 6/2 Washington WS, 6/2–3 Murray ND.
1993Fall Early south 8/4 Anoka CF, 8/15 Brown JS. Late north 9/5 Aitkin WN and Polk PS, 9/23 Cook KMH. Late south 9/20 Hennepin SC, 9/22 Anoka CF and Houston EMF.
1994Spring Early south 5/10 Hennepin TT, 5/11 Olmsted JBo, JSt and Rice TB; early north 5/11 St. Louis SW/MS, 5/12 Kanabec CM; late south 5/22 Anoka CF, 5/26 Hennepin SC.
1994Summer Seen in eight north central and northeastern counties, plus Roseau.
1994Fall Early south 8/13 Rice TB, 8/15 Hennepin SC, Mower RRK and Steele RG. Late north 9/5 Becker BBe, 9/14 St. Louis TW, 9/17 Kanabec CM. Late south 9/24 Hennepin SC, 10/14 Pipestone ND.
1995Spring Early south 5/7 Hennepin TT, 5/8 Rice TB; early north 5/10 Becker BBe, 5/13 Beltrami DJ, Marshall SKS and St. Louis AE; late south 5/27 Kandiyohi KB, 5/31 McLeod RJ.
1995Summer Most reports in 15+ years. Probable nesting in Becker, St. Louis. Seen in eight north central and northeast counties plus Roseau, Mahnomen; late migrant 6/1 Hennepin.
1995Fall Early south 8/19 Hennepin DBo, TT, 8/23 Rice TB. Late north 9/7 Marshall SKS, 9/20 Kanabec CM. Late south 9/16 Ramsey KB, 9/21 Houston EMF, 9/30 Hennepin SC.
1996Spring Early south 5/7 Winona CS, 5/13 Fillmore NO, 5/15 Freeborn ABa. Early north 5/14 St. Louis AE, 5/17 Cass MN. Late south 5/26 Cottonwood ED and Hennepin DZ, 5/30 Hennepin SC.
1996Summer Seen in eight north central and northeast counties plus Roseau, Becker; late migrant 6/5 Ramsey WL.
1996Fall Early south 8/17 Stevens WM, 8/21 Hennepin SC, 8/22 Hennepin DBo. Late north 9/13 Kanabec CM, 9/15 Carlton LW, 9/28 St. Louis AE. Late south 9/22 Anoka KB, 9/23 Fillmore NO, 9/25 Houston EMF.
1997Spring Early south 5/11 Hennepin SC, DZ, 5/13 Rice TBo. Early north 5/17 Aitkin WN, 5/18 Aitkin CB, 5/24 Beltrami SCM. Late south 5/31 Hennepin SC, DZ, 5/31 Mower RJe.
1997Summer Fewest reports since 1984. Probable nesting in Lake; also observed in St. Louis, Cass, Aitkin, Carlton. Late migrants 6/1, 6/4 Anoka.
1997Fall Early south 8/10 Anoka JBe, 8/20 Hennepin SC, 8/21 Brown JSp. Late north 9/13 St. Louis AE, 9/18 Cook KMH, 9/19 Aitkin CB. Late south 9/28 Fillmore NO and Hennepin SC, 10/12 (ties second latest south) Nicollet MF.
1998Spring Early south 5/6 Washington RJ, 5/10 Brown JSp, 5/13 Olmsted CH. Early north 5/9 Todd JSK, 5/11 Cook KMH, 5/12 St. Louis TW. Late south 5/17 Fillmore CK, 5/20 Rice TBo and Hennepin SC.
1998Summer Seen in nine northeast and north central counties plus Pennington; late migrant 6/6 Hennepin SC. Probable nesting in Lake.
1998Fall Early south 8/2 Olmsted CH, 8/10 Anoka TBr, 8/12 Rice TBo. Numbers down in Hennepin SC. Late north 9/11 Aitkin CB and Carlton PBD, 9/12 Wadena PBi. Late south 9/18 Houston RJ, 9/26 Hennepin TT, 10/6 Houston (1) FL.
1999Spring Arrived relatively early and at about the same time throughout the state. Early south 5/2 Anoka MM and Hennepin SC, 5/5 Mower DSm. Early north 5/4 St. Louis AE, 5/8 Todd JSK, SDu. Late south 5/26 Waseca JSe, 5/27 Rice TBo.
1999Summer Reported in eight north central and northeast counties, plus Pine; also 6/5,20 Anoka (singing male on territory) KB and record early migrant(?) 7/10 Hennepin SC.
1999Fall Early south 8/12 Rice TBo, 8/14 Meeker DF and Hennepin DBo, followed by frequent reports after 8/20. Late north 9/13 Pennington JJ, 9/16 Beltrami DJo, 10/11 St. Louis JN. Late south 9/11 Hennepin WM, 9/12 Houston MFo, 9/15 Stearns SWi, about two weeks earlier than usual.
2000Spring Reported from 16 south and 11 north counties in all regions, but only Houston in southeast. Arrived two to three days before recent medians south and north. Early south 5/2 Freeborn ABa, followed by daily arrivals 5/4–7. Early north 5/5 St. Louis AE, then 5/6, 5/10. Last reported south 5/24 Anoka SC.
2000Summer Few reports, similar to 1997. Observed
2000Fall Earliest south 8/13 Brown JSS, followed by reports from four other counties over next four days. Departed the state earlier than usual. Late north 9/10 Aitkin CLB, 9/13 St. Louis SLC (median 9/19). Late south 9/9 Hennepin DCZ, 9/10 Dakota SWe (median 9/27). No reports from western counties.
2001Spring Reported from 18 south and 15 north counties in all regions, but only Lac qui Parle (5/28, FAE) in West-central. Early south 5/3 Hennepin KJB, SLC, then 5/5–9 in eight counties. Early north 4/30 (record early) Crow Wing MRN, 5/4 St. Louis ALE, then 5/9–11 in five counties. Late south 5/28 in three counties, 5/29 Anoka KJB.
2001Summer Many reports, similar to 1995; seen in ten North-central and Northeast counties plus Roseau, Mille Lacs, Pine.
2001Fall First observed south 8/14 Hennepin SLC and Nobles CRM, 8/16 Rice TFB. Late north 9/18 St. Louis TPW, 9/23 Pennington JMJ. Late south 9/18 Hennepin TAT, 9/25 Lyon RJS.
2002Spring Seen in 26 south and 18 north counties. Early south 5/4 Hennepin CRM, 5/5 Freeborn AEB and Rice TFB, peak migration 5/11–18 (27 reports). Early north 5/1 Kanabec BLA, 5/11 Kanabec CAM, peak migration 5/18–26 (20 reports). Late south 5/28 Hennepin SLC, also see summer report. High count 5/25 Anoka (22 at Rice Creek) KJB.
2002Summer More reports than usual. Seen in ten North-central and Northeast counties plus Roseau, Marshall, Becker, Pine; also 6/5 Ramsey (male) NSp.
2002Fall Early south 8/19 Anoka KJB, Freeborn AEB, Hennepin ChM, SLC. Late north 9/15 Wadena PJB, 9/24 Lake RBJ. All south reports after August from Hennepin (4 observations), ending with 10/6 ChM.
2003Spring Observed in all regions. Arrived south 5/3 Freeborn AEB, 5/4 Rice TFB and Washington DFN. Early north 5/10 Kanabec CAM and Roseau NAMC, 5/13 St. Louis and Wadena. South reports through end of the season: 5/31 Dakota ADS, JPM.
2003Summer Found in 11 North-central and Northeast counties plus Marshall, Becker, Pine; also 6/1 Anoka KJB, 6/1 Pipestone KRE, 6/7 Washington KJB.
2003Fall Found in nine north and eight south counties. Early south 8/9 Anoka KJB, 8/16 Washington JPM (median 8/7). September reports north from Carlton, Kanabec, Lake, Pine, St. Louis. Late north 9/29 St. Louis PHS. Late south 9/10 Fillmore NBO, 9/23 Ramsey REH (median 9/26).
2004Spring Early south 5/7 Mower RDK, RCK and Washington REH, 5/8 Goodhue DFN and Waseca JPS. Early north 5/4 St. Louis NAJ, 5/10 Carlton MSS, 5/11 Aitkin CLB. High count 5/24 Crow Wing (20–30) MRN. Late south 5/28 Rice TFB, 5/29 Lac qui Parle BJU and McLeod PRH.
2004Summer Seen in ten north counties; late migrant 6/2 Big Stone BJU.
2004Fall Absent from West-central and Southwest. Frequent south reports beginning 8/19 Hennepin ChM, 10 days after recent median arrival date. Late north 9/23 Pine JMP, 9/24 Cass MRN. Late south 9/12 Anoka PEB, 9/24 Hennepin SLC (median 9/26).
2005Spring Found in every region, though only one report from the West-central. Early south 5/6 Blue Earth ChH and Freeborn AEB, 5/8 in six additional counties. Early north 5/9 Pine JMP, 5/15 Lake JWL, 5/16 Mille Lacs and St. Louis. High count 25 in Lincoln (5/24, PHS). Late south 5/24 Meeker LBF, Lincoln, Pipestone, and Rock PHS.
2005Summer Seen in nine counties in North-central and Northeast regions, plus 6/16 Sherburne PLJ.
2005Fall Found in 16 north and 17 south counties. Early south 8/11 Hennepin ChM, 8/13 Lac qui Parle BJU and Rice TFB. Late north 9/20 Itasca JEB, 9/25 St. Louis JWL, 10/22 (ties latest north date) Lake KRE (median 9/19). Late south 9/18 Anoka (4) DWK, 9/24 Dakota BAF (median 9/26).
2006Spring Found in every region, though only Murray in Southwest and Lac qui Parle in West-central. Early south 5/1 Olmsted JWH, 5/4 Fillmore NBO, 5/10 Meeker DMF (median 5/4). Early north 5/4 Lake JWL, 5/8 Carlton JWL, 5/9 Itasca JEB. Late south 5/25 Murray NED, 5/27 Olmsted OWB.
2006Summer Seen in 15 counties, 14 in northeastern third of state. Record-late migrant 6/11 Lyon MCBS.
2006Fall Reported from 10 north and 20 south counties. Early south 8/1 Hennepin JBB, 8/16 Fillmore NBO and Hennepin ChM, 8/17 Sherburne PLJ (median 8/9). Late north 9/10 Pine JMP, 9/20 St. Louis DDo (median 9/20). Late south 9/16 Scott WCM, 9/17, 9/25 Dakota JLO (median 9/25).
2007Spring1725 Early south 4/28 (ties earliest date, no details) Benton REH, 5/2 Olmsted JWH, PWP, 5/5 Goodhue SWe (median 5/4). Early north 5/8 Cass (2) BAW and St. Louis ALE, 5/12 Koochiching (12) AXH, Lake ADB, Mille Lacs NSc, and Morrison DTM (median 5/7). High count 5/31 St. Louis (25 at Park Point, Duluth) CLW. Late south 5/26 Scott (3) BAF and Sherburne JBB, 5/27 Pipestone CRM, JCC, LS, RTH (median 5/31).
2007Summer14 Observed in Roseau, Mille Lacs, most North-central and all Northeast counties.
2007Fall1223 Early south (median 8/9) 8/8 Jackson KJB, 8/13 Rice DAT, 8/14 Rice TFB. Late north 9/15 St. Louis PHS, 9/22 St. Louis ASc (median 9/20). Late south 9/9 Anoka DWK, Le Sueur DAB, 9/11 Freeborn CRM, 9/15 Pope HHD (median 9/25).
2008Spring1832 Early south (median 5/4) 5/1 Dakota LMS, 5/3 Hennepin PEB, 5/4 Winona ANy. Early north (median 5/7) 5/7 St. Louis SES, 5/10 Aitkin KCR, Cass BAW, 5/11 Itasca EEO, St. Louis SLF. Peak migration 5/13 with high counts from Scott (8) DWK, Steele (5) NFT, and Sherburne (4) ADB. Late south 5/30 Scott (Murphy-Hanrehan P.R.) BAF, 5/31 Hennepin PEJ, Mower RVJ, Olmsted JWH, Scott DWK (but see summer report) (median 5/30).
2008Summer153 Record high number of reports. Found in all northern regions plus Central, East-central. Potential late south migrant 6/14 Chisago HHD.
2008Fall722 Early south (median 8/9) 8/19 Sherburne ASc, 8/22 Rice (hatch-year female banded and photographed) DAT, 8/23 Dakota DDo, Le Sueur RMD, Sherburne PLJ. High count 8/30 Scott (5, Murphy-Hanrehan P.R., north trails.) BAF. Late north 9/4 Mille Lacs RBJ, DAC, 9/8 St. Louis LBF, 9/12 Morrison DMF, St. Louis PHS (median 9/20). Late south 9/16 Dakota JPM, Houston NBO, 9/20 Swift DBM, 9/21 Blue Earth ChH (median 9/25).
2009Spring2224 Early south (median 5/4) 5/7 Rice DAB, 5/9 Goodhue SWe, Murray NED, Stearns HHD. Early north (median 5/7) 5/13 St. Louis PHS, 5/14 Kanabec CAM, Morrison MJB, 5/15 Itasca EEO. High count 5/16 Benton (12, Bend in the River C.P.) MJB. Late south 5/29 Sherburne ASc, 5/30 Scott BAF (median 5/30).
2009Summer12 Reported in North-central, Northeast, plus Mille Lacs, Pine. High count 6/6 Koochiching (20) AXH.
2009Fall1223 Early south (median 8/9) 8/21 Swift KRE, 8/23 Anoka DWK, Dakota LS. High count 8/29 Anoka (6) DWK. Late north Mille Lacs ASc, St. Louis PRH, 9/14 St. Louis CRM (median 9/20). Late south 9/21 Rice TFB, 9/22 Hennepin SLC, 9/23 Carver (2) JCy, 9/25 Steele HHD (median 9/25).
2010Spring1824 Early south (median 5/4) 5/2 Carver (Rapids Lake) JCy, 5/8 Stearns (Collegeville) RPR. Early north (median 5/7) 5/12 Cass ABi, 5/13 Clay RHO. High count 5/24 St. Louis (7, Park Point) DWK. Late south 5/23 Brown, Renville (2) and Yellow Medicine BJU, Nicollet ChH, RMD, 5/24 Lac qui Parle BJU (median 5/31).
2010Summer141 Reported from North-central and Northeast, plus Kittson, Mille Lacs, Sherburne.
2010Fall1018 Early south (median 8/9) 8/7 Anoka DWK, 8/8 Hennepin DDo, Isanti HHD. High count 8/21 St. Louis (5, Park Point) CRu. Late north 9/9 Lake DaE, 9/11 Morrison JWH, 9/21 St. Louis ABL (median 9/20). Late south Waseca DAB, 9/16 Hennepin SLC, 9/26 Olmsted JPr (median 9/25).
2011Spring2544 Early south (median 5/4) 5/5 Carver RDE, Dakota ADS, Hennepin ChH, CMB, AnK, (Bass Ponds) RTe, SLC and then reported from throughout the south frequently for the rest of the month. Early north (median 5/7) 5/7 Douglas ARW, 5/10 Cass BAW, Clay RHO, Kanabec RAE, Pennington JMJ. Late south 5/28 Anoka PEB, Blue Earth RMD, Hennepin SLC, Lac qui Parle BJU, RLW, SWe, Steele DAB, PSu, 5/30 Chippewa BJU, Hennepin SHF (median 5/31).
2011Summer17Found in all northern regions plus Mille Lacs, Pine. First county breeding record from Pine APa. High count 6/15 St. Louis (20, Echo Trail) AJo, BWi.
2011Fall1020 Early south (median 8/9) 8/13 Hennepin (Minnehaha Creek) TAT, Rice TFB, 8/14 Hennepin (T.S. Roberts Bird Sanctuary) TAT. Late north 9/8 Cook (2) EHo, 9/11 Lake DaE, 9/24 St. Louis RZi (median 9/20). Late south 9/26 Hennepin (Lake of the Isles) ELe, 9/27 Carver (Carver Park) JCy, 10/24 (record late) Fillmore ph. ANy.
2012Spring2032 Early south (median 5/4) 5/2 Goodhue GJM, 5/3 Blue Earth ChH, Olmsted JWH, Ramsey RMD, MDu, ShW. Early north (median 5/7) 5/5 Grant DBz, Itasca SC, 5/6 Traverse DBz, 5/7 Crow Wing SC. High count 5/28 St. Louis (7, Southworth Marsh, Duluth) JLK. Late south 5/27 Hennepin TAT, Kandiyohi JoS, Lac qui Parle BJU, 5/28 Rock KRE, CRM (median 5/31).
2012Summer16 Observed in all northern regions plus Mille Lacs, Pine.
2012Fall1632 Early south (median 8/9) 8/7 Sherburne PLJ, 8/9 Hennepin (2) TAT, Yellow Medicine CRM, ALo. High counts 8/20 Faribault (7, Rice Lake W.M.A.) CoN, ClN, 8/21 St. Louis (6, Hartley Park) JLK. Late north 9/5 Polk SAu, St. Louis (Sax-Zim Bog) RCa, 9/8 St. Louis (Lester River) KJB (median 9/20). Late south 9/17 Ramsey TAT, 9/18 Carver JCy, Fillmore NBO (median 9/25).
2013Spring2544 Early south (median 5/4) 5/2 Anoka DvS, 5/4 Hennepin BAF, SHF, 5/8 Dakota GLa, BAb, Hennepin AdJ, Winona ClN. Record early north was one in Crow Wing 4/21 ph. JPR, followed by 5/9 St. Louis KrB, 5/14 Cass BAW, Crow Wing JSB, Hubbard MAW, Lake NLM. High counts all from Park Point R.A. and Southworth Marsh: 5/21 St. Louis (17) KJB, 5/20 St. Louis (10) PHS. Late south 5/30 Chisago RZi, Dodge JWH, but also see summer report (median 5/31).
2013Summer223 Found in all northern and central regions. First county breeding record for Itasca fide BBA. Late south migrant 6/6 Carver JCy.
2013Fall1515 Early south (median 8/9) 8/14 Steele PSu, Washington PNi, 8/18 Hennepin RQu, 8/22 Carver JCy, Steele PSu, 8/23 Carver WCM, JCy. Late north 9/12 St. Louis TRK, 9/15 Lake AxG, Morrison KLi, 9/18 Polk SAu (median 9/20). Late south 9/13 Dodge LMS, HHD, CRM, 9/14 Redwood BTS, 9/16 Blue Earth ChH, 9/22 Hennepin ARh (median 9/25).
2014Spring2533Early south (median 5/4) 5/5 Rice TFB, 5/6 Freeborn BWF, Stearns RAE plus six counties on 5/7. Early north (median 5/7) 5/8 Crow Wing ABi, Morrison DLP, MEm, 5/9 Crow Wing JPR, Itasca SC, Morrison HCT. Notable high count 5/25 St. Louis (15) RSA. Late south 5/28 Hennepin GrS, Washington RMD, 5/31 Washington ASi (median 5/31).
2014Summer131Found in all northern regions plus Pine. Late south migrant 6/1 McLeod (Hutchinson) fide PRH.
2014Fall1929 Early south (median 8/9) 8/12 Steele PSu, 8/14 Sherburne PLJ, PMJ, 8/15 Blue Earth ChH. High counts 8/16 St. Louis (15, Hawk Ridge/Lester River Census) KJB, 8/12 St. Louis (12, Hawk Ridge/Lester River Census) KJB, 8/22 Lake (12, Tettegouche S.P.) ClN. Late north 9/17 St. Louis JLK, 9/20 Becker HeH, ShG, Beltrami DPJ, 9/28 St. Louis KJB (median 9/20). Late south 9/15 Hennepin BAF, Sherburne TSh, 9/20 McLeod PRH, 9/21 Carver JCy, Steele JCC (median 9/25).
2015Spring2337 Early south (median 5/4) 5/2 Hennepin CMB, WBe, CRM, Rice TFB, 5/4 Ramsey CRo. Early north (median 5/7) 5/7 St.Louis SC, 5/8 Itasca SC, Lake JWL. High count 5/18 St. Louis (22) KJB. Late south 5/28 Scott BAF, 5/30 Sherburne JLK (median 5/31).
2015Summer161 Found in all northern regions plus Pine, Washington.
2015Fall1835 Early south (median 8/10) 8/4 Waseca PSu, 8/10 Steele PSu, 8/11 Rice TFB, Sherburne PLJ. High counts 9/1 St. Louis (12, Hawk Ridge/Lester River Census) KJB, 8/18 Carver (5) JCy. Late north 9/15 St. Louis KJB, 9/26 St. Louis DAB, ALx, JLK (median 9/20). Late south 9/18 Olmsted JHD, Steele PSu, 9/19 Scott JcM, 9/23 Carver JCy (median 9/25).
2016Spring2536 Early south (median 5/3) 5/1 Rice TFB, 5/5–7 Carver JCy, 5/7–8 Goodhue SHk, m.ob. Early north (median 5/8) 5/7 Cass DAY, 5/8 St. Louis JWL, 5/9–10 Itasca SC. High count 5/28 St. Louis (20, Hartley N.C.) EBr. Late south 5/23 Blue Earth ChH, Olmsted LAV, Steele PSu, Swift DOr, 5/24 Hennepin JWl, JJo, Kandiyohi LFa (median 6/1).
2016Summer133 Found in North-central, Northeast plus Benton, Hennepin, Roseau, Washington.
2016Fall2030 Early south (median 8/10) 8/1 Benton HHD, 8/7 Dakota DFN, 8/9 Carver WCM. High counts 8/30 Washington (8, Afton S.P.) KvM, PNi, 8/30 Carver (7, Carver P.R.) JCy. Late north 9/19 St. Louis (3, Hawk Ridge/Lester River Census) KJB, 9/22 Morrison SEm (median 9/21). Late south 9/23 Ramsey ASu, 9/25 Stearns AUm, 10/9 Dakota DFN (median 9/24).
2017Spring2237 Arrived south on the median 5/3 Washington ERH, 5/4 Meeker BNn, 5/7 Rice DAB. Early north (median 5/7) 5/9 Itasca SC, St. Louis JfD, 5/10 Cook JaJ then multiple reports on 5/11. High counts 5/27 Aitkin (12) LiH, ASu, 5/27 Clearwater (8, Itasca S.P.) NKu, SKu, 5/27 St. Louis (7) BHo, 5/28 Lake (7, George Crosby Manitou S.P.) JEd. Late south 5/28 Chisago CJE, ECl, Nicollet ANy, 5/29 Blue Earth RAE (median 6/1).
2017Summer142 Reported from all northern regions plus Mille Lacs. Late spring migrant 6/1 Steele PSu. Early fall migrant 7/24 Hennepin HHD.
2017Fall1942 Early south (median 8/10) 8/11 Carver WCM, 8/15 Carver JCy, 8/17 Rice TFB. High counts 8/12 St. Louis (8, Stoney Point) JcM, 8/15 St. Louis (8, Stoney Point) StK. Late north 9/17 Polk SAu, 9/18 Cook GHt, 9/23 Cook GrS (median 9/22). Late south 9/26 Hennepin (Minnesota Valley N.W.R. Headquarters) GrS, Steele PSu, 9/27 Hennepin CMB (median 9/25).
2018Spring2743 Early south (median 5/3) 5/1 Stearns LKo, MKo, Wright RBd, 5/2 Dakota ADS, 5/3 Hennepin EGB. Early north (median 5/7) 5/4 Douglas ToR, 5/5 Lake NLM, 5/10 Itasca EEO. High counts 5/19 Otter Tail (8, Fergus Falls) WPl, 5/25 Lake (8, Superior Hiking Trail) ebd, 5/26 St. Louis (7) BHo. Late south numerous reports through 5/22 and finally ending with 5/24 Hennepin ASu, 5/25 Meeker BNn (median 6/2).
2018Summer161 Reported from northeastern third of state. Fall migrant 7/24 Sherburne (Sherburne N.W.R.) ebd.
2018Fall2347  Early south (median 8/10) 8/6 Carver JCy, Rice TFB, 8/7 Steele PSu. High counts 9/5 Freeborn (8, Albert Lea) ebd, 8/6 Lake (6, Kawishiwi Falls Trail) ebd, 8/11 Carver (6, Minnesota Landscape Arboretum) JCy, 8/22 Steele (6, Somerset Twp.) PSu. Late north 9/17 St. Louis BMu, JLK, 9/24 Cook CDg, 10/4 St. Louis JPR (median 9/22). Late south 10/7 Olmsted BLa, 10/8 Rice DAT, 10/13 Winona (John A. Latsch S.P.) ph. TFe (median 9/25).
2019Spring2749 Early south (median 5/3) 5/4 Sherburne ebd, 5/5 Dakota AJF, Fillmore ToM, Hennepin KBg, Nicollet RHh, Winona ebd. Early north (median 5/7) 5/12 Beltrami ebd, Crow Wing ebd, 5/14 Crow Wing ABi, Lake ebd, Pine KrM, St. Louis JuG, Todd SDi. High counts 5/17 Anoka (28, Locke Park/Rice Creek West Regional Trail) LiH, RMD, 5/16 Sherburne (25, Sherburne N.W.R.) JSf, 5/19 Goodhue (16, Cannon Falls, Riverside Park) ebd. See Summer Report for late south migrants.
2019Summer199 Reported from every region except Southwest. Late spring migrant 6/3 Houston REn, AxB. Midsummer reports as far south as Sherburne, Stearns. Early south fall migrant 7/29 Nicollet WCM.
2019Fall2344 Early south (median 8/10) 8/15 Hennepin JBn, 8/17 Anoka ebd, 8/18 Lyon NMe. Peak migration from the last week of August to mid-September. High counts 8/22 Hennepin (6, Westwood Hills N.C.) ebd, 8/31 Winona (6, Whitewater S.P.) BDo, LiH. Late north 9/22 Lake VWe, St. Louis H.R.B.O., (Park Point) ebd, 9/25 St. Louis (H.R.N.R.) KEJ (median 9/22). Late south 9/28 Rice NiR, 9/29 Ramsey ebd and a record late 10/26 Anoka (Locke C.P.) CF (median 9/25).
2020Spring2746 Early south (median 5/3) 5/1 Anoka RaJ, Houston ASu, 5/2 Hennepin CMB, WPe, JCa. Early north (median 5/7) 5/2 Cass DoH, 5/6 Todd ebd, 5/7 Itasca SC, Todd ebd. High counts 5/16 Carver (12, Minnesota Valley N.W.R., Rapids Lake) JCy, 5/16 Goodhue (12, Frontenac S.P.) BLa. Late south 5/27 Hennepin DSh, Scott JGW, 5/28 Olmsted ebd, 5/30 Washington KEm, JWH, ELC (median 6/1).
2020Summer162 Reported from all northern regions and Hennepin, Pine, Sherburne. High counts 6/3 Carlton (16, Ditchbank Road) ASu, 6/23 Koochiching (15, Fiero Road, 4.9 miles surveyed by foot in 10.5 hrs) JbS, ebd. Fall migrant 7/29 Hennepin ZSk.
2020Fall2844 Found in all regions. See summer report for earliest south migrant (median 8/10); subsequent early south reports 8/11 Rice ebd, 8/13 Dakota DFN. High counts 8/23 St. Louis (10, Park Point R.A.) PHS, 8/16 St. Louis (8, Stony Point) StK, 9/2 Lyon (8, Garvin Park) GWe, 9/4 St. Louis (8, Brighton Beach) HTo. Late north 9/17 Itasca TCL, 9/19 St. Louis MtS, 9/22 Carlton ebd (median 9/22). Late south 9/26 Carver JCy, Stearns AUm, Waseca APi, 9/27 Renville BTS, Steele PSu (median 9/25).
2021Spring2443 Found in all regions. Early south (median 5/3) 5/3–4 Anoka (two locations) KTP, ebd, 5/3–4 Hennepin (three locations) SSc, JJo, ebd. Early north (median 5/7) 5/8 St. Louis ebd, SNe, 5/9 Cass JCu, 5/10 in Clearwater, Hubbard, Otter Tail, St. Louis (different location). High count 5/20 St. Louis (25, Park Point R.A.) HTo, StK, TRK, IDv. Late south 5/30 Hennepin ebd, Washington REn, RLF, 5/31 Anoka ebd, Kandiyohi BNn (median 6/2).
2021Summer16 Encountered in all northern regions plus Mille Lacs. High count 6/7 St. Louis (13, Voyageurs N.P., Echo Bay Trail) ebd.
2021Fall2241 Found in every region. Early south (median 8/8) 8/8 Anoka ebd, Ramsey SPS, 8/10 Sherburne LMc. High counts 8/27 Carver (7, Carver P.R.) JCy, and tallies of 6 from Carver, Lake, Sherburne, Steele. Late north 9/17 Carlton ebd, St. Louis H.R.B.O., 9/19 St. Louis (Lakeside/Lester Park, Duluth) DEd, 9/21 St. Louis (Duluth Lakewalk) SCB, PHS (median 9/23). Late south 9/27 Anoka ebd, 9/27–29 Carver JCy, 9/29 Hennepin ebd (median 9/25).
 
 Breeds north-central and northeast. Migrant throughout.

Notes:

Click on the bird name to see a photographic image of the bird.
Column N  Number of counties where the bird was seen in the North.
Column S  Number of counties where the bird was seen in the South.