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
Tennessee Warbler(Leiothlypis peregrina)
YearSeasonNS
1944SummerJuly 26, juvenile found dead, Duluth, Hatfield.
1945SummerNest, Cook Co., June 8, Brother Hubert.
1962SummerJuly 28, Itasca Park, adult feeding one young out of nest, adult also singing, Brother Theo dore.
1963SummerLake Co., S. Kawishiwi River, July 20, ad feeding 2y out of nest, Avifaunal Club. Parula Warbler: Clearwater Oo., Itasca Park, June 1, 4 singing males, R. Grant. Lake Co., Twin Lake, July 15, ad male feeding 2y, Jan Green.
1963Falllatest, Oct. 5, Goodhue Co.. R. B. Janssen.
1964Spring4-29 Hennepin Co, RBJ.
1964Summerlast spring date, 6-16, Duluth, JNG; fall dates, 7-16, Duluth, PBH; 7-26, Hibbing, SM; 8-14, Duluth, JCG; 8-23, Minneapolis, DB. 
1964Fall9-8 Ely, St. Louis Co, 62 banded, JCG; 9-25 Stearns Co, RPR; 9-28 Fargo-Moorhead, EGA; 10-13 Cook Co, MAF.
1965Springearliest 4-30 Bloomington, JRR.
1965Falllatest 10-7 Wabasha, DGM and 10-8 Two Harbors, RK.
1966Springearliest 4-23 St. Paul, MIG; 5-6 St. Paul, MIG; 5-6 St. Paul, ACR; 5-7 Carver Co, EHH, Vasa, BL and Winona, GG, GD, FV; a few were still singing in the Twin Cities area during the first week of June due, no doubt, to the late season.
1966Summerreported from Cook, Lake, St. Louis and Itasca Co's; 7-19 Morrison Co, 4, LSR, undoubtedly early fall migrants? (See Notes of Interest)
1966FallLatest 10-7 Cook Co., MAF; 10-8 Duluth, JCG, HFH; and Hennepin Co., VL; 10-11 Ramsey Co., MIG.
1967Springearly 5-5 Wright Co., EC; 5-10 Hennepin Co., RDT, Olmsted Co., CMJ, JPF and Morrison Co., LSR; 5-11 Ramsey Co., BL. Orange -crowned Warbler: early 4 -16 Olmsted Co., CMJ, JPF; 4-18 Ramsey Co., BL; 4-23 Washington Co., JO; late 5-22 Ramsey Co., ACR; 5-23 Kanabec Co., RHJ; 5-26 Lake Co., VF and Clearwater Co., JAH.
1967Summer6-11 Fargo-Moorhead, fide EGA, late spring migrant; reported from Lake and Cook Co's.; 7-25 Morrison Co., LSR, first fall migrants ?
1967Fall earliest 7-25 Morrison Co., LSR (may breed there?); 8-23 Fargo-Moorhead, EGA; 8-31 Washington Co., DS; 9-1 Stearns Co., KE; 9-2 Hennepin Co., VL; latest 10-6 Hennepin Co., VL; 10-10 St. Paul, ACR and Lake Co., RK; 10-15 Ramsey Co., RJC.
1968Spring early 4-25 Clay Co., fide EGA; 5-1 Minneapolis, GES; 5-4 ( Wabasha Co., DGM; 5-5 Minneapolis, EHH, St. Paul, RJC.
1968Summer 6-9 Marshall Co, A WR; 6-10 Fargo-Moorhead, fide EGA; late spring migrants; reported from Cook, Lake, St. Louis Co's; 6-24 Forest Lake, Washington Co, 2 ad+ I y, WHL (!!); 7-18 Morrison Co, 8 banded, LSR, apparently early fall migrants; 7-31 Minneapolis, KWE; 8-16 Anoka Co, WHL; 8-30 Wright Co, GES, migrants.
1968Fall9-7 St. Louis 20 JCG; 9-14 Hennepin 20+ DB; late 10-8 Lake RK; 10-14 Olmsted HBW; 10-19 Hennepin VL.
1969Spring5-4 Hennepin Co., DB, FN/ MAS; 5-5 (10) Winona Co., BT; 5-15 (20+) Hennepin.Co., CLH; 5/5 Duluth, PBH; 5-16 M1lle Lacs Co., MI, and Kanabec Co., RHJ; 5-22 (20) Ramsey Co., JJ; 5-24 Cottonwaad Co., LAF, and St. Louis Co., NJH; 5-27 Ramsey Co., MIG.
1969Summerreported from Cook and St. Louis Co's. Early fall migrants reported from Duluth 7-25 MMC; Winona 7-28 TV; and Morrison 7-21 LR.
1969Fall8-1 Duluth MC; 8-22 St. Louis 1 banded HM; 8-31 Washington WHL; 9-4 Hennepin DB and KP; 9-30 Washington WHL; 10-1 Morrison LSR; 10-1 Winona BTV; 10-8 Duluth KS.
1970Springearly south 4-28 Hennepin GES; 5-2 Winona J LM; 5-3 Goodhue DB; early north 5-8 Morrison LR; 5-19 Lake RK and Crow Wing JB; late south 5-29 Wright BH and Hennepin WL, DB.
1970Summerreported from Cook, St. Louis (Clifton 7-3,8,9 JCG). and Hennepin (6-6 VL, late migrant).
1970Falllate north 9-29 Morrison LR; 10-19 Duluth KS; early south 8-25 Wright ES; 8-26 Carver KH; late south 10-21 Hennepin WKE; 10-24 Winona, Fran and Marge Voelkerr; 10-26 Hennepin VL.
1971Springearly south 5-2 Lyon HK; 5-3 Ramsey JAB; 5-4 Olmsted HW; early north 5-15 St. Louis NJH and Clearwater RCD· late south 5-30 Washington WL; 5-31 Hennepi,; BDC FN w~.,,
1971Summerreported from Cook, Crow Wing, Lake, St. Louis, Marshall, Clearwater, Carl· ton, Hennepin (6·1 and 6-2 WKE, late migrant) and Morrison (7-16 LR, early migrant or summer resident?
1971Fallearly south 8-20 Ramsey; 8-24 Dakota; late south 10-3 Carver; 10-10 Hennepin; late north 10-7 Morrison; 10-8 Duluth; 9-20 Crow Wing.
1972Summerseen in Clearwater (RCD· EW), Aitkin (7·26 TS), S. (7-18 to 26 Duluth MMcl t-7Ns~!r~~~: Lake, Cook; migrants. 6·5 Ramsey, Winter 1972
1972Fallon 8-6 in Washington Co. (WHL),
1973SpringTDNESSI:I: VAJUILERt 33 RI:PORTI:RS REPORTING. !:AJU.Y SOUTH l-IS kOUSTON FZ.W  5-116 VASHUISTON VHLJ S-lin LYl)N MCKI EAI'lLY NOI'ITJI &-116 IIRMT XRLt 5·14  ST. LOUIS .11:01 S-16 CASS ASSJ P!:AX S-26 OTTVtTAJL Cll> KCXJ 15•16  OTTERTAIL 08> MCKJ LATE SOUTH 6-13 HDfNEPJN KRZJ ~II WASNIN8TOII WHLJ  LATE NORTH S-31 GRANT KREJ S-2e ST. I OUU £TS.  
1973Fall Reported from nine counties. Early 8-10 Anoka (2) (SC). Peak 9-17 Morrison (55) (LSR).
1974Spring Early south 5-4 Ramsey REH; 5-4 Goodhue RBJ; 5-7 Hennepin ETS: early north 5-17 Crow Wing TS; 3 reports 5-18; late south 5-29 Stearns NMH.
1974Summer Reported from Marshall, Clearwater, Lake, Cook; also late migrants seen 6-1 to 6-3 in Ottertail, Stearns, Hennepin, Washington, Dakota, Goodhue, Cottonwood.
1974Fall Early south 8-24 Le Sueur RBJ; late north 9-26 Morrison LSR; 10-9 Duluth JG; late south 9-25 Cottonwood LF; 10-5 Rock KE; 10-13 Hennepin VL.
1975Spring Early south 4-13 Hennepin EWJ; 430 Hennepin EPRD; 5-4 Rock HCK; early north 5-13 Marshall SV; 5-15 St. Louis GJN; 5-16 Cook MMC; late south 5-31 Rock OLJ, KE.
1975Summer Reported from Cass, St. Louis and Lake; late migrants 6-1 Rock (KE) and 6-3 Washington (WL). Nashville Warble·r Reported from Marshall, Lake of the Woods, Aitkin, Cass, Wadena, Itasca, St. Louis, Lake, Cook and Sherburne.
1975Fallearly south 8-8 Hennepin EM; 8-18 Ramsey BS; late north 10-10 Duluth JG; 10-24 Cook RJ, JG; late south 10-4 Rock KE; lOll Washington BL; 10-15 Hennepin BDC. Orange·crowned Warbler: early 822 Clay LCJ, Lyon HK, Cottonwood LF; late north 10-18 Clay LCF; 10-28 Duluth JG; late south 10-16 Hennepin ES; 11-16 Wright BSH. Nashville Warbler early south 8-8 Hennepin EM; 8-18 Ramsey BS; late north 10-2 Duluth JG; 10-18 Ottertail LCF; late south 10-16 Hennepin EM; 10-24 Ramsey GC.
1976Spring Early south 4-9 Freeborn DG; 5-6 Hennepin FN, BDC; 5-8 Anoka WL and Pipestone LH; early north 5-13 St. Louis GN and Marshall SV; 5-14 Crow Wing JB and St. Louis DS; late south 5-25 Murray AD and Olmsted JF.
1976Summerreported only from St. Louis and Lake.
1976Fall Early south 8-13 Hennepin, 8-23 Olmsted; late north 9-25 Crow Wing, 10-7 Duluth; late south 10-1 Anoka and Washington, 10-10 Olmsted.
1977Spring Early south 3 reports on 4-30; early north 5-5 Otter Tail GO; 5-8 Crow Wing TS; late south 5-30 Cottonwood RG.
1977Summer Apparently nested in Otter Tail (6-3 to 6-20, Aurdahl and Long Lake Twps., adults carrying food; GO, S. Millard); also reported from Clearwater, Itasca, St. Louis, Lake and Cook; migrants seen 6-1 Hennepin, 6-11 Lac qui Parle (CMB), 7-13 Stearns (S. Hansen), and 7-25 Washington (DMB).
1977Fall Late south 10-29 Houston (EMF) 1/2 Hennepin (ES). ' 
1978Summer Late migrant 6-1 Duluth. Seen in Beltrami (Waskish) Bridgeman). Early Washington, 7-29 Hoand Cass migrants uston. (7-22, 7-23
1978Fall Early south 8-3 Washington DMB and 8-4 Houston; late north 9-16 St. Louis RJ; late south 10-19 Houston EMF.
1979Spring Early south 5-5 Hennepin RE, Lyon HK, Rice LB, Washington DR; early north 5-2 Otter Tail GMO; late south 5-30 Washington DR.
1979Summer Late migrants 6-2 Clay, 6-21 Murray; early migrants 7-16 Duluth. Seen in Lake, St. Louis, Clearwater, Beltrami (7-17).
1979Fall Early south 8-5 Washington DMB, 8-22 Hennepin OJ; late north 10-4 Pennington KSS, 10-7 St. Louis JG, 10-25 St. Louis K. Sundquist fide KE; late south 10-17 Washington DMB, 10-18 Houston EMF.
1980Spring Early south 5-3 Murray AD, 5-6 Washington DS; early north 5-4 Otter Tail GMO, 5-9 St. Louis KMH; late south 5-23 Nicollet JCF, 5-28 Lyon HK; late north 5-23 Clay NH, 5-31 Aitkin WN.
1980Summer Seen in Cook, St. Louis, Becker (6-11 Green Water Lake). Early migrants North: 7-3 (2), 7-19 (12) Duluth Twp.; South: 7-17 Anoka, 7-21 Houston, 7-24 Washington.
1980Fall Early south 8-11 Olmsted JEB, 8-18 Washington DMB; late north 9-27 Cook KMH, 10-2 St. Louis JG; late south 10-9 Washington DMB, 10-15 Houston EMF.
1981Spring Early south 4-30 Ramsey FKB, 5-1 Fillmore GBE, 5-3 nine reports from eight counties; early north 4-29 Crow Wing JB, 5-8 Crow Wing TS, 5-9 Aitkin WN, Itasca TL.
1981Summer Seen in Cook; all other records probably migrants. Late migrantsSouth: 6-2, 6-3. Early migrants North: 6-25 St. Louis (Duluth Twp.), 6-30 Pine (Finlayson), 7-5 Marshall (Agassiz NWR); South: 7-12, 7-22, 7-26.
1981FallEarly south 8-8 Anoka DB, OJ, 8-16 Houston EMF, 8-17 Anoka JLH; late north 10-22 St. Louis KE, 10-24 Cook KMH, 10-31 Roseau KSS; late south 10-10 Houston RJ, 10-15 Hennepin SC, Martin EB / K.
1982Spring Early south 5-3 Hennepin SC, 5-4 Hennepin AB, DB, 5-5 Hennepin RJ, VL, Houston JP/ AM, Wabasha DWM; early north 5-7 Clay LCF, 5-10 Beltrami JSP, Crow Wing JB, 5-12 Marshall ANWR, Otter Tail SDM.
1982Summer Seen in Cook, Beltrami. Early migrants: 7/30 Houston.
1982Fall Early south 8/28 Steams NH, 8/30 Hennepin DB, Olmsted JEB; late north 9/19 Aitkin WN, 9/26 Clay LCF. 10/7 Cook KMH; late south 10/9 Washington TBB, 10/13 Stevens RJ, 10/20 Houston EMF.
1983Spring Early south 51 I Houston EMF, Mower RRK, 5/3 Freeborn. RS, 5/6 Anoka SC, Mower BJ, Olmsted JEB, RE; early north 5/6 Clay LCF, 5/10 Crow Wing JB, 5/13 Mille Lacs MLWMA.
1983Summer Seen in Lake, Cook, St. Louis (Duluth Twp., 6/19, JCG). Late migrants: 6/5, 6/7, 6/8.
1983Fall Early north 8/6 Lake of the Woods KE, 8/8 Clay LCF; early south 8/18 Hennepin SC, 8/22 Houston EMF, 8/31 Olmsted JEB; late north 9/28 Lake SWIMS, 10/2 St. Louis MH, 10/13 KE, Cook KMH; late south 10/14 Hennepin SC, 10/16 Olmsted BE, 10/19 Ramsey RG.
1984Spring Early south, 5/5 Lyon HK, 5/8 Winona JH, 5/10 Hennepin ES, SC, Brown JSp; early north 5/6 St. Louis AE, 5/13 Aitkin WN, 5/16 Marshall ANWR, KSS; late south 5/20 Anoka JH, 5/22 Washington WL, Wabasha WDM, 5/23 Hennepin VL; late north 5/26 Polk AB, 5/27 Roseau KSS, 5/28 St. Louis SNP.
1984Summersee in Lake, St. Louis and Clearwater.
1984Fall Early south 8/11 Brown JSp, 8/22 Hennepin SC; late north 10/26 Cook KMH, 10/30 St. Louis SWIMS; late south 10/14 Lyon HK, 10/16 Houston EMF, 11/7 Brown JSp.
1985Spring Early south 4/29 Winona JH, 4/30 Ramsey KB, BL, 5/1 Hennepin SC, Dakota JPIAM, 5/2 Olmsted JEB, RE, Blue Earth MF, Dakota AB; early north 5/3 Otter Tail SDM, 5/4 Red Lake, Polk TT, Aitkin WN, 5/7 Lake SWIMS, Marshall ANWR; late north 5/15 Cook WP, 5/20 Koochiching GM.
1985Summer Late migrant 6/4 Murray. Seen in Cook, Lake, St. Louis (including Duluth, KE).
1985Fall Early north 8/11 Koochiching GM, 8/15 Clay LCF; early south 8/14 Anoka JH, 8/14 Washington WL, 8/15 Hennepin SC, 8/16 Dakota TTu; late north 9/26 Kanabec SSt, 10/12 Aitkin WN, 10/17 Cook KMH; late south 10/5 Hennepin SC, JP/AM, 10/11 Chippewa RGJ.
1986Spring Early south 4/26 Chippewa AB, DB, 4/27 Lac qui Parle HK, 4/29 Fillmore AMP, 5/1 Hennepin SC; early north 4/27 Pennington KSS, 5/6 Clay LCF, 5/8 Otter Tail SDM, 5/9 AB, 5/9 Marshall ANWR; late south 5/28 Murray ND; late north 5/26 Lake SWIMS, 5/29 Clay LCF.
1986Summer Late migrant 6/ I Clay. Seen in Cook, Lake, St. Louis, Koochiching, Lake of the Woods, Beltrami. Early migrants 7/14 Dakota (JD), 7/20 Wright, 7/25 Hennepin, 7/28 Brown.
1987Spring Early south 4/25 Wabasha WDM, 4/29 Dakota JD and Olmsted RSE, 5/1 Lyon HK; early north 5/2 Wilkin GAM, 5/5 Marshall ANWR and St. Louis AE, 5/6 Lake SWIMS; late north 5/31 Lake TM, 5/24 Clay LCF; late south 5/26 Hennepin SC, 5/27 Washington WL.
1987Summer Seen in Cook, Lake, St. Louis, Cass (6/13, northwest comer of county, BBS), Hubbard. Early migrants: 7/24 Ramsey and Dakota, 7/26 Fillmore.
1987Fall Early north 8/1 Wilkin FS, 8/3 Lake FS; early south 8/1 Olmsted RSE, 8/3 Anoka SC; late north 10/3 Crow Wing AP, 10/8 Cook KMH, 10/12 Duluth WE; late south 10/3 Dakota TT and Olmsted RSE, 10/9 Hennepin SC and Fillmore ANO, 10/14 Washington WL.
1987Winter The first winter record was of an individual found on the Grand Marais, Cook Co., CBC, 12/19 (KMH) (The Loon 60:38-40).
1988Spring Early south 4/30 Hennepin TT, 5/1 Ramsey AB, Goodhue DZ and Olmsted JEB, 5/3 Mower RRK and Brown JS; early north 5/5 Otter Tail SDM, 5/7 Clay LCF, Cook KMH and Lake of the Woods SKS; late south 5/23 Swift AB, 5/24 Anoka JH.
1988Summer Seen in Hubbard, St. Louis, Lake, Cook. Early migrants: North, 7/23 Red Lake; South 7/16 Hennepin (TI), 7/19Washington (DS).
1988Fall Early south 8/1 Hennepin SC, ES, 8/5 Houston EMF; late north 10/1 Cook KMH, 10/3 Traverse and Douglas AB; late south 10/3 Fillmore NAO, 10/7 Hennepin SC, 10/15 Houston EMF.
1989Spring Early south 4/28 Mower JM, 5/4 Nicollet MF, 5/5 Houston AP and Ramsey AB; early north 5/3 Marshall SKS, 5/10 St. Louis AE, 5/12 Hubbard JL; late south 5/24 Nicollet LF, 5/25 Hennepin SC, 5/27 Wabasha RJ.
1989Summer Seen in Aitkin, Itasca, St. Louis, Lake, Cook. Late migrants 6/4 Hennepin, 6/9 Ramsey KB; early migrants 7/12 Ramsey KB, 7/20 Pennington, 7/23 Renville.
1989Fall Early south 8/10 Hennepin SC, 8/13 Anoka OP; late north 9/22 Clay LCF, 10/10 Lake DPV, 10/29 Cook KR; late south 9/28 Washington WL, lOll Anoka OP, 10/6 Hennepin SC and Winona CS.
1990Spring Early south 4/28 Houston FL and Mower JM, 4/30 Hennepin SC, 5/4 GoodhueAB and Le Sueur EK; early north 5/15 St. Louis BP, 5/1 6 Cook OSL, Otter Tail SDM and Todd RJ, 5/17 Carlton LW; late south 5/30 Lac qui Parle CMB, 5/31 Anoka JH and Hennepin sc.
1990Summer Seen in Lake of the Woods, Clearwater, Hubbard, Lake, Cook; late migrants 6/1 Lac qui Parle and Hennepin, early migrants 7/16 Anoka, 7/19 Chisago.
1990Fall Early south 8/13 Hennepin SC, 8/14 Ramsey EL; late north 9/26 Cook KMH, 9/29 Todd RJ, 10/6 Lake KR; late south 10/6 Houston EMF and Winona CS, 10/9 Hennepin SC.
1991Spring Early south 4/27 Brown BB, 4/29 Houston EMF, 5/2 Olmsted BSE and Winona CS; early north 5/9 Grant SDM, 5/10 Clay LCF and Otter Tail MO; late south 5/25 Anoka DZ, 5/29 Hennepin SC.
1991Summer Seen in Roseau, Itasca, Lake, Cook; plus migrants 6/1, 7/25 Hennepin, 7/31 Clay.
1991Fall Early south 8/8 Hennepin TT, 8/9 Brown JS and Ramsey KB; late north 10/19 St. Louis KR, 10/26 Cook KMH, PS; late south 10/15 Houston EMF, 10/23 Hennepin SC.
1992Spring Early south 5/1 Olmsted AP and Sherburne DO, 5/2 Pipestone JP and Rice KR; early north 5/5 Beltrami DJ, 5/7 Otter Tail SDM, 5/8 Becker BBe and Roseau MCBS; late south 5/28 Anoka JH, 5/30 Hennepin OJ.
1992Summer Seen in Koochiching, St. Louis, Lake, Cook, Aitkin. Migrants reported in five other counties, including early migrant 7/10 Hennepin SC.
1992Fall Early south 8/3 Hennepin SC, TT, 8/14 Winona CS; late north 10/2 Lake DPV, 10/4 Roseau PS, 10/16 Cook PB, PS; late south 10/10 Winona CS, 10/20 Hennepin SC.
1993Spring Early south 4/26 Hennepin SC, 4/30 Wabasha CS. Early north 5/7 Kanabec CM, 5/8 Aitkin WN, Becker BBe and St. Louis mob. Late south 5/30 Hennepin, 5/31 Freeborn DN.
1993Summer Seen in Itasca, Aitkin, St. Louis, Lake, Cook; plus late migrant 6/2 Hennepin and early migrants 7/12 Anoka CF; 7/16,18 Hennepin SC, TT; 7/23 Brown.
1993Fall Early south 8/4 Anoka KB and Hennepin SC. Late north 9/26 St. Louis TW, 10/1 Cook KMH, 10/16 Cook mob. Late south 10/7 Washington WL, 10/10 Anoka CF and Ramsey EL, 11/1 and 11/15 (these two represent the latest fall dates on record) Hennepin SC.
1994Spring Early south 4/24 (second earliest record for Minnesota) Chippewa AB, 4/29 Winona RJ; early north 5/8 St. Louis ME/SK, 5/12 Kanabec CM, 5/13 Otter Tail CS/KC; late south 5/26 Washington DS, 5/31 Hennepin SC, DZ.
1994Summer Observed in Lake of the Woods, Koochiching, St. Louis, Lake, Cook, Cass, Becker. Late migrant 6/4 Scott; unusually early migrants 7/12–13 Hennepin SC, fide PBa; 7/17 Clay CF; 7/23 Rock ND; 7/24 Hennepin TT; 7/26 Winona CS.
1994Fall Early south 8/5 Hennepin JBe, SC, 8/11 Brown JS and Rice TB. Late north 9/25 Cook KMH and Pennington KSS, 11/5 Clay CF (latest date north on record). Late south 10/12 Winona AM, 10/16 Hennepin SC.
1995Spring Early south 4/29 Winona AM, 5/7 Hennepin TT and Lac qui Parle RB; early north 5/1 Clay SLM, 5/7 Cass AB and Kanabec CM; late south 5/31 Anoka KB, Hennepin JBe, PJ and McLeod RJ.
1995Summer Most reports in more than fifteen years years. Nested in St. Louis KB (spruce bog near Echo L.; first positive breeding record since 1970 for state). Also observed in Roseau, Beltrami, Koochiching, Lake, Cook; plus 6/11 Becker, 7/15 Clay CF. Migrants observed in six southern counties; late migrants 6/3 Nicollet and Anoka, early migrant 7/18 Hennepin. Unusual mid-summer report: 7/1 Rock ND.
1995Fall Early south 8/3 Winona CS, 8/5 Dakota TT. Late north 9/30 Pine WM, 10/4 Todd JSK, 10/14 St. Louis WM. Late south 10/14 Scott WM, 10/17 Houston EMF, 10/21 Winona CS.
1996Spring Early south 5/9 Hennepin SC, 5/10 Hennepin PBu, 5/12 Hennepin TT. Early north 5/15 Cass MN, 5/18 Carlton LW and Otter Tail SDM. Late south 5/29 Hennepin PBu, 5/30 Brown JSp, 5/30 Hennepin (12+) SC.
1996Summer Many reports, especially of southern migrants. Observed in seven north central and northeast counties plus Roseau, Becker. Late migrants Winona (no date), 6/1 Todd, 6/2 Lac qui Parle and Isanti, 6/9 Hennepin, 6/12 Chisago RH; early migrants 7/25 Hennepin, 7/31 Brown.
1996Fall Early south 8/18 Hennepin DBo, 8/21 Hennepin SC, 8/23 Houston EMF. Late north 10/6 Kittson PS, 10/12 St. Louis DJo, SCM. Late south 10/6 Houston EMF, 10/12 Hennepin (3) SC, 10/15 Ramsey KB.
1997Spring Early south 5/4 Washington DS, 5/5 Fillmore NO, 5/6 Hennepin SC. Early north 5/17 Aitkin WN and Kanabec CM. Late south 5/31 Hennepin (10) SC, 5/31 Mower RJe.
1997Summer Observed in St. Louis, Lake; plus 7/6 Kittson (singing at L. Bronson S.P. and another location) PS. June migrants reported in eight southern counties; late migrants 6/15 Brown JSp, 6/20 Anoka KB. One early migrant: 7/26 Hennepin.
1997Fall Early south 8/15 Hennepin SC, 8/21 Brown JSp, 8/22 Dakota TT. Late north 10/6 Cook KMH, 10/26 Cook WM, 11/2 Cook MH. Late south 10/7 Houston EMF, 10/11 Hennepin SC, and 10/14 Fillmore NO.
1998Spring Early south 5/6 Rice TBo, Olmsted (3) CK, and Washington RJ. Early north 5/9 Otter Tail GB, 5/10 Becker BBe, 5/11 Morrison WB.
1998Summer Fewest reports since 1991. Seen in Marshall, Pennington, Beltrami, Clearwater, St. Louis, Cook; plus late migrant 6/7 Hennepin, early migrant 7/16 Hennepin.
1998Fall Early south 8/10 Anoka TBr and Hennepin LE, 8/13 Anoka TBr, 8/14 Rice JLa. Late north 10/1 Aitkin CMG, 10/3 Carlton LW, 10/22 St. Louis mob. Late south 10/10 Goodhue BL, 10/11 Olmsted CH, 10/12 Hennepin TT.
1999Spring Early south 4/27 Hennepin TT, then many reports on 5/1 and 5/2. Also arrived north on time, where first reported 5/4 Beltrami DJo, 5/5 Grant SDM. Late south 5/28 Hennepin SC and Olmsted BBr. Record high count 5/8 Goodhue (250) AH, PS.
1999Summer Few reports, similar to last year. Observed in Cass, St. Louis, Lake, Cook; plus 7/1 Otter Tail (singing) SDM. Late migrant 6/10 Anoka; early migrants 7/10 Hennepin (4–6) SC, 7/10 Anoka (2) KB.
1999Fall Please see summer report for early south migrants; also reported 8/1 Hennepin SC, 8/3 Ramsey SL. Late north 10/16 Lake BSe, 10/19 Cook KE, 10/24 St. Louis JN. Late south 10/10 Hennepin TT, 10/12 Ramsey RH, 10/27 Ramsey TEB.
2000Spring Seen in 30 south and 18 north counties throughout the state. Arrived within two days of median dates south and north. Earliest 4/30 McLeod DF. First north reports: 5/6 in three counties. Late south 5/30 Hennepin TT, also see summer report.
2000Summer Reported in St. Louis, Lake, Cook; plus late migrant 6/1 Brown JSp and early migrants 7/3 Washington DDM, BJM, 7/15 Clay fide BAB, 7/19 Hennepin SLC, 7/23 Cass MRN. Mid-summer observation 6/23 Otter Tail SDM.
2000Fall Observed on 8/2 Hennepin SLC, 8/3 Anoka KJB, but see summer report. Late north 10/15 Carlton LAW. Late south 10/23 Carver RMD, TJD.
2001Spring Seen in 38 south and 23 north counties throughout the state. Early south 4/26 Meeker DMF, then daily arrivals 4/29 – 5/1 in six counties. Early north (median 5/6) 4/30 Crow Wing MRN, 5/6 Todd JSK, 5/9–13 in eight counties. Late south 5/28 Brown JSS and Lyon (7) RJS, 5/29 Hennepin SLC, also see summer report.
2001Summer Fewest reports since 1985, and none from the breeding range! Observed 6/2 Rice, Marshall and Clay; 6/14 Dakota †JEl, 7/14 Clay GEN.
2001Fall Early south 8/10 Hennepin ChM, 8/12 Fillmore NBO. High count 9/11 Anoka (45) KJB. Last reported north 9/23 Carlton LAW, 9/30 St. Louis ALE. No south observations after 10/12 Fillmore NBO, 10/23 Hennepin SLC.
2002Spring Seen in 36 south and 23 north counties. Early south 4/24 (ties earliest date) Freeborn AEB, then no reports until 5/4 in eight counties! Early north 5/11 Carlton LAW and Otter Tail DTT, SMT, 5/12 Becker BRK. Record high count 5/15 Douglas (600+ at L. Carlos) SPM, DKM, with 263 counted around Mille Lacs L. the same day (KJB).
2002Summer Record-high number of reports due to numerous late/early migrants. Seen in Lake of the Woods, Beltrami, Aitkin, St. Louis, Lake, Cook; plus migrants in 11 counties away from breeding range. Late migrants 6/2 Marshall, Clay and Scott; early migrant 7/24 Hennepin (adult found dead) fide AXH.
2002Fall Early south 8/2 Anoka KJB, 8/5 Hennepin SLC. Late north 10/9 Beltrami DPJ, 10/14 Crow Wing CRM, 10/16 Lake JWL. Latest south reports all from Hennepin: 10/9 TAT, 10/12 PEB, 10/13 SLC, 10/20 SWe, 11/4 †SLC.
2003Spring Reported from all regions. Early south 5/3 Freeborn AEB and Hennepin DWK, SLC (median 4/28). Early north 5/8 Douglas DPJ and Wilkin KJB (median 5/6). Still present in at least four south counties 5/31, also see summer report.
2003Summer Reported in Marshall, Becker, St. Louis; numerous migrants in 10 additional counties. Late migrants 6/6 Nicollet ChH, 6/10 Otter Tail SPM, early migrant 7/13 Hennepin SLC.
2003Fall Statewide total of 82 reports from 18 north and 21 south counties. Please see summer report for early south migrants — this species' southbound movement typically begins late July, but note exceptional migration of up to 41 individuals in Anoka and Hennepin counties 13–31 July 2004 (The Loon 76:54–55). Highest reported count 9/15 St. Louis (150 at Park Point, Duluth) SCB, PHS. Late north 10/4 Carlton LAW, 10/17 Lake KRE, JWL et al. Late south 10/11 Dakota ADS, 10/14 Fillmore NBO.
2004Spring Reported from 21 north and 35 south counties. Early south 4/28 Mower JEM, 4/30 Houston FZL (median 4/28). Early north 4/29 Otter Tail ARo, 5/6 Otter Tail EJE, 5/8 Polk JMJ (median 5/6). High counts 5/20 Polk (250) EEF, 5/15 Rice (40) DAB. Still present in six south counties on 5/31.
2004Summer Observed in eight north and eight south counties, including 7/17 Anoka (Fridley) CF, 7/20 Anoka (3) KJB.
2004Fall Please see summer report for early south migrants — this species' southbound movement typically begins late July (The Loon 76:54–55). Probable migrant (away from known breeding locations) 8/10 Hubbard MAW. All October north reports were from the Northeast, with last reports 10/17 Cook EEO, MTA and St. Louis EEO (same as median). Late south 10/18 Houston FZL, 10/21 Dakota JPM, 10/22 Hennepin SLC (median 10/16).
2005Spring Reported from 27 north and 35 south counties, in all regions of the state. Early south 5/4 Meeker DMF, 5/5 Fillmore NBO and Freeborn AEB, 5/6 in five additional counties. Early north 5/8 Kanabec CAM, 5/10 Clay JEB and Otter Tail RBJ. High counts 100+ at Hole-in-the-Mountain C.P. in Lincoln (5/24, PHS) and 85 in Fillmore (5/17, NBO). Late south 5/30 Hennepin, Sherburne, Steele.
2005Summer Reported from eight north and four south counties, including fall migrants 7/17 Le Seuer BJU, 7/29–30 Sherburne ASc.
2005Fall Widespread except in Southwest, where only found in Lincoln. High counts 8/29 St. Louis (100) ALE, 8/31 St. Louis (47) SLF. Please see summer report for early south migrants. Late north 10/8 Mahnomen and Norman BJU, 10/16 Cook CJT (median 10/17). Late south 10/10 Sherburne ASc, 10/11 Hennepin DWK, 10/15 Ramsey REH.
2006Spring Reported from 20 north and 39 south counties in all regions. Early south 5/1 Meeker DMF and Scott RBW, 5/2 Olmsted JWH, LAV, PWP. Early north 5/8 Clay PBB, Crow Wing JEB and Hubbard MAW. See summer report for late south migrants.
2006Summer Seen in 16 counties, 6 north and 10 south. Probable early south migrant 7/23 Hennepin BAF.
2006Fall Early south (but also see summer report) 8/7 Hennepin ChM, 8/11 Lac qui Parle BJU. High counts 8/15 St. Louis (100) ALE, 8/23 Hennepin (50) RBJ. Late north 9/26 Mille Lacs ASc, 10/8 St. Louis SLF, 10/21 Pine SMC (median 10/17). Late south 10/1 Lac qui Parle BJU, 10/4 Waseca JPS, 10/14 Hennepin (3) CMB (median 10/16).
2007Spring2345 Early south 4/23 (record early, no details) Ramsey BRL, 4/25 Dakota BRL and Hennepin ALD well ahead of the 4/29 median. First north report 4/29 Hubbard MAW eight days early, followed by 5/5 Clay RHO and Mille Lacs ASc. High count 5/15 Scott (76) BAF. Late south 5/27 Isanti ABL, 5/27 Pipestone CRM, JCC, LS, RTH, 5/30 Hennepin PEJ.
2007Summer53 Northbound migrant 6/11 Cottonwood MCBS. North reports from Cass, Itasca, St. Louis, and Cook. Early south migrants 7/27 Hennepin (several) DWK, 7/31 Blue Earth ChH, 7/31 Lac qui Parle (4) BJU.
2007Fall2431 Present both north and south at beginning of period, see summer report for details. High counts 9/2 St. Louis (74, H.R.B.O.) EMG, KJB, 8/28 St. Louis (73) PHS. Late north 10/9 Carlton LAW, 10/14 Cook JWH, 10/17 St. Louis SLF (median 10/17). Late south 10/13 Dakota RLW, Hennepin SWe, Washington JWo, 10/14 Scott BAF (median 10/16).
2008Spring2641 Early south (median 4/28) 4/27 Hennepin WCM, 4/29 Meeker DMF, 5/1 Lac qui Parle BJU. Early north (median 5/6) 5/7 Mille Lacs ASc, 5/10 Clay RHO, Crow Wing JSB, Itasca EEO. High count 5/16 Scott (53, Murphy-Hanrehan P.R.) BAF. Reported statewide through end of period, see summer report.
2008Summer1110 Most reports ever. Reported from all regions except Southwest, Southeast. Late south spring migrant 6/20 Ramsey JPS. Early south fall migrants 7/20 Ramsey (3) KJB and Rice (adult female banded) DAT.
2008Fall2233 Please see summer report for early migrants. High counts 9/14 Anoka (44) DWK, 9/12 St. Louis (33) PHS. Late north 10/4 Mille Lacs ASc, St. Louis SLF, 10/8, 10/11 Mille Lacs ASc (median 10/17). Late south 10/8 Blue Earth ChH, Fillmore NBO, 10/14 Pope DMF (median 10/16).
2009Spring2749 Early south (median 4/28) 4/29 Meeker DMF, 4/30 Dakota ADS. Early north(median 5/6) 5/6 Wadena PJB, 5/10 Wadena PJB, 5/13 Cass BAW. High count 5/17 Scott (36, Murphy-Hanrehan P.R.) BAF. Present through end of period both south and north; see summer report for late migrants.
2009Summer73 Late south migrants 6/4–5 Hennepin JCC, 6/7 Scott (Murphy-Hanrehan P.R.) BAF. Unusual reports 6/25 St. Louis (Duluth, singing male near UMD) KRE, 7/29 St. Louis (same general location, same bird?) MLH. Early south fall migrant 7/27 Houston CLW.
2009Fall2333 After one late July record (see summer report), no additional south reports until 8/6 Hennepin ALD, 8/9 Anoka (3) DWK, Hennepin BAF (median 7/17). High count 9/23 Anoka (60) DWK. Late north 9/17 Carlton HHD, 10/5 Mille Lacs ASc, 11/8 St. Louis (Bear Island Lake) †SLF (median 10/17). Late south 10/17 Carver JCy, 10/26 Hennepin SLC, 10/27 Hennepin BAF (median 10/15).
2010Spring1743 Early south (median 4/28) 4/29 Winona ANy, 4/30 Dakota SWe, Hennepin MDu, Ramsey REH, Rice TFB. Early north 5/7 (median) Mille Lacs ASc, 5/11 Cass BAW. High counts 5/15 Carver (25, Rapids Lake) JCy, 5/24 St. Louis (25, Park Point) DWK. Late south 5/26 Meeker RBW, Murray HHD, Steele PSu, 5/28 Rice TFB (median 6/3), see summer report for additional late migrants.
2010Summer68 Found in all northern and central regions. Late northbound migrant 6/7 Olmsted JWH. Early southbound 7/17 Hennepin SLC.
2010Fall2333 See summer report for early south migrants. High counts 8/24 St. Louis (29, H.R.B.O.) KJB, CRu, 8/21 St. Louis (17, Park Point) CRu, 8/25 Carver (15, Carver P.R.) JCy. Late north 9/26 St. Louis ALo, 9/30 Mille Lacs RBJ, 10/8 St. Louis PHS (median 10/17). Late south 10/8 Washington JaH, 10/10 Hennepin BAF, 10/17 Hennepin SLC (median 10/15).
2011Spring3248 Early south (median 4/28) 4/30 Hennepin CMB, StB, SLC, 5/2 Dakota JLO, Lac qui Parle and Yellow Medicine BJU. Early north (median 5/7) 5/9 Beltrami DPJ, Cass BAW, Morrison FGo, and six more counties on 5/10. Late south 5/30 Chippewa, Lac qui Parle and Swift BJU, 5/31 Carver JCy, Hennepin SLC (median 6/3). See summer report for additional late migrants.
2011Summer1910Found in all northern regions and scattered locations in all central regions, plus spring migrants 6/1 Steele PSu, 6/5 Blue Earth ChH in southern regions. Late south migrant (non-breeding?) 6/19 Anoka (Coon Rapids backyard) RLR. High count 6/16 St. Louis (10, Superior National Forest Road 200) AJo, BWi.
2011Fall2237 Early south (median 7/17) 8/3 Yellow Medicine (2) BJU, 8/5 Ramsey REH, 8/7 Lac qui Parle RZi, PRH. High counts 9/4 Houston (18, Beaver Creek Valley S.P.) ACr, 8/21 Carver (16) JCy. Late north 9/30 Lake RAE, KRE, ALo, Todd (2) JLK, 10/8 St. Louis JLK, 10/12 St. Louis (2) JLK (median 10/17). Late south 10/11 Carver JCy, 10/12 Anoka DvS, 10/13 Carver JCy (median 10/15).
2012Spring2950 Early south (median 4/28) 4/28 Lac qui Parle ACr, MBS, 5/1 Hennepin CMB, (Bloomington) MBS, (Powderhorn Park, Minneapolis) JJo, Winona ANy, 5/2 five additional counties. Early north (median 5/7) 5/4 Todd JeM, DTM, 5/5 Douglas JPE, Grant DBz, Morrison FGo, MJB. High counts 5/11 Scott (64 singing males, Murphy-Hanrehan north trails) BAF, SHF, 5/14 Hennepin (45 singing males, counted on 7-mile bicycle commute, South Minneapolis) BAF. Late south 5/28 Blue Earth ChH, Nobles CRM, 5/31 Lac qui Parle BJU (median 6/3). Also see summer report.
2012Summer74 Found within normal summer range in Beltrami, Cook, Hubbard, Itasca, Koochiching, Lake, St. Louis. Late spring migrants 6/2 Murray SC, 6/2, 6/4 Lyon (2) GWe. Early south fall migrant 7/24 Hennepin TAT. High count 6/9 St. Louis (4, Sax-Zim Bog) EBr.
2012Fall2436 Early south (median 7/17) 8/1 Hennepin TAT, 8/5 Hennepin TAT, 8/8 Sherburne PLJ. High count 8/21 St. Louis (37, Hartley Park) JLK. Late north 10/7 St. Louis PRH, JLK, 10/13 St. Louis BCM (median 10/17). Late south 10/9 Carver JCy, 10/11 Hennepin YK (median 10/15).
2013Spring2951 Early south (median 4/28) 5/1 Washington PNi, 5/2 Carver JCy, 5/3 Goodhue FKB, Hennepin fide BBA. Early north (median 5/7) 5/10 Pine JMP, 5/13 Clay SHe, Hubbard MaH, 5/14 four more counties. High counts 5/16 Carver (62) JCy, 5/19 St. Louis (61) PHS, 5/22 Washington (60) PNi. Observed late south well into June.
2013Summer1818 Found in all regions except Southwest. Late spring migrants 6/11 Hennepin BAF, 6/12 Rice JMs. Early south 7/27 Carver (2) JCy. Unusual concentration of fall migrants 7/31 St. Louis (26, H.R.N.R.) JLK.
2013Fall2229 Early south (median 7/17; also see summer report) 8/1 Carver JCy, 8/16 Hennepin TAT, 8/22 Brown MiO, Carver JCy, WCM, Hennepin CMB. High count 9/16 Carver (13, Carver P.R.) JCy. Late north 10/5 Clay (Buffalo River S.P.) MO, St. Louis CAR, 10/6 St. Louis SLF, BCM, 10/7 St. Louis ABL, KJB (median 10/17). Late south 10/18 Hennepin RCB, 10/19 Hennepin TAT (median 10/15).
2014Spring2850Early south (median 4/28) 5/4 Rice PDK, 5/5 Fillmore RTP, Rice JSP, Scott JSP, 5/6 Hennepin JHh. Early north (median 5/7) 5/6 Douglas MJM, 5/8 Crow Wing PSP, 5/9 Cass BAW, Clay TCL, Crow Wing JPR. High counts from Carver P.R. 5/22 Carver (70) JCy, 5/21 Carver (65) JCy, 5/20 Carver (58 )JCy. See summer report for late south migrants
2014Summer75Reported from widely scattered locations in all regions except North-central, West-central, Southeast. High count 6/6 Lake (20) KRE. Early fall migrants 7/13 Dakota (Schwarz Pond Park) †HSt, 7/15 Scott BAb.
2014Fall3338 See summer report for early south migrants. Record high count 9/2 St. Louis (245, Hawk Ridge/Lester River Census) KJB. Late north 10/10 Lake JEd, DTr, 10/12 St. Louis JLK, 11/3 St. Louis (Manganika Creek, south of Virginia) †SLF (median 10/17). Late south 10/16 Dakota ph. GHo, Hennepin BAF, 10/17 Rice DAT, 10/21 Hennepin TAT (median 10/15).
2015Spring2550 Early south (median 4/28) 4/28 Dakota DEv, 4/30 Ramsey JOl. Early north (median 5/7) 5/7 Crow Wing ABi, Pine BDo, 5/8 Clay RHO, Itasca SC, Lake JWL. High counts 5/21 Lyon (53, Marshall Wayside Rest Park) RJS, 5/15 Jackson (51, Heron Lake area) KJB. Late south 5/29–31 Hennepin CMB; see summer report for additional late south migrants.
2015Summer94 Found in North-central, Northeast, plus Ramsey, Rice, Scott, Wright. High count 6/4 St. Louis (12, Coe College Wilderness Field Station) CnC.
2015Fall2746 See summer report for early south migrants. Record high counts 9/1 St. Louis (487, almost double the prior record tally, Hawk Ridge/Lester River Census) KJB, 9/16 St. Louis (99, Hawk Ridge/Lester River Census) KJB. Late north 10/11 St. Louis KJB, 10/16 Lake (Two Harbors) JWL, 10/17 Lake (Knife River Marina) JWL (median 10/16). Late south 10/16 Hennepin TLo, 10/19 Sherburne SMC, 10/24 Rock KEm, MEm (median 10/17).
2016Spring2750 Early south (median 4/29) 4/24 Rice DAB, 4/26 Steele PSu, 4/27 Brown CoM, Goodhue DVe. Early north (median 5/7) 5/6 Otter Tail JSw, JsS, 5/8 Morrison SEm, 5/9 Polk SAu. High count 5/15 Rock (30, Blue Mounds S.P.) KEm. Late south 5/29 Pipestone LS, m.ob., Rice TFB, 5/30 Rock KRE, m.ob., Scott EHg (median 6/6). See summer report for additional late migrants.
2016Summer87 Found primarily in North-central, Northeast, but also in Central, East-central, Southwest, South-central. Late spring migrants (away from known summer locations) 6/5 Dakota, 6/6 Washington. High count 6/11 Lake (15, Superior N.F.) KRE. Fall migrants 7/16 Anoka (Fish Lake Nature Trails) ASl, 7/23, 7/25 Steele (different locations) PSu, 7/28 Carver JCy, 7/31 Nobles RAE.
2016Fall3241 See summer report for early south migrants. High counts 8/20 St. Louis (56, Hawk Ridge/Lester River Census) KJB, 9/13 St. Louis (47, Hawk Ridge/Lester River Census) KJB, 8/20 Hennepin (45, Veterans Memorial Park, Richfield) SBM, 8/30 Washington (45, Afton S.P.) KvM. Late north 10/15 Lake ALx, StK, 10/16 Grant CNn, Lake KRE, m.ob. (median 10/16). Late south 10/17 Mower, Ramsey, Washington, then only 10/18 Ramsey AJF, 11/15 Scott DCK (median 10/19).
2017Spring3251 Early south (median 4/29) 4/25 Ramsey LiH, Washington PNi, 4/26 Brown MiO, Hennepin SBM, 4/27 Olmsted PTr. Early north (median 5/7) 5/8 Otter Tail JsS, Pine KrM, Polk SAu. High counts 5/15 Morrison (40) SEm, 5/22 Steele (40) PSu, 5/23 Le Sueur (40, Sakatah Lake S.P.) LiH, 5/17 Washington (35) PNi. Late south 5/31 Hennepin CMB, Murray JSP, Rice DAT, Washington PNi, JDS (median 6/7), but see summer report for additional late migrants.
2017Summer106 Reported from every region except West-central, Southwest, South-central, Southeast. Late south spring migrant 6/7 Hennepin MHu. Early south fall migrants 7/16 Washington (Cottage Grove) PNi, 7/20 Carver JCy.
2017Fall2841 High counts 9/12 St. Louis (79) H.R.B.O., 9/1 Scott (60) RiC, 9/11 St. Louis (58) H.R.B.O. Late north 10/9 Kanabec KnM, St. Louis (Stoney Point) TRd, 10/14 St. Louis (Stoney Point) TRd, StK (median 10/16). Late south 10/17 Carver DPG, 10/18 Hennepin IVa, 10/25 Hennepin CMB, TAT (median 10/19).
2018Spring2952 Early south (median 4/29) 4/27 Hennepin CMB, 4/30 Carver JCy, Ramsey ebd, Rice GHo. Early north (median 5/7) 5/3 Roseau BSi, 5/6 Becker NaH, 5/7 Cass JhH. High counts 5/9 Carver (60, Rapids Lake, Minnesota River Valley N.W.R.) JCy, 5/22 Hennepin (40, Wood Lake N.C.) BeH, 5/12 Freeborn (35, Myre-Big Island S.P.) SBM. Late south 5/28 Ramsey DnS, 5/30 Stearns LiH (median 6/7) but see summer report for latest migrants.
2018Summer78 Found in every region except Northwest, Southwest, Southeast. Late spring migrant 6/12 Steele PSu. Fall migrants: early north 7/5 St. Louis (Stoney Pt.) SKo; early south 7/16 Freeborn ebd.
2018Fall3347  See summer report for early south migrants. High counts all from Hawk Ridge Nature Reserve, St. Louis JPR: 94 on 9/13, 73 on 9/1, 68 on 8/21. Late north 10/12 St. Louis EzH, IsH, 10/13 St. Louis JLK (median 10/16). Late south 10/21 Ramsey JZj, 10/27 Anoka, 10/30 Hennepin CMB (median 10/19).
2019Spring3352 Early south (median 4/29) 4/30 Carver JCy, 5/2 Dakota CJE, Hennepin MaJ, 5/3 Blue Earth KRo, Ramsey ebd. Early north (median 5/7) 5/10 Pine KMa, then in six additional counties on 5/11. High counts 5/27 Becker (150, Tamarac N.W.R.) HeH, ShG, 5/17 Anoka (125, Locke Park/Rice Creek West Regional Trail) LiH, RMD, 5/16 Hennepin (70, Wood Lake N.C.) ASu. South reports continued into early June (median 6/7).
2019Summer1825 Found in all regions. Late spring migrants 6/6 Hennepin DWK, 6/8 Scott HHD. Fall migrants: early north 7/11 St. Louis (3, Stoney Point) SKo; early south 7/30 Stearns MhJ.
2019Fall2848 High counts 8/30 St. Louis (24, Stoney Point) RyS, 9/8 Koochiching (18, Holstrom F.R.) ASu. Late north 10/19 Lake StK, AVa, RyS, St. Louis (Harbor Drive, Duluth) LnH, 10/20 St. Louis (Western Waterfront Trail) JLK (median 10/16). Late south 10/23 Hennepin (Plymouth) ebd, Olmsted JPr, 10/24 Hennepin (Powderhorn Park) ebd, 10/26 Anoka ebd (median 10/19).
2020Spring3152 Early south (median 4/29) 4/25 Ramsey BNW, 4/28 Dakota ebd, Scott RiC. Early north (median 5/7) 5/1 Pine KrM, ebd, Todd RLF, REn, 5/7 Cass ebd. High counts 5/16 Carver (54, Minnesota Valley N.W.R., Rapids Lake) JCy, 5/17 Rice (50, Two Rivers Park) DAB. Late south 5/31 Houston DWK, but also see summer report (median 6/7).
2020Summer95 Migrants found in widely scattered locations, territorial birds in North-central, Northeast. Spring migrants 6/3 Lyon GWe, Ramsey ebd. Fall migrants: early south 7/21 Hennepin MZa, 7/25 Ramsey ebd. High count 6/4 Lake (18, Whyte Rd / Stony River F.R.) ASu.
2020Fall3049 Found statewide. See summer report for early fall migrants south. High count 8/23 St. Louis (250, Park Point R.A.) PHS. Late north 10/17 Lake JWL, 10/21 St. Louis MLH, 11/6 Lake (Silver Bay) †ABm (median 10/16). Late south 10/25 Hennepin ACr, 10/26 Dakota ADS, 10/26–28 Winona ToM, DFN, PEJ (median 10/19).
2021Spring2953 Found in all but five counties. Early south (median 4/29) 4/26 Le Sueur BHe, Ramsey (two locations) LiH, ebd, Wright ebd. Early north (median 5/7) 5/1 Pine RBJ, Todd REn, RLF, 5/2 Cook JlB, Grant CNn. High counts 5/16 Le Sueur (80, Sakatah Lake S.P.) SHo, 5/15 Hennepin (39, Minneapolis) JCa, 5/23 Polk (30, Red Lake River Greenway) SAu. See summer report for late south migrants (median 6/7).
2021Summer148 Encountered in all northern regions, East-central, plus early south fall migrants 7/15 Carver WCM, 7/20 Meeker PKF. High count 6/6 Lake (18, Stony River F.R.) FJN, ebd.
2021Fall2848 Found statewide. See summer report for early migrants south. High counts all from St. Louis: 9/15 (109, Brighton Beach) IDv, 9/5 (86, University of Minnesota - Duluth) IDv, 9/4 (57) H.R.B.O. Late north 10/10 Lake (two locations) IDv, JWL, SLL, 10/11–12 St. Louis (two locations) IDv, FJN (median 10/16). Late south 10/16 Hennepin (Old Cedar Ave. Bridge) CRM, m.ob., Ramsey (Fish Creek Natural Area) ebd, 10/25 Ramsey (University of Minnesota - St. Paul) AnA, 11/2 Hennepin (Minnetonka) †KBu, †TBu (median 10/21).
 
 Breeds locally 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.