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
[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
[Cerulean Warbler X 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
Canada Warbler(Cardellina canadensis)
YearSeasonNS
1935Summer The nest of this btiTd had been seen before, but when Prosser and Swedenborg fouund a nest with 4 fresh eggs at Caribou Lake June 23rd, they fe~t that it was worth preserving for posterity. This nest may now oe seen in the Minnesota University 11useum of Natural History.
1937SummerA necklaced warbler's nest that held four young was found near Ely on June 22 by Risser, Rysgaard and Pittelkow. E. D. Sweden­borg saw a nest that held three warbler's eggs and a young cowbird on July IB, near Finland. Two of the warbler's eggs hatch­ ed on t!1e I9 and 20.
1962SpringMay 15 Minneapolis, W. R. Pieper; May 22 Duluth, P. B. Hofslund; May 24 Ramsey Co., A. C. Roisenwinkel. BLACKBIRDS, ORIOLES AND
1963SpringMay 20, Ramsey Co., A. C. Rosenwinkel; May 20, Washington Co., D. Honetschlager; May 21, Minneapolis, Art Bogren.
1963Falllatest, Sept. 21, Watonwan Co., TV Tower Kill, Avifaunal Club. Also reported on Aug. 19 at Glenwood, Pope Co., R. Grant.
1964Spring5-3 Hennepin Co, MAS; 5-15 Ramsey ELC; 5-18 Rochester, JPF; 5-20 Cloquet Forest Research Center, GWG; 5-17 Dakota Co, RG.
1964Summerfall dates, 8-23, Min neapolis, DB.
1964Fall9-5 Ramsey Co, ACR; 9-15 Duluth, JCG; 9-16 Ramsey Co, MIG. American Redstart 9-25 Duluth, A. Rekas.
1965Springearliest 5-1 St. Cloud fide NH (details?); next record 5-11 Hennepin Co, DB, EMB.
1965Falllatest 9-6 Washington Co, WWL and 9-15 St. Paul, ACR.
1966Springearliest 5-6 Hennepin Co, CKS; 5-11 Washington Co, WWL; 5-16 Ramsey Co, ACR, BL.
1966Summerreported from Cook, Lake. St. Louis and Itasca Co's.
1966FallLatest 9-13 Duluth, JCG; 9-14 Lake Co., RK; 9-15 Morrison Co., LSR.
1967Spring5-16 Hennepin Co., FN/ MAS; 5-18 Goodhue Co., EWJ; 520 Goodhue Co., EMB, VL; 5-21 Washington Co., WWL, DS, DH, Winona Co., FV/ HVBC, Hennepin Co., MHM, RDT, Ramsey Co., RJC, Sherburne Co., JAH and Olmsted Co., CMJ, JPF.
1967Summer6-2 Meadowlands, St. Louis Co., DGF; 6-10 Cook Co., 16, JCG.
1967Fall latest 9-13 Cook Co., JCG; 9-26 Anoka Co., PE; 9-29 Washington Co., DS, WWL.
1968Spring early 5-14 Stearns Co., KE; 5-15 Stevens Co., JAH; 5-19 Goodhue Co., EMB; 5-20 Washington Co., WWL, Morrison Co., LSR.
1968Summer 6-8 Fargo-Moorhead, fide EGA, late spring migrant; reported from Cook, Lake, St. Louis Co's; 8-17 Goodhue Co, VL, early fall migrant.
1968Fall9 -17 Hennepin WKE; 9-20 Cottonwood LAF.
1969Spring5-11 Goodhue Co., WWL; 5-15 Minneapolis, FN j MAS, VL, DB; 5-16 Morrison Co., LSR, and Lake Co., RK; 5-25 Waseca Co., WF, and Goodhue Co., EMB; 5-27 St. Paul, MIG.
1969Summerreported from Cook and St. Louis Co's. (7-6 Bear Head Lake BAH and 7-13 Duluth KE, RR).
1969Fall8-16 St. Louis RHJ; 8-31, 9-3 Hennepin CH, VL; 9-6 Morrison LSR; 9-12 Cottonwood LAF.
1970Springearly south 5-7 Dakota DB; 5-9 Goodhue HW; 5-10 Sherburne KE and Carver TH; ear ly north 5-9 Crow Wing J B; 5-21 Morrison LR; peak 5-25 Duluth (60} JG ; late south: Hennepin DB 5-29; 6-2 Washington WHL.
1970Summernested in Crow Wing (Emily 7-18 MKC) and St. Louis Co's. (cowbird, Lake Vermillion, DWM); also reported from Cook, Lake, and St. Lou is Co's.
1970Falllate north 9-6 Duluth MMC; 9-7 Morrison L R; early south 8-15 Cottonwood L F; 8-25 Wright ES; late south 9-8 Washington WL.
1971Springearly south 5-14 Carver MHM5- 18 Hennepin BDC and Goodhue HW; early north 5-16 Itasca MS; 5-20 Crow Wing Jll; late south zY~llouston LR and Hennepin ES; 5-31 Hennepin
1971Summernested in Cook; also reported from St. Louis, Beltrami, Aitkin and Hennepin(6·2 ES, late migrant).
1972Fallon 11-8 in Hennepin Co. (fide FN). ;
1973Spring~~ REPORTERS REPORTING. EARLY SOUTH 5·16 NICOLLET G..INI ;S• l7 HENNEPIN CLHJ S-19 STEARNS HCKJ EARLY NORTH 5•19 ST. LOUIS N.JHJ ;S·24 STo LOUIS JCGJ !i·2S MORRISON LSRJ PEAK 5-8:6 ST; LOUIS (~8) CLHo ;
1973Summer Seen in Cook, Lake, St. Louis, Itasca; migrants -6-3 Ramsey; 6-2 & 9 Wabasha.
1973Fall Seen only in five counties.
1974Spring Early south 5-12 Stearns NMH; 5-16 Hennepin PF; 5-16 Houston FL; early north 5-21 Cass KZ; 5-22 Crow Wing JB; 5-22 Mille Lacs MI; late south 5-31 Hennepin ETS.
1974Summer Reported from St. Louis, Lake, Cook.
1974Fall Early south 8-23 Rock KE; 8-24 Le Sueur RBJ; late north 9-5 Morrison LSR; 9-10 Duluth JG; late south 9-8 Murray AD; 9-15 Hennepin PF.
1975Spring Early south 5-11 Hennepin PAZ; 5/3 Hennepin EPRD; 5-14 Goodhue ETS; early north 5-17 Mille Lacs MI; 5-21 St. Louis MMC; late south 5-31 Rock OLJ.
1975Fallearly south 8-19 Murray AD; 8-22 Lyon HK; late north 9-11 Duluth JG; 9-22 Lake of the Woods HF; late south 9-19 Hennepin ES.
1976Spring Early south 5-11 Hennepin HPR; 5-12 Hennepin SG, PS, DB; 3 reports on 5-18; early north 5-14 Itasca MS; 5-21 Clay LCF and Crow Wing DK; 3 reports on 5-22; late south 5-28 Hennepin SG, PS.
1976Summerreported from Clearwater, Cass, St. Louis, Lake and Cook.
1976Fall Early south 8-12 Houston, 8-15 Ramsey; late north 8-28 Duluth; late south 9-15 Hennepin, 9-16 Dakota, 9-18 Olmsted.
1977Spring Early south 5-14 Mower RJ; 5-15 Hennepin TS; 5-16 Hennepin ES; early north 5-23 Lake CNS; 5-25 St. Louis CNS; late south 5-30 Hennepin ES.
1977Summer Nested in Clearwater and Lake; also reported from Lake of the Woods, Cass, St. Louis and Cook; late migrants 6-11 Nicollet and 6-22 Hennepin (both DB).
1977Fall Early south 8-11 Houston (EMF), 8-14 Hennepin (SG), late north 9-18 Duluth (BB).
1978Summer Early south 8-24 Sherburne EH; late north 9-2 Otter Tail GO; late south 9/0 Hennepin WKE.
1978Fall Early south 8-24 Sherburne EH; late north 9-2 Otter Tail GO; late south 9/0 Hennepin WKE.
1979Spring Early south 5-7 Dakota DB, 5-9 Washington DR; early north 5-16 Becker SM, 5-18 St. Louis TH; late south 5-30 Hennepin DB.
1979Summer Breeding reported from Lake; also seen in Cook, St. Louis, Beltrami.
1979Fall Early south 8-19 Anoka JH, 8-20 Hennepin VL; late north 9-26 Clay LCF and St. Louis DA; late south 9-19 Houston EMF, 10-13 Lac qui Parle CMB (latest date on record).
1980Spring Early south 5-14 Hennepin SE, 5-17 Goodhue JD, LeSueur EK, early north 5-17 Otter Tail GMO, 5-18 St. Louis TH; late south 5-23 Nicollet JCF, Scott RJ, 5-28 Redwood LJF.
1980Summer Breeding reported from Hubbard; also seen in Cook, Lake, St. Louis, Itasca, Pine, Chisago (Goose Creek NA), Anoka (6-20 Cedar Creek NHA, JLH).
1980Fall Early south 8-21 Anoka JLH, Hennepin SC, 8-26 Hennepin VL, Olmsted JF; late north 9-1 Pennington KSS, 9-20 Aitkin WN; late south 9-8 Houston EMF, 9-30 Washington DMB.
1981Spring Early south 5-8 Hennepin OJ, 5-9 Hennepin ES, 5-13 Houston EMF; early north 5-16 Mahnomen KE, Pennington KSS, 5-17 Crow Wing WN, Mille Lacs JB, 5-18 Douglas RJ; late south 5-25 Olmsted JSD, Washington DR, 5-26 Houston EMF, 5-28 Hennepin SC.
1981Summer Seen in Cook, Lake, St. Louis, Cass, Hubbard.
1981Fall Early south 8-13 Hennepin DB, 8-17 Hennepin RBA; late north 8-30 Crow Wing JB, 9-9 Lake SW/ MS; late south 9-19 Hennepin SC, 10/10 Mower RRK.
1982Spring Early south 5-10 Olmsted JEB, 5-12 Houston EMF, Mower RRK, 5-14 Olmsted BE; early north 5-14 St. Louis JG, 5-15 St. Louis KE, 5-17 Crow Wing JB, Polk KSS; late south 5-25 Hennepin SC, 5-27 Houston EMF.
1982Summer Seen in Cook, Lake, St. Louis, Koochiching (Koochiching SF).
1982Fall Early south 8/19 Houston JP, 8/21 Brown JSp, 8/23 Hennepin SC; late north 9/16 Cook KMH, 9/18 St. Louis AB, 9/19 St. Louis OJ; late south 9/2 LeSueur RJ, 9/13 Brown JSp, Hennepin SC, 9/14 Houston EMF.
1983Spring Early south Cottonwood WH, 5/14 Stearns HK, 5/17 Houston EMF, Rice KJ; early north 5/11 Otter Tail SDM, 5/20 Itasca MSc, 5/2 1 Lake of the Woods TW, St. Louis AB, OJ, TL; late south 5/31 Brown Jsp, Hennepin SC, ES, Washington OS.
1983Summer Seen in Cook, Lake, St. Louis, Clearwater. Late migrant: 6/2 Houston.
1983Fall Early south 8/20 Brown JSp, 8/22 Hennepin SC, 8/27 Renville FKS; late north 9/ II St. Louis HRNR, 9/19 Cook KMH, 9/25 Mille Lacs DG; late south 9/17 Brown JSp, 9/21 Hennepin SC, 10/2 Houston EMF.
1984Spring Early south 5/10 Winona JH, 5/15 Cottonwood WH, Olmsted JPAM, Houston EMF, 5/18 Anoka SC, Dakota AB; early north 5/23 Lake SS, 5/24 Lake SWIMS, 5/26 Roseau AJ, St. Louis AE, VR; late south 5/25 Hennepin OJ, Mower RRK, 5/28 Martin EBIK, Murray AD, 5/29 Hennepin DB, SC.
1984Summerseen in Cook and Lake.
1984Fall Early south 8/18 Brown JSp, 8/19 Lac qui Parle TT, 8/22 Anoka JH, Hennepin SC; late north 9/1 Clay LCF, 9/4 St. Louis HR, 9/14 Cook KMH ; late south 9/11 Houston EMF, 9/23 Hennepin TT, 9/26 Hennepin SC.
1985Spring Early south 5/17 Olmsted JEB, 5/18 Goodhue BL, Washington DB, RH, SDM, 5/19 Houston EMF, Washington Tiu; early north 5/13 St. Louis KE, 5/17 Clay LCF. 5/19 Lake A B: late south 5/27 Hennepin DB, Ramsey KB, 5/28 Hennepin SC, ES, 5/30 Hennepin ES.
1985Summer Seen in Cook, Lake, St. Louis, Marshall (Agassiz NWR), Pine.
1985Fall Early south 8/15 Houston EMF, 8/16 Hennepin SC, 8/17 Dakota TTu, 8/17 Ramsey KB; late north 8/27 Clearwater AB, 8/28 Cook KMH, 8/31 Clay LCF; late south 9/11 Hennepin SC, 9/21 Pipestone RJ, 9/22 Houston EMF.
1986Spring Early south 5/5 Hennepin SC, 5/8 Lyon HK, 5/11 Mower RS; early north 5/11 St. Louis fide KE, 5/20 Cook KMH, St. Louis SS, 5/24 Lake SWIMS; late south 5/25 Murray ND, 5/27 Hennepin DB, Washington SSt, 5/28 Mower RRK.
1986Summer Seen in ten counties within range.
1986Fall Early south 8/9 Anoka SC, 8/ I 0 Brown J S, 8/11 Ramsey KB; late north 8/25 Clearwater AB, 8/28 Clay LCF, 9/12 Duluth SDM; late south 9/20 Ramsey KB, 9/22 Hennepin SC, 10/2 Houston EMF.
1987Spring Early south 5/11 Mower RRK, 5/16 Hennepin OJ, 5/17 Brown JS and Rice GS; early north 5/16 St. Louis AE, 5/18 Clay LCF, 5/21 St. Louis KE and SDM; late south 5/23 AB, 5/24 Hennepin DB, 5/26 Hennepin SC.
1987Summer Seen in Cook, Lake, St. Louis, Lake of the Woods, Beltrami, Itasca, Cass.
1987Fall Early south 8/10 Goodhue RG, 8/15 Rock KE, RH, 8/16 Chisago GP; late north 8/28 Becker BK, 9/2 Clay LCF; late south 9/6 Waseca RJ, 9/12 Hennepin DB, 9/13 Hennepin SC.
1988Spring Early south 5/9 Mower JM, 5/10 Hennepin KR, Mower GS and Steele KV, 5/11 Washington JD; early north 5/17 St. Louis AE, 5/18 Clay LCF; late south 5/23 Brown JS, 5/27 Pipestone JP, 5/29 Anoka TT.
1988Summer Fewer reports than in recent years; seen in St. Louis, Lake, Cook.
1988Fall Early south 8/6 Houston EMF, 8/8 Hennepin SC, ES, 8/14 Brown JS ; late north 9/4 Lake DZ, 9/23 Clay LCF; late south 9/10 Stevens RJ, 9/11 Hennepin SC, 9/25 Blue Earth AB.
1989Spring Early south 5/2 Blue Earth MF, 5/9 Houston AP, 5/12 Pipestone JP; early north 5/11 Hubbard JL, 5/19 Duluth KE, 5/20 Duluth TW; la~e south 5/23 Hennepin SC, 5/26 Hennepm DB, 5/31 Nicollet JS.
1989Summer Reported in Hubbard, Pine, St. Louis, Lake, Cook.
1989Fall Early south 8/10 Hennepin SC, 8/15 Brown JS, 8/19 Hennepin GP; late north 8/12 Koochiching RJ, 8/24 St. Louis TW, 9/8 Cook KMH; late south 9/12 Hennepin GP, 9/19 Hennepin SC, 9/22 Brown JS.
1990Spring Early south 5/12 Goodhue EL, 5/14 Olmsted BSE, 5/16 Hennepin DC, Mower RRK; early north 5/16 Douglas RJ, 5/19 Clay LCF, 5/20 Crow Wing AB; late south 5/27 Lac qui Parle FE, 5/28 Scott DZ, 5/29 Hennepin SC.
1990Summer Seen in Clearwater, Itasca, Lake, Cook; late migrant 6/15 Rice KB.
1990Fall Early south 8/11 Rice TB, 8/15 Hennepin SC, PS, 8/16 Brown JS; late north 9/10 Lake DPV, 9/14 Cook KMH, 9/19 Pennington KSS; late south 9/14 Hennepin SC, 9/19 Brown JS, 10/1 Olmsted AP.
1991Spring Early south 5/9 Olmsted BSE, 51 I 0 Stearns JR, 5/11 Brown JS, Goodhue HH, EL, Olmsted TEB, Wabasha DWM; early north 5/10 Becker BK, 5/11 Hubbard JL, 5/15 Clay LCF, Lake of the Woods SWIMS; late south 5/19 Brown ED, JS, Mower JM, Scott DZ, 5/20 Ramsey AB.
1991Summer Seen in Clearwater, St. Louis, Lake, Cook.
1991Fall Early south 8/10 Hennepin SC, 8/12 Brown JS, Hennepin TT; late north 9/10 Cook KMH, 9/14 St. Louis TEB, KR; late south 9/6 Hennepin DC, 9/16 Hennepin SC.
1992Spring Early south 5/7 Hennepin TT, 5/8 Hennepin DZ; early north 5/10 Becker BBe, 5/13 Kanabec CM; late south 5/24 Hennepin RCD and Stearns JR, 5/26 Ramsey KB.
1992Summer Most reports since 1986. Seen in Lake of the Woods, Clearwater, Carlton, St. Louis, Lake, Cook; plus late migrants 6/2 Brown, 6/6 Scott, 6/21 Carver DM.
1992Fall Early south 8/6 Hennepin SC, 8/13 Rice County TB; late north 9/12 Cook County KMH, 9/19 Cook PS; late south 9/13 Winona CS, 9/17 Rice TB.
1993Spring Early south 5/8 Goodhue HH, 5/9 Anoka PKL and Washington DN. Early north 5/8 Cook OSL, 5/15 Otter Tail SDM. Late south 5/30 Hennepin SC, 5/31 Hennepin JF and Nicollet TT.
1993Summer Observed in St. Louis, Lake, Cook; plus late migrants 6/1 Mower, 6/4 Hennepin.
1993Fall Early south 8/15 CF, 8/17 Hennepin SC, Rice TB. Late north 9/12 Aitkin WN, 9/17 Clay LCF. Late south 9/19 Winona JPo, 9/21 Hennepin TBr, SC.
1994Spring Early south 5/13 Nicollet MF, 5/14 Goodhue BL, Hennepin TT and Scott DZ; early north 5/13 Polk KSS, 5/14 Marshall KSS; late south 5/26 Rice TB and Murray ND.
1994Summer Seen in Beltrami, St. Louis, Lake, Cook, Aitkin, Pine.
1994Fall Early south 8/11 Hennepin SC, 8/15 Steele RG. Late north 8/28 Carlton LW, 9/1 Becker BK. Late south 9/25 Goodhue SWe, 10/1 Hennepin SC.
1995Spring Early south 5/11 Hennepin DB, 5/13 Murray ND and Washington TEB; early north 5/13 St. Louis AE, 5/14 Douglas SW, 5/16 Aitkin CB; late south 5/29 Hennepin SC, 5/30 Brown JS, 5/31 Mower RRK.
1995Summer Many reports. Seen in seven north central and northeast counties plus late migrants 6/1 Pipestone, 6/4 Dakota, 6/6 Ramsey.
1995Fall Early south 8/17 Hennepin SC, 8/20 Brown JSp, 8/22 Winona CS. Late north 9/1 Cook KMH, 9/3 Aitkin CMG, 9/16 Koochiching GM. Late south 9/12 Hennepin SC, 9/14 Winona CS, 9/15 and Ramsey KB.
1996Spring Early south 5/15 Jackson BBo, 5/16 Olmsted JSt. Early north 5/18 Todd JSK, SDu and Wadena PBi. Late south 5/27 Anoka TT and Winona FL, 5/30 Hennepin SC, 5/31 Brown JSp.
1996Summer Reported in Pennington, St. Louis, Lake, Cook, Carlton.
1996Fall Early south 8/21 Carver DJe, Fillmore NO and Hennepin SC. Late north 9/22 Carlton LW, 9/30 (latest north date) St. Louis AE. Late south 9/21 Brown JSp, 9/22 Big Stone LE and Hennepin SC, TT, 9/23 Anoka KB.
1997Spring Early south 5/17 Freeborn GS, Scott RH, Steele CH and Washington DS. Early north 5/10 Becker BBe, 5/18 Aitkin WN and Wadena PBi. Still present in several southern counties on 5/31.
1997Summer Possible nesting in Anoka (Boot Lake SNA, KB, SC); also reported in St. Louis, Lake. Late migrants 6/1 Freeborn, 6/3 McLeod.
1997Fall Early south 8/20 Hennepin SC, 8/21 Brown JSp, 8/22 Le Sueur MF. Late north 8/24 Beltrami DJo, 8/31 Aitkin WN, 9/9 Lake DV. Late south 9/5 Rice JL, JLa and Washington RJ, 9/9 Hennepin SC.
1998Spring Early south 5/20 Hennepin SC and Rice TBo, 5/21 Rock PS. Early north 5/15 Cass EP, 5/16 Pine DS, 5/18 Aitkin CB and St. Louis FN. Late south 5/31 Hennepin TT.
1998Summer Seen in Clearwater, St. Louis, Lake, Cook; plus Anoka (two males on territory during June at Boot Lake SNA) KB. New nesting record, and first for southern Minnesota, in Washington (near Falls Creek SNA) KB (The Loon 70:169–170). Late migrants 6/6 Clay and Rice, 6/9 Brown.
1998Fall Early south 8/16 Hennepin SC, 8/18 Rice TBo, 8/20 Carver RJ. Late north 9/6 Clay GN, 9/18 St. Louis SL, 9/19 St. Louis TT. Late south 9/20 Brown JSp, 9/24 Hennepin LE, 10/6 Lac qui Parle FE.
1999Spring First reported up to five days earlier than usual south and north. Early south 5/6 Hennepin PJ, 5/8 Goodhue DN, 5/10 in four counties. Early north 5/8 Todd JSK, SDu, 5/15 Marshall JJ, 5/20 Otter Tail SDM. Last reported south 5/25 Hennepin SC, but see summer reports in Anoka.
1999Summer Reported in Cass, Itasca, St. Louis, Lake, Cook, Carlton; plus 6/20 Anoka (four different territories in Boot Lake SNA) KB.
1999Fall All September reports north: 9/4 Kanabec CM, 9/13 Cass MRN, 9/22 St. Louis SL, the last bird one week later than usual. Early south 8/12 Hennepin DBo, 8/14 Hennepin TT. Late south 9/16 Hennepin SC, 9/19 Fillmore NO, 10/1 Lac qui Parle FE. Movement through the south was typical, except for one straggler in a western county.
2000Spring Observed in 13 south and 7 north counties, but none in the southwest. Early south 5/6 Meeker DF, then daily arrivals 5/12–19. Early north 5/17 in three counties. Late south 5/29 Scott TT and Hennepin SC.
2000Summer Reported in Aitkin, St. Louis, Lake, Cook; plus 6/6 Anoka (5 singing males) KJB, 6/17 Washington (male carrying food) KJB.
2000Fall Only reported from Aitkin, Clay, and St. Louis in north; latest 9/2 St. Louis ALE, 9/4 St. Louis JWL. More widespread in south, where found in 17 counties. Early south 8/11 Rice TFB, 8/13 Hennepin CMM. Last reported south 9/12 Washington DPS, 9/19 Hennepin WCM.
2001Spring Found in 17 south and 11 north counties, scattered across all regions. Early south 5/6 Mower RNS, 5/7 Rice TFB. Arrived north exactly on the recent median date — 5/13 Wadena PJB. Late south 5/29 Hennepin SLC.
2001Summer Record high number of reports, almost double the previous ten-year average. Observed in seven North-central and Northeast counties plus Mille Lacs, Pine; also found 6/2 Meeker, 6/23 Anoka (Boot L.) TAT.
2001Fall Early south 8/13 Hennepin ChM and Murray CRM. All north reports: 8/26 Aitkin CLB, 9/2 Wadena PJB, 9/3 St. Louis TPW, 9/15 St. Louis WCM. Late south 9/11 Brown JSS, 9/25 Hennepin TAT.
2002Spring Seen in 18 south and 15 north counties. Early south 5/5 Goodhue RA, 5/14 in three counties. Early north 5/15 Aitkin KJB, 5/16 Carlton LAW and Morrison WLB. Late south (away from known breeding areas) 5/27 in four counties. High counts 5/25 Anoka (16 at Rice Creek) KJB, 5/27 Beltrami (7) DPJ.
2002Summer Found in Cass, Itasca, St. Louis, Lake, Cook, Aitkin, Carlton, Mille Lacs, Pine.
2002Fall Early south 8/13 Rice TFB, 8/14 Anoka KJB. Late north 9/1 Marshall JMJ, 9/3 Wadena PJB. Late south 9/11 Hennepin PEB, 9/17 Hennepin ChM.
2003Spring Seen in 13 south and 12 north counties. Early south 5/6 Olmsted PWP, 5/10 Steele NAMC. Early north 5/15 Kanabec CAM, 5/17 Todd JSK, SID and Wadena PJB. Late south (away from known breeding areas) 5/31 Hennepin SLC, DCZ.
2003Summer Observed in Beltrami, Itasca, Cass, Lake, Cook, Carlton, Pine, Mille Lacs; plus new nesting record in St. Louis M.C.B.S. Also found on same territories as previous years in Anoka and Washington KJB.
2003Fall Reported from all regions. Early south 8/18 Rice TFB, 8/19 Lac qui Parle CRM, 8/20 Hennepin ChM. Late north 9/13 Red Lake (Huot) PHS, 9/14 Otter Tail JMP, 9/15 St. Louis PHS (same as median). Late south 9/15 Hennepin DWK and Houston FZL, 9/30 Ramsey NSp (median 9/22).
2004Spring Seen in 16 south and 15 north counties. Early south 5/10 Olmsted PWP, 5/13 Hennepin NAJ, JEP and Sherburne PLJ. Early north 5/15 Otter Tail EJE, DTT, SMT, 5/16 Aitkin WEN. Late south (away from known breeding areas) 5/27 Hennepin SLC. Highest reported count 5/28 Kittson (14) AXH, PHS.
2004Summer Seen in Cook, Lake, St. Louis, Itasca, Cass, Clearwater, Pine, Clay.
2004Fall Reported from 9 north and 13 south counties. Early south 8/14 Hennepin ChM, then frequent after 8/20. Scattered reports north through 9/8, then 9/23 St. Louis LAW, tying the fourth latest date. South reports through 9/24, then 10/3 Ramsey NSp, followed by an astonishing 11/1 Ramsey †BRL, beating the previous latest date by 19 days!
2005Spring Found in 17 south and 10 north counties, and in all but two regions. Early south 5/13 Fillmore DFN, then numerous reports 5/17 and 5/19. Early north 5/18 St. Louis ALE, followed by numerous reports 5/21. Both south and north arrivals five days behind median. Late south (but see summer report) 5/28 Scott BAF. Highest reported count 5/28 Scott (7) BAF.
2005Summer Seen in Itasca, Cass, Cook, Lake, and St. Louis, plus late spring migrant 6/1 Rice TFB.
2005Fall Found in 12 north and 18 south counties. Early south 8/13 Hennepin PEB, 8/18 Meeker DMF. Late north 9/18 Pine JMP. Late south 9/17 Le Sueur WCM.
2006Spring Reported from 23 south and 9 north counties. Early south 5/9 Lac qui Parle BJU, 5/18 Chippewa and Renville BJU. Early north 5/20 Pine MCA, 5/21 Itasca JWL, 5/26 Cook JFN. Late south (away from known breeding locations) 5/23 Olmsted JWH, PWP; also see summer report.
2006Summer Observed in 11 counties, 9 north plus 6/1 Meeker DMF, 6/2 Sherburne ASc.
2006Fall Reported from 9 north and 23 south counties. Early south 8/10 Rice TFB, 8/14 Hennepin ChM, 8/15 Sherburne ASc. Late north 9/1 Mille Lacs NSc, 9/6 Mille Lacs ASc. Late south 9/23–24 Hennepin CMB. For both north and south regions the bulk of reports were in August, and virtually ceased after the first week in September.
2007Spring825 Early south 5/7 Pipestone JEB, 5/8 Le Sueur RMD, 5/9 Steele KRV (median 5/9). Early north 5/12 Koochiching AXH and Mille Lacs NSc, 5/14 Cass BAW (median 5/14). Second highest spring count 5/31 St. Louis (25 at Park Point, Duluth) CLW. Late south (but see summer report) 5/26 Rock RTH (median 5/31).
2007Summer84 Reported from record high number of counties. Observed north in Koochiching, Clearwater, Itasca, Cass, Carlton, St. Louis, Lake, Cook, and late south migrants 6/1 Meeker DMF, Scott BAF, Lac qui Parle BJU, 6/3 Hennepin DWK.
2007Fall616 New fall season high count 8/24 Rice (12) DAB; also notable 8/27 Dakota (10, Spring Lake P.R.) JPM, 8/25 Hennepin (8, Wood Lake N.C.) CMB. Late north 9/7 Mille Lacs ASc, 9/8 St. Louis LAV, 9/22 St. Louis MCA (median 9/15). Early south (median 8/13) 8/9 Sherburne PLJ, 8/13 Dakota DAT, 8/14 Rice TFB. Late south 9/8 Goodhue SWe, 9/17 Anoka DPG, 9/20 Rice TFB (median 9/23). [Corrected]
2008Spring1424 Early south (median 5/9) 5/10 Steele NFT, 5/11 McLeod PRH, 5/13 Dakota JLO, JPM, Hennepin CMB. Early north (median 5/13) 5/18 Kanabec CAM, 5/22 Cass BAW, Marshall PHS, 5/23 Becker JEB, Itasca JEB. Late south 5/29 Hennepin DWK, 5/30 Scott BAF, 5/31 Dakota RLW, Scott PEJ (median 5/31).
2008Summer63 Reported from Cass, Itasca, Aitkin, St. Louis, Lake, Cook, Meeker, Scott, and late south migrant 6/6 Hennepin BAF.
2008Fall623 Late north 9/3 Lake RBW, 9/6 Mille Lacs ASc, 9/9 St. Louis PHS, 9/12 St. Louis PHS (median 9/15). Early south (median 8/13) 8/8 Rice DAT, 8/10 Sherburne PLJ, 8/16 Meeker DMF, 8/19 Rice DAT. Bulk of south records are from the last week of August to mid-September. Late south 9/14 Hennepin DWK, Olmsted JWH, 9/15 Wabasha JWH, 9/20 Swift DBM, 9/21 Carver WCM (median 9/23).
2009Spring1921 Early south (median 5/9) 5/13 Lac qui Parle BJU, Rice TFB, Scott SLP, 5/14 Fillmore NBO, Meeker DMF, Olmsted JWH, Winona LBF. Early north (median 5/13) 5/16 Cass BAW, Morrison FGo, 5/17 Crow Wing JSB, Marshall JMJ, 5/18 Hubbard MaH. Late south 5/29 Blue Earth WCM, 5/30 Carver JCy, Nicollet CMB, m.ob., Scott BAF, 5/31 Brown RMD, m.ob.(median 5/31).
2009Summer82 Observed in North-central, Northeast plus Mille Lacs, Pine. Late south migrants 6/1 Rice TFB, 6/14 Scott (Murphy-Hanrehan P.R.) BAF; the latter sang 6–8 songs/minute for >30 minutes and may have been on territory at the southern limit of this species' breeding range. First county breeding record from Cass BAW.
2009Fall1124 Early south (median 8/12) 8/21 Meeker DMF, 8/22 Pope HHD, 8/23 Dakota LS, BAF, 8/24 Sherburne ASc. Late north 9/6 Roseau JCC, 9/10 Mille Lacs ASc, 9/11 St. Louis PHS (median 9/15). Late south 9/15 Fillmore DBM, Hennepin SLC, Steele RBW, 9/16 Carver JCy, 9/19 Yellow Medicine WCM, 9/20 DWK (median 9/22).
2010Spring1016 Early south (median 5/9) 5/11–13 Rice DAB, 5/14 Olmsted JWH, 5/15 Sherburne ASc, 5/16 Scott DWK. Early north (median 5/14) 5/17 Cass ABi, 5/18 Kittson JEB, 5/19 Lake JWL, 5/20 Becker DBM, Cass BAW. Late south 5/26 Rice TFB, 5/27 McLeod PRH, 5/28 Hennepin MDu (median 5/31).
2010Summer92 Observed in North-central and Northeast.
2010Fall828 Early south (median 8/12) 8/7 Anoka DWK, 8/9 Hennepin DDo, 8/11 Hennepin TAT, 8/12 Lac qui Parle BJU. Late north 8/24 Carlton MJB, St. Louis CRu, 8/25–28 Mille Lacs ASc, 9/18 St. Louis TAb (median 9/15). Late south 9/16 Hennepin CMB, Stearns RBW, 9/18 Chisago DBM, 9/19 Hennepin MJB (median 9/22). Bulk of reports south are from mid-August to the first week of September. Season high counts 8/21 Carver (7) WCM, 8/23 Lake (5) BeW, 8/21 Anoka (4) DWK, 8/21 St. Louis (4) CRu.
2011Spring1830 Early south (median 5/9) 5/5 Hennepin CMB, 5/7 Goodhue JLO, m.ob. 5/9 Hennepin CMB, RZi. Early north (median 5/14) 5/13 Mille Lacs ASc, 5/14 Mille Lacs JSP, 5/15 Crow Wing and Morrison FGo. Late south 5/30 Chippewa BJU, Hennepin TAT, SLC, Redwood SVo, Rice TFB, Swift BJU (median 5/31). Noteable high counts 5/22–23 St. Louis (13, Park Point R.A.) PHS.
2011Summer14Late spring migrant 6/1 Clay RHO. Summer reports in Northeast, North-central, plus Pine. High count 6/16 St. Louis (5, Superior National Forest Road 200) AJo, BWi.
2011Fall1328 Early south (median 8/12) 8/13 Big Stone BJU, Hennepin (Minnehaha Creek) TAT, Lac qui Parle (3, Big Stone N.W.R.) BJU, 8/14 Hennepin SLC. High count 8/20 Carver (9; 4 males, 5 females at Minnesota Landscape Arboretum) JCy. Late north 9/6 St. Louis (Ely) JeP, 9/30 Todd (2) JLK, 10/2 Morrison FGo (median 9/15). Late south 9/10 Carver (2) JCy, Hennepin StB, 9/17 Hennepin SLC, 9/19 Steele (Saco Farm) PSu (median 9/22).
2012Spring1217 Early south (median 5/9) 5/4 Hennepin CMB, Nicollet MiO, 5/6 Anoka PSe, Washington DFN. Early north 5/11 Todd JeM, DTM, 5/12 Douglas JPE, 5/19 Carlton MJM, Clearwater DWK, PEB, Douglas JPE, Lake JaM, Morrison GLa. High counts 5/21 Hennepin (8, Wood Lake N.C.) CMB, 5/28 St. Louis (8, Park Point) DWK. See summer report for later south migrants.
2012Summer102 Found in North-central and Northeast plus Pine, and late migrants 6/1 Washington PNi, 6/4 Chisago RMa.
2012Fall1737 Early south (median 8/12) 8/4 Brown BTS, 8/8 Ramsey YK, 8/9 Hennepin (2 locations) TAT. High counts 8/19 Carver (10, Rapids Lake Unit) JCy, 8/20 Faribault (10, Rice Lake W.M.A.) CoN, ClN. Late north 9/9 Morrison DLP, 9/15 Pine EMH, 9/27 Marshall (2) fide JMJ, followed by record-late 10/11 St. Louis JLK (median 9/15). Late south 9/17 Ramsey LMS, 9/20 Hennepin (Westwood Hills N.C.) RZi, 9/24 Hennepin (Old Cedar Ave. Bridge) RDa (median 9/22).
2013Spring2034 Early south (median 5/9) 5/9 Rice DAB, DBz, Wright AKn, 5/10 Steele HHD, JWH, 5/12 Hennepin KeG, Olmsted MHm. Early north (median 5/14) 5/14 Otter Tail SAv, 5/15 Cass DAY, BAW, 5/16 Beltrami PBD, 5/18 St. Louis KRE, JLK. High counts 5/26 Carver (12, Carver P. R.) JCy, 5/25 Carver (11, Carver P.R.) WCM, 5/30 St. Louis (11, Park Point R.A. and adjacent Southworth Marsh) PHS. Late south 5/31 Chisago HHD (median 5/31), but also see summer report.
2013Summer131 Observed in all northern regions plus late migrant south 6/1 Carver JCy. Unusual concentration of spring migrants 6/3 Clay (7, Gooseberry Park, Moorhead) RHO.
2013Fall1726 Early south (median 8/12) 8/18 Carver JCy, 8/22 Brown MiO, Carver JCy, Hennepin CMB, Lac qui Parle DLP, Steele PSu. High count 9/1 Nicollet (8) WCM. Late north 9/12 St. Louis JLK, 9/15 Lake AxG, 9/16 Lake TNa (median 9/15). Late south 9/15 Carver JCy, Meeker MJB, Stevens RAE, 9/21 Carver JCy, 9/25 Rice TFB (median 9/22).
2014Spring2124Early south (median 5/9) 5/7 Rice DAB, TFB, 5/8 Rice GHo, 5/10 Hennepin SHu. Early north (median 5/14) 5/12 Pine JSa, 5/18 Cass BAW, Clay NKu. High count 5/25 St. Louis (12) RSA. Late south 5/27 Hennepin JmM, 5/28 Ramsey BCh, Steele PSu (median 5/31).
2014Summer9Found in Carlton, Cass, Clearwater, Cook, Itasca, Koochiching, Lake, Pine, St. Louis.
2014Fall2329 Early south (median 8/12) 8/9 Hennepin DCZ, 8/12 Hennepin MwS, 8/14 Steele PSu,. High counts 9/1 Nicollet (9, Seven Mile Creek C.P.) WCM, 8/29 Brown (6) ANy, 8/30 Clay (6, Buffalo River S.P.) PBB. Late north 9/9 St. Louis JLK, 9/12 St. Louis JLK, 9/14 Carlton JDR (median 9/15). Late south 9/20 Nicollet WCM, Rice TFB, 9/21 Sherburne TSh (median 9/22).
2015Spring1735 Early south (median 5/9) 5/6 Hennepin JEl, Olmsted SHk, 5/8 Houston JMs, KMS, CRM, Winona DWl,. Early north (median 5/14) 5/9 St. Louis ENe, 5/14 Lake JWL, 5/16 also in Crow Wing, Pine, Polk. High counts 5/18 St. Louis (16) KJB, 5/23 Lake (14, Tettegouche S.P.) DTr, JEd. Late south 5/26 Lyon TKa, 5/27 Chisago JEB, 5/28 Lincoln RMD (median 5/31).
2015Summer111 Found in North-central, Northeast, plus Pine, Roseau. Late spring migrant 6/12 Hennepin (male, Powderhorn Park, Minneapolis) TAT. High count 7/1 St. Louis (7, Twin Lakes near Ely) BHo.
2015Fall1736 Early south (median 8/13) 8/6 Carver JCy, 8/10 Rice TFB, Steele PSu. High count 9/1 St. Louis (5) JLK. Late north 9/7 Morrison DLP, 9/8 St. Louis (Park Point R.A.) AKO, 9/14 St. Louis (Hawk Ridge/Lester River Census) KJB (median 9/16). Late south 9/24 Freeborn PSu, 9/25 Dakota JBu, Hennepin DWK, CMB, SBM, 9/26 Hennepin PRH, JcM (median 9/21).
2016Spring1725 Early south (median 5/9) 5/8 Rice DAB, 5/10 Steele PSu, 5/12 Carver JCy, Rice TFB, Steele DFe, PSu. Early north (median 5/14) 5/14 St. Louis BMu, 5/15 Beltrami LSm, Morrison SEm. High counts 5/28 Carlton (8, Jay Cooke S.P.) JEd, DTr, 5/28 St. Louis (8, Park Point) ACr. Late south 5/28 Hennepin SOa, 5/29 Anoka LBi, 5/30 Rock RZi (median 6/1).
2016Summer131 Found in North-central, Northeast plus Anoka, Pine. High count 6/5 St. Louis (8, Lost Lake area) GCl.
2016Fall2140 Early south (median 8/13) 8/9 Steele PSu, 8/13 Chippewa RBW, 8/14 in four additional counties. High counts 8/21 Hennepin (14, Wood Lake N.C.) LiH, 8/19 Hennepin (6) TAT, 8/26 St. Louis (6, Hawk Ridge/Lester River Census) KJB. Late north 9/13 St. Louis RSt, 9/17 Kanabec JCC (median 9/16). Late south 9/16 Hennepin CMB, ADr, 9/17 Carver JCy, 9/18 Martin DWK (median 9/21).
2017Spring1928 Early south (median 5/9) 5/9 Dakota SWe, Hennepin KFi, SFi, CTh, Houston SHo, Ramsey LiH. Early north (median 5/13) 5/8 Cass ABi, 5/9 St. Louis RCl, 5/11 Crow Wing DBz, EGa. High counts 5/26 Pine (10, Banning S.P.) DTr, JEd, 5/21 Hennepin (6, T. S. Roberts Bird Sanctuary) KWa, 5/30 Lake (6) NLM. Late south 5/27 Hennepin SAl, SKS, Ramsey PRH, Stearns HHD, Washington JEc, 5/30 Hennepin JuW, Steele PSu (median 6/1).
2017Summer111 Observed in all northern regions plus late migrant 6/9 Hennepin WPe. High count 6/13 Cook (10, Lima Mtn. Rd., “The Triangle”) ebd.
2017Fall1939 Early south (median 8/13) 8/14 Dakota HSt, 8/15 Hennepin ACr, 8/17 Rice TFB. High counts 8/21 Carver (6, Minnesota Landscape Arboretum) JcM, 8/23 Carver (6, Rapids Lake) JCy, 8/22 Steele (5) PSu. Late north 9/13 St. Louis TLu, 9/16 Cook DnS, MiS, 9/17 St. Louis TRd (median 9/16). Late south 9/24 Rice (Carleton College Cowling Arboretum) NiR, 9/26 Hennepin SBM, WFe, 9/29 Rice (Northfield, Taylor Court) DAT (median 9/21).
2018Spring2436 Early south (median 5/9) 5/8 Chisago ebd, 5/9 Carver JCy, WCM, Dakota ADS, AJF, Hennepin ebd, Mower SWm, with many more reports beginning 5/10. Early north (median 5/14) 5/10 Douglas ToR, 5/11 Morrison FGo, 5/14 Carlton BDo, then many reports beginning 5/17. High counts 5/19 Sherburne (9, George Friedrich Park) JOs, 5/19 Stearns (8, St John's Abbey Arboretum) ebd, 5/20 Sherburne (7, Sherburne N.W.R.) RCl. Late south 5/26 Chisago ebd, 5/29 Hennepin MZa (median 6/1), but also see summer report.
2018Summer101 Found in North-central, Northeast, plus late migrant 6/1 Hennepin (south Minneapolis) BAF.
2018Fall2344  Early south (median 8/13) 8/10 Anoka ebd, Redwood WCM, Steele PSu, 8/11 Carver JCy, Hennepin ChP, Houston ebd, Watonwan MiO. High counts 9/2 Yellow Medicine (10, Upper Sioux Agency S.P.) IVa, 8/6 Lake (5) ebd, 8/18 Stearns (5) PCC. Late north 9/15 Mille Lacs DWK, 9/16 St. Louis LiH, ClB, JJu, 9/17 St. Louis JLK (median 9/16). Late south 9/25 Hennepin PRH, CMB, 9/26 Goodhue SDi, 10/6 Washington MBw (median 9/21).
2019Spring2844 Early south (median 5/9) 5/6 Hennepin EGB, 5/9 Dakota DEv, Hennepin ebd, followed by Carver, Cottonwood, Scott, Stearns on 5/12. Early north (median 5/14) 5/11 Becker ebd, 5/15 Carlton ebd, Pine KrM. High counts 5/20 Fillmore (15, Forestville/Mystery Cave S.P.) ToM, 5/17 Anoka (12, Locke Park/Rice Creek West Regional Trail) LiH, RMD, 5/27 Becker (12, Tamarac N.W.R.) ShG, HeH. Late south 5/31 Hennepin GrS, Washington JDS, but also see Summer Report (median 6/1).
2019Summer124 Found in all regions except West-central, Southwest, Southeast. Spring migrants through 6/2 in the 4 south counties. High counts 6/15 Lake (6, Superior Hiking Trail, Two Harbors) JWL, 7/12 Lake (6, North Country National Scenic Trail) RZu, m.ob.
2019Fall1741 Early south (median 8/13) 8/15 Goodhue PEJ, 8/17 Brown BTS, Carver JCy. Reports peaked during the last week of August through the first week of September. High count 8/30 Hennepin (6, Minnesota Valley N.W.R., Bass Ponds) IVa. Late north 9/10 St. Louis H.R.B.O., 9/14 St. Louis (Park Point) FFa, ASu, MKr, 9/16 Lake ebd (median 9/16). Late south 9/23 Hennepin CWB, Washington MBw, 9/28 Carver ebd (median 9/23).
2020Spring2248 Early south (median 5/9) 4/30 Hennepin TDv, 5/3 Olmsted SHo, 5/10 Goodhue MaS. Early north (median 5/14) 5/13 Cass ebd, 5/18 Carlton HTr, Morrison HHD. High count 5/26 St. Louis (17, Park Point R.A.) PHS. Late south 5/28 Hennepin ebd, 5/30 Olmsted BLa (median 6/1).
2020Summer9 Reported from Aitkin, Carlton, Clearwater, Cook, Itasca, Lake, Lake of the Woods, Pine, St. Louis. High counts 7/4 Lake (16, Knife River Hiking Trail) GMd, RSw, 6/4 Cook (14, Lima Mountain Trail) ASu, 6/4 Cook (12, South Brule and Lima Grade Roads) ASu.
2020Fall2845 Reported from more north and more south counties than in any previous season. Early south (median 8/13) 8/13 Dakota DFN, Hennepin RBJ, 8/15 Carver JCy, Hennepin TAT, ClB. Record high fall count 8/29 Lyon (32, estimate, Garvin C.P.) JbS; also 8/25 Yellow Medicine (11, Upper Sioux Agency S.P.) GWe, 8/27 Hennepin (9, T. S. Roberts Bird Sanctuary) ebd, 9/8 Hennepin (9, East River Flats Park) EHi. Late north 9/16 St. Louis (Western Waterfront Trail) JLK, (Forest Hill) JLK, 9/24 Todd JLK (median 9/16). Late south 9/27 Rice MZa, 9/28 Ramsey MWS, Scott TZt (median 9/23).
2021Spring2030 Reported statewide, though with few reports from the Southwest. Early south (median 5/8) 5/2 Hennepin (Minnesota Valley N.W.R., Bass Ponds) †KBg, 5/7 Scott BHw, BKa, 5/9 Hennepin (T.S. Roberts Bird Sanctuary) ebd. Early north (median 5/14) 5/13 Cass ebd, 5/14 St. Louis GJN, 5/15 Beltrami ebd, Lake PgR, St. Louis BLz. High counts 5/20 St. Louis (14, Park Point R.A.) HTo, IDv, TRK, StK, 5/19 Cook (8, Centennial Trail) JEd, DTr. Late south 5/28 Anoka TPp, Hennepin ebd, Ramsey AnA, Scott MSw, Washington JDS; see summer report for even later migrants (median 6/1).
2021Summer122 Found on territory in North-central, Northeast, plus Pine. Late spring migrants 6/1 Dodge TAN, Hennepin ebd. High count 6/7 Lake (13, Gooseberry Falls S.P.) MO.
2021Fall1947 Found statewide, with the most south reporting counties ever. Early south (median 8/13) 8/8 Anoka SRo, 8/9 Hennepin JBn, Steele PSu. High counts 9/2 Ramsey (8, Sucker Lake) GrN, 8/24 Steele (6, Somerset Twp.) PSu, 8/29 Carver (6, Carver P.R.) JCy, 8/31 Hennepin (6, Wood Lake N.C.) ClB. Late north 9/12 Itasca ebd, 9/13 Clay ebd, 9/15 St. Louis IDv (median 9/17). Late south 9/21 Hennepin HPe, MyP, ebd, Washington (Cottage Grove) PNi, (2, Lake Elmo R.P.) ebd, 9/28 Anoka ebd (median 9/24).
2022Spring2743 Found in every region. County totals up 34% (south) and 35% (north) from the ten-year average, which is encouraging given this warbler’s declining population. Early south (median 5/8) 5/7 Goodhue ebd, 5/8 Lyon GWe, Nicollet RHh. Early north (median 5/14) 5/11 Crow Wing ebd, 5/12 Lake JlB, St. Louis ebd. High counts 5/29 St. Louis (21, Park Point R.A., exact count) FJN, StK, 5/21 Ramsey (20, Reservoir Woods) RMD, 5/18 Carver (13, Carver P.R., exact count) JCy. Late south 5/29 Goodhue ebd, Ramsey (two locations) LiH, but see summer report (median 6/1).
2022Summer112 Reported within normal breeding range in North-central and Northeast, plus Roseau. Late spring migrants 6/3 Brown SLH, 6/9 Ramsey TAn. High counts 7/4 Lake (10, Range Lake) JEl, 7/2 Lake (9, Superior N.F., Snowbank Lake Rd.) ebd.
2022Fall2342 Early south (median 8/13) 8/11 Houston JGW, 8/13 Ramsey (2) LiH, ebd, Sherburne HHD, PLJ, 8/14 also in Anoka, Brown, Kandiyohi, Ramsey, Steele (2). High counts 8/27 Carver (12, Carver P.R., Grimm Rd.) JCy, 9/3 Anoka (12, Rice Creek Chain of Lakes P.R.) DnS. Late north 9/17 Morrison (7) SEm, 9/19 St. Louis HTo, SeM, IDv, 9/20 Aitkin LBa, St. Louis ClN, KDx, ClN (median 9/17). Late south 9/24 Brown (2) ebd, Steele PSu, 9/28 Hennepin ebd, 10/1 Olmsted BLa (median 9/24).
 
 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.