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
Louisiana Waterthrush(Parkesia motacilla)
YearSeasonNS
1934Summer Kenneth Carlander found a vcr;r intercstin~ nest of this species on May 19th. On that date it contained 11 eggs, althourh this bird usually lays only 4 to 6. On Juno 3rc1 this nest wn.s seen again by Carlandcr and DuToit ancl found to contain only 9 eggs. Although the incubation period for this bird is supposed to be 12 to 14 days (Forbush), the second visit to the nest was 15 days after tho first and yet there were no young in the nest.
1943SummerJuly 10, Stillwater, ne•st in cavity of rock. B-ros. Lewis a;nd Pius.
1962SpringMay 1 Ramsey Co., and May 12 Goodhue Co., A. C. Rosenwinkel; May 1 and 15 Minneapolis, R. Huber.
1963SpringMay 1, Sibley Co., Avifaunal Club; May 4, Goodhue Co., Avifaunal Club; May 5, Ramsey Co., A. C. Rosenwinkel; May 30, Fillmore Co., one banded by Carl M. Johnson.
1964Spring5-3, 5-8 Ramsey Co, ACR; 5-2 Goodhue Co, RBJ.
1965Spring5-13 Minneapolis, FN; 5-16 Anoka Co, LB and 5-22 Anoka Co, ACR; these were the only reports.
1966Spring5-3 Washington Co, DS; 5-7 Douglas Co, MVS (very northerly record; almost certainly the Northern Waterthrush); 5-7 Goodhue Co, BL; 5-9 Washington Co, DS; 5-16 St. Paul, ACR; 5-26 St. Paul, ACR; 5-31 Whitewater Park, Winona Co, EHH.
1966Summer6-6 Indian Mounds Park, Ramsey Co, ACR; 6-18 Whitewater State Park, Winona Co, 2, DB.
1967Spring5-10 Hennepin Co., DB, EHH; 5-12 Hennepin Co., RDT; 5-12 Ramsey Co., ACR; 5-13 Ramsey Co., RJC; 5-15 Washington Co., WHL; 5-18 Hennepin Co., EWJ; 5-20 Ramsey Co., RJC.
1968Spring 5-4 Houston Co., DB, EHH; 5-12 Houston Co., FL, ELC, RLH; 5-14 Minneapolis, FN/MAS; 5-15 Minneapolis, VL; 5-22 Carver Co., MHM; only reports. Fargo-Moorhead, fide EGA; 5-21 Clearwater Co., WHL; 5-22 Morrison Co., LSR; 5-27 Duluth, JCG; 5-30 Clearwater Co., KE; only reports.
1968Summer 6-4 Franconia, Chisago Co, 6 singing resident males, WHL (may be northernmost record for state ?).
1968Fall9 -4 Wright ETS.
1969Spring5-2 Winona Co., BT, and Minneapolis, EWJ; 5-5 Washington Co., WHL; 5-10 Washington Co., WWL; 5-21 Minneapolis, EWJ. 79 September 1969
1970Spring6 reports Winona TV; 5-3 Goodhue DB; 5-8 Goodhue KE; 5-9 Dakota FL; 5-13 Hennepin MM; 5-16 Stearns KE, PE.
1970Fallone report FL.
1971Springonly 1 report TV.
1973Summer Nested in Chisago (6-9 WL); seen in Washington.
1973Fall One report: 8-4 Goodhue (JAB).
1974Spring Only 2 reports: 5-5 Hennepin (2) DR; 5-26 Ramsey GC.
1974Summer Reported only from Franconia, Chisago Co. (7-6, KG), the only regular spot known for this species in summer.
1974Fall 8·12 Chisago (2) KE; 8-23 Chisago RBJ; 8-28 Hennepin VL.
1975Spring 4 reports 4-30 (1) and 5-8 (1) Hennepin ETS; 5-3 Mower (1) RK; 5-10 Goodhue PVK.
1975Summer Again nested at Franconia, Chisago Co. (nest with 1 young and 2 cowbirds found; WL); a "family group" also reported at Beaver Creek Valley St. Pk. on 7-20 (DM).
1975Fallonly report 8-11 Franconia Chisago co. EC.
1976Spring 6 reports: 5-5 Hennepin CH; 5-6 Anoka (1) LH; 5-8 Goodhue (1) BE; 5-9 Wright (1) BH; 5-10 Wright (1) ETS; 5-12 Hennepin (1) DB.
1976Summerreported from Chisago (5 reports from Franconia), Washington (J. Fitzpatrick) and Houston (6-26, Beaver Creek Valley St. Pk., KE).
1977Spring 12 reports: 4-22 Houston EF; 5-6 Ramsey WL; 5-8 Hennepin DB, VL, Dodge VH and Carver ES; 5-10 Washington JD; 5-11 Hennepin ES; 5-22 Winona JF; 5-28 Hennepin WE; 5-28, 29 Houston KE.
1977Summer Nested in Winona (6-2, Elba Twp., adult carrying food; JF); also reported from Chisago (Franconia, many observers) and Houston (Beaver Creek Valley St. Pk.).
1978Spring 5-19, 30 Houston RK, KE, SM; 5-28 Lake (1) FL.
1978Summer Seen in Chisago (Franconia).
1979Spring Nine reports: 5-3 Rice LB, 5-5 Winona VH, 5-6 Hennepin TD, 5-7 Hennepin ES, 5-8 Anoka KL, Hennepin AJ, 5-10 Freeborn DG, 5-12 Goodhue FKB, Hennepin DB.
1979Summer Seen in Chisago, Olmsted (Marion), Blue Earth (Minneopa SP, 6-17, R. Glassel).
1979Fall One report 9-8 Hennepin SC.
1980Summer Seen in Houston, Olmsted (Marion), Pine (St. Croix SP, T40R17, SNA staff).
1981Spring Eight reports: 4-4 Houston JPI AM, 5-3 Hennepin ES, 5-5 Olmsted JSD, 5-7 Ramsey FKB, 5-10 Houston KE, FL, 5-15 Houston FL, 5-17 Olmsted JEB. Winter 1981
1981Summer Breeding data from Olmsted; nesting reported from Houston.
1982Spring Five reports: 5-1 Olmsted JEB, BE, 5-9 Houston JPI AM, 5-14 Houston BDC, 5-30 Houston FL.
1982Summer Seen in Houston, Washington (Copas), Chisago (Interstate SP).
1983Spring Early south 5/7 Fillmore RJ, 5/15 Hennepin SC, 5/17 Anoka SC; two reports north 5/22 and 5/29 Pine DZIMC (The Loon 55:89).
1983Summer Breeding data from PINE. Also seen in Houston, Washington, Hennepin (Wolsfeld Woods).
1984Spring All reports 5/6 Hennepin ES, 5/9 Houston FL, 5/16 Houston JPAM, 5/19 Winona AB, 5/20 Hennepin SC, Olmsted JPAM, 5/28 Hennepin OJ.
1984Summerseen in Pine (6/ 9, RJ).
1985Spring All reports 5/6 Olmsted AP, 5/10 Olmsted JEB, RE, 5/12 Washington SSt, 5/17 Hennepin SC.
1985Summer Seen in Winona, Washington (Belwin Nature Center).
1986Spring Early south 5/3 Hennepin OJ, 5/4 Houston JM, 5/10 Fillmore AMP.
1986Summer Seen in Houston (Beaver Creek Valley State Park).
1987Spring Early south 5/3 Houston FL, 5/10 Olmsted RSE, 5/24 Chisago and Washington OZ.
1987Summer Seen in Winona.
1988Spring Early south 5/4 Ramsey AB, 5/6 Olmsted BSE, 5/7 Houston TM; one report north 5/12 Red Lake RG, RJ (The Loon 60:91).
1988Summer Nested in Washington (BFa); only other report from Fillmore.
1988Fall 8/9 Kittson AB (The Loon 61 :46-47).
1989Spring Early south 5/5 Houston AP, 5/7 Winona AP, 5/11 Olmsted ill.
1989Summer Only reports from Anoka, Rice (Rice County Park).
1990Spring Early south 5/6 Rice PS, 5!13 Washington AB, 5/18 Dodge BSE, Houston FL.
1990Summer Only records from Rice (Nerstrand Woods State Park), Houston.
1991Spring All reports 5/4 Winona AB, 51 II Washington RH, 5/13 Pine RJ, 5/14 Goodhue HH.
1991Summer Only reports from Houston.
1991Fall Late south 8/27 Washington WL.
1992Spring Early south 4/17 Washington WL, 4/25 Houston DN.
1992Summer Nested at Falls Creek SNA in Washington Co.; also seen in Houston, 6/15 Rice TB.
1992Fall Late south 8/14 Washington County WL.
1993Spring Early south 5/1 Nicollet MF, 5/2 Chisago KE, Houston DN, Olmsted JB, Washington KE.
1993Summer Only report from Winona.
1993Fall Late south 9/2 Houston MCBS, 10/4 (latest date on record) Hennepin SC.
1994Spring Early south 4/30 Houston DN, 5/4 Winona CS.
1994Summer Nested in Winona; also observed in Wabasha, Washington.
1994Fall One report: 9/9 Winona CS.
1995Spring Early south 4/13 Winona CS, 4/29 Houston DN, 5/17 Olmsted CK, JW.
1995Summer Nested in Houston (Beaver Creek Valley S.P.; The Loon 67:201–204), probable nesting in Winona; also observed in Washington.
1995Fall Only report: 8/13 Winona CS.
1996Spring All reports: 4/19 Winona CS, 5/4 Houston (4) DN, 5/17 Fillmore NO, 5/26 Houston (4) FL.
1996Summer All reports: Chisago (near St. Louis River at Franconia) WM, Winona, Fillmore; Washington 6/1, Browns Creek and Silver Creek WL.
1996Fall All reports: 8/3 Fillmore CS, 9/3 Winona CS, 10/6 Kittson (second county record and latest date ever in Minnesota) PS (The Loon 68:247).
1997Spring Early south 4/23 Houston NO, 5/3 Houston DN, 5/22 Anoka TBr. No reports north. Total of sixteen birds reported from eight counties (ten birds from three counties last spring).
1997Summer Only report: probable breeding in Houston.
1997Fall No reports.
1998Spring All reports: 4/25 Houston (four singing males) mob, 4/26 Winona CK, 5/16 Hennepin (Wolsfeld Woods) WM.
1998Summer Probable nesting in Houston; also reported in Washington (Falls Creek SNA) KB.
1998Fall No reports.
1999Spring Early south 4/17–5/29 Houston (max. 3 at Beaver Creek Valley S. P.) JSt, FL et al., 4/24–5/21 Hennepin (Ft. Snelling S. P.) DZ, mob. Peak count 5/12 Winona (6 singing males in Whitewater S. P.) AH, PS. Also reported in Ramsey (two locations), Washington (L. Elmo), Rice (River Bend N. C.), Goodhue (Hok-si-la Park), Olmsted, Mower.
1999Summer All reports: Washington (Falls Creek SNA) KB, Winona (Whitewater S.P.) CW, Houston (Beaver Creek Valley S.P.) KK.
1999Fall No adequately documented reports.
2000Spring All reports: 4/22+ Houston (max. 6 at Beaver Creek Valley S. P.) mob, 4/29+ Winona (Whitewater S. P.) CBe et al., 5/8+ Fillmore NO, RJ, 5/12+ Rice (Nerstrand Woods S. P.) TBo et al., 5/22 Scott (Sand Creek Twp.) BSt.
2000Summer All reports: 6/10 Fillmore (Good Earth Village) JWH, 6/12 & 7/1 Houston (Beaver Creek Valley S.P.) CRM, DBz, 6/17–7/3 Washington (Falls Creek SNA) KJB et al.
2000Fall No reports were documented.
2001Spring All reports: 4/8 Houston JJS, 4/25+ Houston (Beaver Creek Valley S.P.) FZL, mob, 5/6 Rice TFB, 5/9 Washington RBJ, 5/11 Dakota (Miesville Ravine) †ADS, 5/27 Washington (Falls Creek S.N.A.) KJB.
2001Summer All reports: 6/18 Houston (Beaver Creek Valley S.P.) CRM, 6/23 Washington (near Copas) TAT, Fillmore (no date) NBO.
2001Fall Only report: 8/20 Fillmore (Hvoslef W.M.A.) NBO.
2002Spring Early south 4/14 Wabasha (Whitewater W.M.A.) LJU, 4/17+ Houston (3 at Beaver Creek Valley S.P.) OWB, m.ob. First county occurrence 5/4 Meeker (Litchfield N.C.) †DMF. Also observed in Blue Earth (Minneopa S.P.), Chisago (Interstate S.P.), Rice (multiple locations), Washington (3 locations).
2002Summer All reports: 6/2 Houston PHS, 6/2 and 6/15 Washington (max. 4 at three separate locations) TAT et al., 6/28 Fillmore (Shattuck Creek) NBO, 6/29 Pine (Kettle R. near Sandstone) N.R.R.I., 7/10 Winona OWB.
2002Fall All reports: 9/7 Washington (Falls Creek S.N.A.) KJB, 9/10 Hennepin (Wood L.) †TAT, †PEB.
2003Spring Early south 4/20+ Houston JJS, m.ob., 4/26 Winona PWP, 4/28 Olmsted PWP. Also observed in Fillmore (Shadow Creek), Blue Earth (Williams C.P.), Rice, Nicollet, Washington (Falls Creek S.N.A. and William O'Brien S.P.). High count 4/27 Houston (5 at Beaver Creek Valley S.P.) FZL et al.
2003Summer Observed 6/7 Washington (Falls Creek) KJB; plus Houston (no date, 6 at Beaver Creek Valley S.P.) OWB.
2003Fall Only report: 8/25 Houston FZL, one day later than the recent median departure date.
2004Spring Located in seven counties in the southeastern quarter of the state. Early south 4/18 Winona JJS, 4/24 Houston FZL. Most northerly reports from Washington (Falls Creek S.N.A.) and Carver (along Minnesota River near Sibley County line).
2004Summer Reported 6/8 Houston BWF, 6/12 Fillmore NBO, 6/27 Winona DAB, Pine (early July) fide AXH.
2004Fall No reports.
2005Spring Early south (median 4/24) 4/9 Winona PWP, 4/14 Houston (4) OWB, 4/17 Fillmore (2) JWH, 4/21 Winona JJS; also reported from Chisago (5/14 JJS, HHD), Olmsted, Rice, Waseca, Washington (Falls Creek S.N.A.). Only north report 5/10–15 Clay (Felton Prairie) †RHO, BWF, JMJ, SAS, †PHS, DPJ (The Loon 77:259).
2005Summer Observed 6/3 Rice TFB, 6/7 Blue Earth ChH, 7/5 Houston NBO.
2005Fall No reports.
2006Spring Early south 4/9 Winona JJS, JWH, 4/15 Rice TFB, 4/21 Houston FZL, and 4/23 Rice DAB (same location?) all preceded the recent median arrival (4/24). Additional south reports from Fillmore, Olmsted, Waseca, Blue Earth, Hennepin.
2006Summer Reported from five counties: Scott, Rice, Blue Earth, Fillmore, Houston.
2006Fall No reports.
2007Spring18 Early south 4/14 Winona PWP, 4/22 Blue Earth LS and Winona JWH were ahead of the 4/23 median. First county record 5/12 Renville (Beaver Falls C.P.) †JCC. Also reported from Hennepin, Nicollet, Rice, Olmsted, Houston. Only north report: 5/19 Pine (Banning S.P.) JCy.
2007Summer4 All reports: 6/1 Houston NBO, 6/17 Blue Earth, Nicollet BJU, 6/18 Fillmore JWH, 6/23 Blue Earth RMD.
2007Fall No reports.
2008Spring9 Early south reports 4/29 Olmsted JWH, 5/2 Rice TFB, 5/5 Olmsted HHD well after 4/22 median. No north reports.
2008Summer4 Observed 6/1 Rice DAB, JWH, Washington (2) DFN, 6/6 Winona JCC, 6/7 Sibley DBM.
2008Fall No reports.
2009Spring7 Early south (median 4/22) 4/24 Rice (3, Cannon River W.P.) DAB, 4/26 Winona DBz. No north reports. Also 5/9 Hennepin (Old Cedar Ave. Bridge) WW.
2009Summer13 Only north report: 6/13 Pine (Banning S.P., Lower Hell's Gate Trail along Kettle River) †JCy. South reports from Chisago, Washington, Fillmore.
2009Fall1 Only one report: 8/2 Washington DBM.
2010Spring110 Early south arrivals were well ahead of the 4/23 median: 4/9 Houston (2, Beaver Creek Valley S.P.) NBO, 4/18 Houston DBz, Rice (3) DAB. One West-central report 5/9 Lac qui Parle (Lac qui Parle C.P.) ph. BJU. Only north reports (median 5/13) 4/29 Pine (Banning S.P.) SC, 5/1 Pine (Chengwatana S.F., on Pine/Chisago county border) PEB. High counts 4/18 Rice (3) DAB, 5/1 Rice (3, Cannon River, Faribault to Northfield) SLP.
2010Summer2 Found 6/21 Chisago (Franconia S.N.A.) MJB, 7/30 Washington (Otisville-Fitz) JoF.
2010Fall2 Only two reports, both south: 8/2 Houston SC, 8/24 Rice TFB (median late 8/25).
2011Spring11 Early south (median 4/23) 4/17 Rice DAB, 4/23 Washington (Falls Creek S.N.A.) DFN, Winona DBz. No north reports. New county record 5/13 Lyon (Camden S.P.) WCM. Also unusual was one 5/9 Lac qui Parle (Lac qui Parle C.P.) ph. BJU. High count 4/25 Houston (7, Beaver Creek Valley S.P.) DWK.
2011Summer4Found in Chisago, Goodhue, Houston, Washington. High count 7/2 Washington (4, Falls Creek S.N.A.) PSm.
2011Fall2 All south 8/3 Washington (Falls Creek S.N.A.) KMo, 8/10 Fillmore SC, 8/13 Washington (Falls Creek S.N.A.) PJM.
2012Spring9 Early south arrivals were well before the 4/23 median: 4/8 Rice (Cannon River Wilderness Park) DAB, 4/12 Rice TFB, 4/14 Washington (Falls Creek S.N.A.) DFN. Unusual record 5/2 Freeborn AEB.
2012Summer4 Observed in Chisago, Houston, Washington, Winona.
2012Fall2 All south 8/3 Washington JoF, 8/8 Washington FGo, 8/9 Washington JoF, 8/15 Washington RMa, 8/30 Dakota MaB, 8/31 Dakota CTa (median 8/22).
2013Spring9 Early south (median 4/23) 4/13 Rice DAB, 4/27 Steele PSu, 4/28 Washington DFN. High counts 5/11 Winona (4, Whitewater S.P.) DCZ, 5/25 Houston (4) CRM.
2013Summer2 Found in Washington, and Winona.
2013Fall1 Only two reports, both from Beaver Creek Valley S.P., Houston County: 8/10 RMD, 8/31 HCT (median 8/22).
2014Spring9Early south (median 4/23) 4/15 Washington BDo, 4/26 Fillmore CEg, 5/2 Houston (2) ANy, DBz.
2014Summer3Found in Chisago, Washington, Winona.
2014Fall1 Two reports, both from Otisville in Washington 8/11, 8/13 JoF.
2015Spring10 Early south (median 4/23) 4/21 Winona DBz, 4/29 Rice TFB, 4/30 Rice RBW. High counts 5/3 Houston (5, Beaver Creek Valley S.P.) SHk, 5/2 Winona (4, Trout Run Trail, Whitewater S.P.) JWH. Reports outside usual range: 5/2–5/20 Anoka (Rice Creek) CF, m.ob., 5/7 Carver (Rapids Lake, Minnesota Valley N.W.R.) JCy.
2015Summer13 Found in Houston, Pine, Washington, Winona.
2015Fall1 Only report of this early migrant 9/17 Chisago CRM (median 8/24).
2016Spring7 Early south (median 4/17) 4/16 Houston (Beaver Creek Valley S.P.) JoP, 4/17 Carver (Minnesota Valley N.W.R., Rapids Lake) JCy, Washington (Falls Creek S.N.A.) DFN, Winona (Whitewater S.P.) DWK, DBz, JPr.
2016Summer4 Found in Chisago, Houston, Washington, Winona.
2016Fall3 All reports of this early fall migrant: 8/6 Washington (Falls Creek S.N.A.) BDo, 8/10 Winona (Trout Run Creek Trail) HCT, 8/21 Chisago (Checkerboard C.P.) RdC (median 8/25).
2017Spring211 Early south (median 4/17) 4/9–10 Ramsey (Sarita Wetland) †AHn, RMD, Winona (Whitewater S.P.) JHD, 4/12 Rice TFB, 4/18 Washington (Falls Creek S.N.A.) BDo. First county record 4/30 Chippewa (Englebritzon Boat Launch) †SWe. North reports 4/13 Kanabec (near Mora) ph. AyC and 5/25 Pine (Snake River) KrM.
2017Summer17 Found in Brown, Chisago, Fillmore, Hennepin, Houston, Pine, Rice, Washington.
2017Fall1 Only reports 8/4 Washington FGo, 8/5 Washington (Crystal Spring S.N.A.) SOa, 8/12 Washington (Otisville) MBw.
2018Spring12 Reported from its usual range from East-central and Southeast counties. Early south (median 4/17) 4/16 Dakota (Miesville Ravine P.R.) KDS, 4/21 Hennepin (Ninemile Creek) ph. MZa, 4/26 Winona JmP, JPr, 4/28 Washington ebd. Reported outside usual range 5/11 Wright (Monticello Twp.) Ish, EzH, CbH.
2018Summer4 Found in Chisago, Hennepin, Houston, Washington. High count 6/26 Houston (5, Beaver Creek Valley S.P.) ASu, LiH, IsH, EzH.
2018Fall3 Only reports 8/3 Chisago (Lawrence Creek S.N.A.) LiH, 8/11 Houston (Beaver Creek Valley S.P.) ebd, 8/12–16 Washington (Otisville) JoF.
2019Spring110 Reported from its usual range of East-central and Southeast counties. Early south (median 4/17) 4/18 Ramsey LiH, 4/19 Rice TFB, 4/24 Houston MJk, ToM, Winona SPS, 4/26 Fillmore SPS. Only north report 5/9 Pine (Banning S.P.) ebd.
2019Summer7 Reported along the eastern edge of the state from Chisago, Fillmore, Goodhue, Houston, Olmsted, Washington, Winona.
2019Fall1 Only report 8/4 Houston (Beaver Creek Valley S.P.) SMl.
2020Spring11 Early south (median 4/16) 4/26 Fillmore ToM, 4/30 Houston KEm, SHo, 5/1 Washington FFa, MaJ, Winona ToM. High count 5/14 Houston (4, Beaver Creek Valley S.P.) RLF, REn.
2020Summer15 Found in Chisago, Houston, Olmsted, Pine (Banning S.P.), Wabasha, Washington
2020Fall3 All reports of our earliest-departing warbler (median late south 8/23): 8/3 Washington (Crystal Spring S.N.A.) DFe, 8/6 Chisago (Lawrence Creek S.N.A.) AaL, CLu, plus new fall record 9/2 Nicollet (Seven Mile Creek C.P.) †NSg.
2021Spring11 Confined to southeastern quarter; more than half of counties bordered Iowa or Wisconsin. Early south (median 4/16) 4/10 Houston REn, RLF, 4/11 Olmsted JmP, JPr, 4/17 Fillmore LHl, Olmsted MiD. Maximum tally was two birds.
2021Summer6 Reported from Blue Earth, Chisago, Fillmore, Houston, Washington, Winona.
2021Fall2 All reports 8/26–31 Ramsey (Sucker Lake) †EzH, MWS, m.ob., 8/16–18 Winona (2–3 birds, Coolridge Creek A.M.A.) ToM, EHi.
2022Spring210 Record early south (median 4/17) 4/4–17 Winona (Coolridge Creek A.M.A.) ph. ToM, DBz, then 4/17 Olmsted MiD, 4/19 Washington DFN. Two north reports: 5/10 Pine ebd, 5/13 St. Louis (Park Point) †PHS. High counts 5/10 Houston (8, Beaver Creek Valley S.P.) PEJ, DFN, 5/1, 5/29 Winona (4, Coolridge Creek A.M.A.) ToM.
2022Summer5 Found in Blue Earth, Chisago, Olmsted, Washington, Winona.
2022Fall First fall season with no reports since 2008.
 
 Breeds locally southeast, east-central, and south-central. State designation: Special Concern.

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.