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
Cerulean Warbler(Setophaga cerulea)
YearSeasonNS
1934Summer One of the season's most unexpected discoveries was ronde by Prosser when he found a number of Cerulean Warblers nesting ncar Linwood, Anoka County. Details will be presented in a separate article at a later date. The reported nests were June 13th, nest and 1 egg (Prosser); June 20th, nest with 2 eegs and one large young (soe list of observers under BOB-WHITE); Juno 24thi building (Hilton Thompson nnd Prosser); and June 27th, feeding young in nest (Douglas Campbell and Prosser). P. 49
1935Summer Prosser, who created quite a ~uror last year by finding the first Minnesota nests of this species and. the Ajawah Camp Scouts at Linwood Lu.l{e saw a young bird out of the nest but unable to fly being fed. The date was July 4th.
1962SpringMay 4 Hennepin Co., Bob Janssen; May 16 Vasa, Goodhue Co., several seen and heard, W R. Pieper and R. Huber.
1963SpringMay 4, Vasa, Goodhue Co., one seen, one heard, Avifaunal Club.
1963SummerGoodhue Co., Vasa, Aug. 10, pair with 3y out of nest, D. Pearson.
1964Spring5-13 Collegeville, Stearns Co, "1 remarkable influx" there on 5-16, v;hen 14 singing males noted, RPR & EAR; 5-13 Goodhue Co, MAS.
1964Summer6-14, Goodhue Co, RG, RLH; all summer, Anoka Co, DP, RG, JW, RLH.
1966Spring5-16 Washington Co, WWL; 5-18 Stearns Co, NMH; 5-21 Collegeville, RPR; 5-22 Stearns Co, NMH; 5-22 Goodhue Co, DB, EMB; 5-25 Collegeville, 16, RPR; 5-30 Vasa, EHH.
1966Summernested at Vasa, Good hue Co, as usual; also reported from Rice, Stearns and Crow Wing (6-14 to 6-27, MSB; 7-11, NR) Co's. (See Notes of Interest)
1967Springearly 5-17 Rice Co., OAR; 5-18 Goodhue Co., EWJ; 5-19 Stearns Co., RPR.
1967Summerreported from Houston, Goodhue, Mahnomen (see Notes of Interest in previous issue) Co's.
1968Spring early 5-11 Houston Co., DB, KP, FL; 5-12 Houston Co., VL, ELC, RLH, GNR, Minneapolis, RBJ; 5-14 Stearns Co., KE, Goodhue Co., FN/ MAS, EHH, Becker Co., LJK; one southwesterly record, 5-28 Mt. Lake, Cottonwood Co., LAF.
1968Summer 6-2 Franconia, Chisago Co, 2 singing, WHL; 6-3 Grand Lake, Stearns Co, 2 singing, NMH.
1968Fall8-20 Goodhue BL.
1969Spring5-14 Houston Co., FL, and Goodhue Co., DB, WKE, FN I MAS; 5-15 Winona Co., BT, and Goodhue Co., JH, RDT.
1969Summer6-2 Wright Co. DB; also reported from Houston Co.
1970Spring6 reports EB; 5-12 Goodhue WL; 5-16 Houston FL and Goodhue BDC; 5-18 Winona TV; 5-22 Stearns (5) KE, PE.
1970Summerreported from Stearns (Collegeville), Houston (Beaver Creek), Goodhue (Vasa), Winona, and Washington Co's.
1971Springearly south 5-13 Winona TV and Houston FL and Goodhue DB FN WKE-5-15 Stearns KE, PE, RR; peak 5-17 Goodh'ue (lOJ FN.
1971Summerreported from Goodhue, Chisago and Pope (6·6 Starbuck, J. Hart). The Loon
1971Fall8-22 Wright (2) KG, only report.
1972Summerseen in Ramsey (6·3 T. Soulen), Washington, Rice (Nerstrand Woods).
1973Summer Nested in Anoka; seen in Morrison, Stearns, Ramsey, Nicollet, Goodhue, Houston.
1973Fall Seen in Anoka and Nicollet.
1974Spring Early south 5-11 Hennepin PCHS; 5-16 Houston FL; also reported from Goodhue, Stearns, Winona, Anoka and Becker (5-18 (1) TRS). Blackburnian Wa,rbler Early south 5-9 Wabasha JF; 5-10 Mower DS; 5 reports on 5-11; early north 5-14 Pine ML; 5-16 Mille Lacs MI; 3 reports on 5-21; late south 5-30 Hennepin VL; 6-2 Houston KE.
1974Summer Reported from Stearns, Goodhue, Rice, Nicollet, Winona, Houston, Fillmore; also 6-3 Todd (RJ).
1975Spring Early south 4-24 Hennepin JC, earli est date on record; 5-10 Washington (2) REH; 5-12 Goodhue (1) DB; 5-13 Goodhue (4) BDC, VRL; also reported from Stearns, Houston, Olmsted, Fillmore Co's.
1975Summer Nested in Goodhue; also reported from Stearns, Sherburne, Wright and Houston.
1976Spring Early south 5-13 Goodhue BDC; 3 reports on 5-14; also reported from Sherburne, Stearns, Hennepin, Houston, Dakota, Fillmore.
1976Summerreported from Chisago, Washington, Goodhue, Winona, Houston and Fillmore.
1977Spring Early south 5-6 Houston FL and Goodhue DB, LH; also reported from Hennepin, Carver, Stearns and Winona Co's.
1977Summer Reported from Chisago, Goodhue, Olmsted, Fillmore, Winona and Houston.
1978Spring 1 report out of usual range 5-20 Otter Tail GO, GW.
1978Summer Seen in Goodhue and Houston.
1979Spring Four reports: 5-20 Mower RRK, 5-21 Houston EMF, 5-25 Olmsted JSD, JF.
1979Summer Seen in Houston, Wabasha, Goodhue, Anoka, Chisago (Co. Hwy. 16), Stearns (Grand Lake), Otter Tail (Ma- plewood SP, Long Lake). Blackburnian Wa·rbler Breeding reported from Lake, St. Louis; also seen in Cook, Carlton, Itasca, Beltrami, Clearwater, Becker (Tamarack NWR).
1980Spring Early south 5-16 Dakota KG. Nine additional reports from the following counties: Anoka, Goodhue, Hennepin, Nicollet, Olmsted and Stearns. Bla~kburnian Warbler Early south 5-4 Anoka KL, 5-10 Hennepin SC, Meeker JM, Murray RJ, Wabasha OJ; early north 5-15 Lake SW, 5-16 Crow Wing RH, St. Louis JG, TH; late south 5-21 Sherburne EH, 522 Olmsted JB. Winter 1980
1980Summer Breeding reported from Otter Tail (SM), Olmsted; also seen in Stearns, Anoka, Houston. Blackburnian Wa1rbler Breeding reported from Clearwater; also seen throughout the Northeast and North Central Regions plus Becker (Green Water Lake), Pine (Kettle River NA).
1981Spring Early south 5-10 Houston JPIAM, KE, 5-15 Houston SM, 5-16 Anoka KL, Goodhue RR.
1981Summer Seen in Houston, Fillmore, Winona, Olmsted, Rice, TODD (Turtle Creek Twp., DB).
1981Fall One report: 8-13 Winona CMB. 
1982Spring Early south 5-5 Wabasha DWM, 5-8 Hennepin OJ, 5-9 Goodhue SC; one report north 5-31 Otter Tail SDM.
1982Summer Breeding data from Hennepin. Also seen in Olmsted, Houston.
1983Spring Early south 5/15 Hennepin SC, 5/18 Hennepin ES, 5/20 Hennepin DB; one report north 5/30 Otter Tail SDM.
1983Summer Seen in Houston, Fillmore, Goodhue, Hennepin, Wright, Isanti, Ottertail.
1984Spring Early south 5/10 Mower DGS, 5/12 Rice PL, 5/13 Dakota JD, 5/16 Houston JPIAM; only north report 5/19 Douglas RJ.
1984SummerSeen in Fillmore, Nicollet and Scott.
1984Fall Only report 9/1 Nicollet RJ.
1985Spring Reported from nine counties; early south Olmsted 5/6 AP, 5/8 RE, 51 I 0 JEB, 5/8 Le Sueur RJ, 51 II Goodhue SSt.
1985Summer Nested in Scott (RJ). Also seen in Houston, Winona, Dakota, Sibley, Nicollet, Brown (Flandrau State Park, female on 6/2, singing male until 6/23, JSp).
1986Spring Reported from 11 counties; early south 4/30 Goodhue RJ, 5/8 Fillmore AMP, 5/10 Mower RRK, 5/11 Dakota JD, 5/12 Olmsted RE, Stearns NH.
1986Summer Probable nesting in Ramsey. Also seen in Mille Lacs, Scott. Houston.
1986Fall Two reports: 8/15 Goodhue BL and 8/30 Redwood RJ.
1987Spring Early south 5/9 Winona JB, RSE, 5/10 Ramsey KB and Goodhue TBB, 5/12 LeSueur GS, 5/14 Nicollet MF, MT, only report north 5/29 Mille Lacs SC.
1987Summer Nested in Brown (JSp). Also seen in Steams, Scott, Nicollet, Fillmore, Houston.
1988Spring Early south 5/5 Goodhue TT, 5/7 Scott TT, 5/10 Olmsted JEB, BSE.
1988Summer Relatively few reports: nested in Scott; also seen in Steams, Houston.
1989Spring Early south 5/13 Goodhue AB, 5/15 Dakota JD, 5/18 Steele KV; also reported from Brown, Houston and Stearns.
1989Summer Seen in Ramsey, Scott, Dakota, Brown, Wabasha, Fillmore, Houston.
1989Fall All reports: 8/22-23 Brown JS, 8/3 0 Redwood RJ.
1990Spring Early south 5/8 Hennepin SC, 5!12 Dakota JD and Scott AB, 5!13 Brown JSp and Goodhue KE; one north report 5/22-31 Otter Tail (four locations) SDM.
1990Summer Seen in Houston, Goodhue, Rice, Scott, Brown, Otter Tail SDM.
1991Spring Early south 5/6 LeSueur MTS, 5/7 Olmsted AP, 5/11 Fillmore GMD, Goodhue mob and Lyon HK; one north report 5/U (earliest date on record) Otter Tail SDM.
1991Summer Seen in Brown, Washington, Dakota, Goodhue, Houston.
1991Fall One report: 8/11 Brown JS.
1992Spring Early south 5/9 Hennepin TT, Houston DN, 5/10 Goodhue DZ, 5/11 Olmsted JB, Rice TB; one north report 5/17 Otter Tail SDM.
1992Summer Probable breeding in Ramsey; also seen in Morrison, Wright, Washington, Scott, Dakota, Rice, Brown.
1992Fall All reports: 8/7 Nicollet DM, 8/10 Ramsey KB, 8/24 Brown JS.
1993Spring Early south 5/6 Hennepin OJ, 5/7 Anoka KB, 5/8 Redwood KE, Rice TB and Winona CS. One north report 5/9 Otter Tail County CS/KC.
1993Summer Probable nesting in Brown, Nicollet. Also seen in Winona, Scott, Hennepin, Anoka; plus 6/1–8 Otter Tail CS/KC.
1993Fall All reports: 8/8 Becker (one) fide BBe, 8/13–27 Rice TB.
1994Spring Early south 5/7 Houston MH, 5/11 Olmsted JBo, JSt and Winona CS, 5/12 Brown JS; one north report 5/15 Otter Tail SDM.
1994Summer Most reports in 14+ years. Nested in Winona HVA; probable nesting in Nicollet. Also observed in Anoka, Scott, Dakota, Rice, Goodhue, Brown; plus a pair possibly nesting at Sibley S.P. in Kandiyohi Co. RF et al., two singing males on 6/26 in Otter Tail Co. SDM, and a mid-summer sighting on 6/25 in Rock Co. ND (The Loon 66:154).
1994Fall 8/5 Nicollet RJ, 8/26 Winona CS.
1995Spring Early south 5/8 Ramsey TT, 5/9 Rice TB, 5/11 Winona CS; two north reports 5/24–31 Becker BBe, 5/29 Otter Tail SDM.
1995Summer Most reports in 15+ years (over double the usual number); range appears to be expanding toward northwest. Probable nesting in Houston; eight territorial males found at Murphy-Hanrahan Park in Scott and Dakota County. Also observed in Winona, Goodhue, Rice, Nicollet, Brown, Ramsey, Anoka, Kandiyohi, Stearns; plus 6/4–5 Otter Tail, 6/5–8 Becker (RG, BB), 6/12–18 Clay (Red R. Woods, near Moorhead; RO).
1995Fall No reports.
1996Spring Early south 5/18 Freeborn ABa and Scott DN, 5/22 Brown JSp; no reports north.
1996Summer Reported in Hennepin, Ramsey, Scott, Brown, Nicollet, Rice, Olmsted, Winona, Fillmore.
1996Fall Only report 9/4 (latest date on record) Goodhue MF (details requested).
1997Spring All reports: 5/16 Washington DS, 5/18 Nicollet and Scott DN, 5/21–24 Nicollet mob; 5/24 Freeborn ABa, Scott BF, Rice JL, and Anoka (2) DZ; 5/30 Wright (2) DZ. Twelve nesting territories reported at Murphy-Hanrahan Park (Dakota and Scott Co.) BF.
1997Summer Probable nesting in Nicollet; also observed in Becker, Otter Tail, Morrison, Anoka, Scott, Dakota, Rice, Winona.
1997Fall No reports.
1998Spring Early south 5/11 Olmsted CK, 5/15 Scott (6) BSe, 5/16 Nicollet. Also seen in Brown, Chisago, Houston, and Rice. No reports north.
1998Summer Observed in Anoka, Washington, Brown, Nicollet, Rice, Houston.
1998Fall No reports, same as last fall.
1999Spring More reports than last spring. Arrived south exactly on the recent median arrival date (5/8) in Rice TBo and Goodhue (Hok-si-la Park) DN. Unusual location 5/11 Meeker DF. Peak count 5/16 Scott (6 at Murphy-Hanrahan Park) DN. Also reported within usual range from Nicollet (Seven Mile Creek), Carver (Carver Park), Hennepin, Chisago, Goodhue (Cannon R.), Olmsted, Fillmore, Houston.
1999Summer Seen in Hennepin, Carver, Scott, Dakota, Rice, Olmsted, Houston.
1999Fall No reports.
2000Spring Reported in low numbers from nine south counties. All south reports: 5/4+ Rice (location?) TBo, 5/4 Hennepin (Old Cedar Ave.) SC, 5/7+ Scott (max. 3 at Murphy-Hanrahan Park) SL et al., 5/11+ Houston (max. 4 at Beaver Creek Valley S. P.) AH, PS et al., 5/12 Carver WM and Washington DS, 5/13
2000Summer Seen in Brown, Nicollet, Washington, Fillmore, and Houston.
2000Fall No reports.
2001Spring Reported in low numbers from seven south counties: 5/1+ Scott/Dakota (Murphy-Hanrehan Park) CMM, mob, 5/6+ Houston (Beaver Creek Valley S.P.) GLS et al., 5/12+ Goodhue (Frontenac S.P.) CRM, DFN, 5/14 Rice TFB, JJS, 5/15 Hennepin (Elm Creek Park) SLC, 5/20 Goodhue (Red Wing) KJB and Rock (male at Blue Mounds S.P.) BRL. Only north reports: 5/19+ Becker (TNWR) mob, 5/26 Otter Tail SPM, DKM.
2001Summer Possible nesting in Becker (female carrying nesting material) DDM, BJM. Also observed in Nicollet, Rice, Goodhue, Olmsted, Fillmore, Houston; plus 15 known pairs at Murphy-Hanrehan Park in Scott and Dakota counties BAF.
2001Fall No reports.
2002Spring Seen in 11 south counties. Early south 5/5+ Scott (max. 5 at Murphy-Hanrehan) DWK, m.ob, 5/8+ Houston (max. 3 at Beaver Creek Valley S.P.) GLS et al. All other reports: 5/12 Sherburne (L. Ann) ADB, 5/13 Freeborn AEB, 5/13–14 Mower (Austin) m.ob, 5/22 Rice (Cannon R. Wilderness) TFB, 5/23 Anoka (Linwood L.) KJB, 5/23 Dakota (female at Schaar's Bluff) TAT, 5/23 Hennepin (female at Cedar L.) SLC, 5/25 Rice (L. Sakatah S.P.) DAB, 5/26 Nicollet (Seven Mile Creek C.P.) PH, 5/27 Wright (8 at Lake Maria S.P.) HHD.
2002Summer Most reports since 1995. Seen in 11 counties within normal range, as far north as Mille Lacs; plus 6/6–22 Pope M.C.B.S., 6/9 Otter Tail SPM, 6/15 Kandiyohi (Sibley S.P.) DFN.
2002Fall No reports.
2003Spring Observed in ten south counties beginning 5/8 Scott CMM (same as median), 5/10 Blue Earth and Nicollet ChH; also reported from Dakota, Freeborn, Goodhue, Houston, Rice, Washington, Wright. One north report: 5/21 Otter Tail (2 at Folden W.M.A.) EJE.
2003Summer Reported in Anoka, Hennepin, Carver, Scott, Dakota, Nicollet; plus 6/13 Stearns (St. Joseph Twp.) PCC, 6/23–30 Lyon (male singing at Camden S.P.) RJS. Peak count Scott and Dakota (12 territories at Murphy-Hanrehan P.R.) BAF.
2003Fall No reports.
2004Spring Early south 5/8 Hennepin (Bryant Lake Park) HCT, 5/10 Rice TFB. Also found in Carver (Carver P.R.), Houston (Beaver Valley Creek S.P.), Nicollet (Seven Mile Creek C.P.), Scott (Murphy-Hanrehan P.R.), Stearns (Collegeville), Steele (Rice Lake S.P.), and Wright (Lake Maria S.P.).
2004Summer Numbers down (9 territories) at Murphy-Hanrehan P.R., Dakota/Scott BAF. Also seen in Becker, Otter Tail, Todd, Nicollet, Winona, Ramsey, Anoka, Chisago, Wright.
2004Fall A male and female reported from Sakatah Lake S.P., 9/6 Le Sueur WCM was the first fall record since 1996.
2005Spring Early south 5/6 Scott WCM, 5/7 Olmsted LAV (median 5/8). Also reported from Rice, Nicollet, Brown, Meeker (5/21 Darwin-Dassel Park, DMF), Stearns (5/21, RPR, HHD), Houston, Fillmore, Dakota, Chisago (5/21 along CR 16, 1.0 mile S of CR 71, ABi, REH), and Anoka (5/29 at Carlos Avery W.M.A., JHi).
2005Summer Same number of territories (9) as last year at Murphy-Hanrehan P.R., Scott/Dakota BAF. Also seen in Anoka, Goodhue, Rice, Le Sueur, Nicollet, Renville, Otter Tail.
2005Fall Only report: 8/13 Lac qui Parle (male in Cerro Gordo Twp.) †BJU.
2006Spring Early south 5/4 Fillmore NBO, with subsequent reports from Houston, Rice, Le Sueur, Nicollet, Sibley, Scott, and Wright; in addition, a male discovered 5/15 Yellow Medicine (Upper Sioux Agency S.P.) WCM was refound 5/25+ (ph. DAC, RBJ). Only north report: one female at Lighthouse Point in Two Harbors, 5/4 Lake ph. †JWL, SLL (also a first record for the Northeast region).
2006Summer Found in 14 counties, 12 south plus Otter Tail, Todd. Unusual location 6/6 Yellow Medicine (singing male from spring still present at Upper Sioux Agency S.P.) BJU.
2006Fall No reports.
2007Spring114 Early south 5/1 Olmsted JWH, 5/6 Goodhue JWH, 5/9 Rice TFB (median 5/8). Only north report: 5/15 Todd (Oak Ridge W.M.A.) BWF, RLE, RAE, CAS, JJS (median 5/19). High count 5/13 Rice (6) DAB.
2007Summer27 New county records: 6/1 Koochiching (Bill Counters PWA on the Big Fork River along Highway 6) RBW, 6/15 Carlton (North Fork of the Nemadji River at County Road 103) RBW. Also seen in Sibley, Scott, Dakota, Brown, Rice, Wabasha, Houston.
2007Fall3 All reports: 8/12 Sibley (Rush River C.P.) JCC, RBW, 9/1 Dakota (immature female) ADS, 9/2 Goodhue SWe (median late south 8/27).
2008Spring15 Early south (median 5/7) 5/4 Dakota JLO, 5/6 Hennepin (Wood Lake N.C.) CMB, 5/10 Meeker (Woodland Park) DMF.
2008Summer14 Reported from Stearns, Wright, Carver, Sibley, Scott, Hennepin, Dakota, Brown, Nicollet, Le Sueur, Rice, Blue Earth, Winona, Houston.
2008Fall No reports.
2009Spring117 Early south (median 5/7) 5/5–7 Rice TFB, 5/8 Sibley (Rush River C.P.) WCM, 5/9 Le Sueur DAB. Only north report 5/27 Grant (singing male at Tipsinah Mounds Park) PHS. No counts of more than three individuals.
2009Summer13 All reports: Stearns, Sherburne, Wright, Sibley, Carver, Scott, Dakota, Brown, Nicollet (adults observed with recently fledged young, WCM), Rice, Steele, Goodhue, Fillmore.
2009Fall3 All reports 8/3 Rice TFB, Sherburne (Sherburne N.W.R.) ASc, 8/23 Dakota (2) LEC, SWe, 9/2 Rice TFB (median 8/29).
2010Spring111 Early south (median 5/7) 5/6 Houston (Beaver Creek Valley S.P.) NBO, 5/8 Rice TFB, 5/9 Hennepin CMB. Only north report 5/23 Morrison FGo. High count 5/30 Hennepin (3, Elm Creek P.R.) RLR.
2010Summer114 Reported from the southeastern quarter of the state.
2010Fall15 Only north report 8/20 Douglas JPE. All south 8/16 Goodhue LS, 8/18 Sherburne ASc, 8/19 Sibley RBW, 8/28 Carver JCy, 9/6 Hennepin (Minnehaha Creek) TAT median 8/29.
2011Spring110 Early south (median 5/7) 5/7 Goodhue MDe, BNW, 5/8 Goodhue LEC, 5/10 Brown BTS, Rice TFB, 5/11 Olmsted JWH, JPr, Wright HCT. One north report 5/21 Douglas (Lake Irene) JPE. High count 5/21 Houston (9 on territories at Beaver Creek Valley S.P.) AXH.
2011Summer19Found in East-central, Central, Southeast, South-central.
2011Fall2 Reported from Miesville Ravine in Dakota 8/21–27 SWe, m.ob. and 9/2 Hennepin (imm. female at Cedar Lake) †SLC.
2012Spring213 Early south (median 5/7) 5/2 Rice TFB, 5/5 Rice (4, high count) DAB, 5/9 Le Sueur (Sakatah S.P.) RBW, 5/10 Sherburne ASc, 5/11 Scott (male, Murphy-Hanrehan P.R., north trails) BAF, SHF, 5/12 Brown (male, extreme northwest corner of county) BTS, MiO. All north 4/28 Morrison TMu, 5/17 Mille Lacs (male, Mille Lacs Kathio S.P.) ASc, JFR, GHo, KSm. Unusual Southwest record 5/16 Lyon (2 singing, Garvin C.P.) BWF.
2012Summer213 Observed in scattered locations in all central and southern regions. New county record 6/16 Pine (T40R20b) NRRI. Unusual location 6/15 Lyon (Garvin C.P., first found 5/17) RAE. High counts 6/23 Houston (5, Beaver Creek Valley S.P.) DSt, 6/24 Scott (3, Murphy-Hanrehan P.R.) BAF.
2012Fall No reports.
2013Spring215 Early south (median 5/7) 5/5 Hennepin (Elm Creek P. R.) TLo, 5/13 Houston JEB, Olmsted SWs, Ramsey (Crosby Farm R.P.) SeH, Rice TFB, 5/14 Hennepin (Wood Lake N.C.) DWK, Wright (Lake Maria S.P.) RLR. All north 5/25 Morrison FGo, 5/26 Otter Tail JSe.
2013Summer116 Observed in Central, East-central (including Pine), and all southern regions. Unusual location 7/4–12 Lyon (Garvin C.P.) RJS, HHD, CRM.
2013Fall13 Only north report 9/1 Douglas JPE. All south 8/1 Lyon (Garvin Park) RBJ, 8/14, 8/23 Rice TFB, 8/24 Rice DAB, ANy, 8/25 Goodhue BAb, RZi. (median 8/30).
2014Spring119Well represented this season beginning with early south (median 5/7) 5/5 Carver MJa, 5/8 Olmsted MHm, 5/9 Fillmore ToM, Renville JEB. Only report away from typical range 5/23 Becker (Tamarac N.W.R., "Historic Old Indian Trail") WCM, PME, m.ob.
2014Summer211Found in all regions except North-central, Northeast, Southwest. Unexpected location 7/11 Mahnomen CRM, KMS.
2014Fall No reports.
2015Spring15 All reports south and east of Stearns, beginning (median 5/7) 5/3 Houston TFo, Winona DBz, 5/5 Rice TFB, 5/8 Carver BAb, Washington PNi.
2015Summer8 Reported from Goodhue, Rice, Scott, Sherburne, Stearns, Washington, Winona, Wright. High count 6/14 Goodhue (8, Collishan Rd. & State Trail) SWe.
2015Fall1 Only report 8/17 Wright (Crow River Preserve) JCn.
2016Spring14 Early south (median 5/6) 5/7 Goodhue (Hok-Si-La Park) KeA, SWe, Rice DAB, (Cannon River Wilderness Area) GBa, 5/8 Scott (Murphy-Hanrehan P.R.) TLg, 5/10 Le Sueur (Sakatah S.P.) BAb. One out-of-range occurrence: 5/15 Lyon GWe. No notable high counts.
2016Summer10 Reported from Brown, Carver, Dakota, Goodhue, Houston, Le Sueur, Scott, Stearns, Washington, Wright. High count 6/12 Goodhue (6, Collishan Rd. and State Trail) SWe. First county breeding record 6/29 Houston KnM.
2016Fall1 Only report 8/6 Meeker (Lake Stella) ph. LWz.
2017Spring14 Reported from its typical range in the southeastern quarter of the state beginning (median 5/6) 5/5 Goodhue (Hok-Si-La Park) LiH, 5/9 Houston JuT, SHo, Nicollet (Seven Mile Creek C.P.) STa, 5/10 Carver (Carver P.R.) JWZ, Scott (Murphy-Hanrehan P.R.) BrT. High counts 5/13 Nicollet (5, Seven Mile Creek C.P.) MiO, ChH, KEm, MEm, 5/27 Houston (4) KRE. Furthest northwest reports: 5/16–23 Stearns (St. John's Arboretum) HHD, ANy, DBz and 5/26 Kandiyohi (Robbins Island Park) JWd.
2017Summer9 Observed in Anoka, Goodhue, Houston, Nicollet, Rice, Scott, Stearns, Wabasha, Washington.
2017Fall No reports.
2018Spring115 Reported from a similar number of counties as in past years. Early south (median 5/6) 5/2 Goodhue ChS, 5/5 Houston BDo, ASu, LiH, 5/6 Nicollet ASu, LiH, 5/7 Olmsted LAV. Only north report a nicely described female 5/21 Otter Tail TFu. High counts 5/9 Houston (5, Eagle's Bluff) TFo, 5/16 Nicollet (4, Seven Mile Creek C.P.) STa.
2018Summer13 Found in all regions except northern and western. High count 6/16 Scott (5, Murphy-Hanrehan P.R.) ebd.
2018Fall3 All reports 8/6 Nicollet (Seven Mile Creek C.P.) RBW, 8/19 Scott RBW, 8/21 Nicollet RBW, 8/22 Stearns (Beaver Island Trail) LKo, MKo.
2019Spring14 Reported mostly from its normal range in the southeast along the Mississippi River Valley northwest to Stearns and along the Minnesota River Valley to Nicollet. Early south (median 5/6) 5/4 Goodhue JQn, 5/10 Rice (Nerstrand Big Woods S.P.) ebd, 5/13 Houston SHo, 5/14 Carver (Rapids Lake, Minnesota Valley N.W.R.) JCy, Nicollet (Seven Mile Creek C.P.) RHh.
2019Summer15 Observed in Central, East-central, South-central, Southeast. High counts 6/29 Fillmore (7, Yellow River S.F.) SHk, 6/29 Houston (6, Reno, Hillside Rd.) AGj.
2019Fall2 Only two reports for this uncommon fall species: 8/10–11 Houston (near La Crescent) ebd, 9/6 Chisago (Riverwalk Park) DPG.
2020Spring13 Reported mostly from its normal range in the Southeast and East-central along the Mississippi and St. Croix river valleys, northwest to Stearns and along the Minnesota River Valley to Nicollet. Early south (median 5/5) reported only from Houston County beginning 5/3 FFa, MaJ, m.ob. through 5/14. Then away from Houston 5/14 Goodhue ebd, 5/15 Scott AFo, Washington AJF, Nicollet ChH. High counts 5/12–14 Houston (5, near Reno) m.ob. One report from a less expected location 5/24 Lyon (Camden S.P.) NMe.
2020Summer14 Reported from Central, East-central, South-central, Southeast.
2020Fall5 Highest number of reporting fall counties in a decade. All birds: 8/6–14 Hennepin (Lake Rebecca P.R.) SuH, 8/17 Meeker (near Dassel) PKF, 8/20 Washington (Oakdale N.P.) JDS, 8/21 Houston (Hillside Rd. in Reno) AAz, 9/2 Nicollet (Seven Mile Creek C.P.) NSg (median departure 8/26).
2021Spring15 Reports restricted to the southeastern quarter of the state, ranging from Houston to Stearns. Early south (median 5/5) 5/2–6 Nicollet DWK, StK, 5/3–4 Houston ToM, DSt, 5/6 Dakota MwT. High count 5/17 Houston (13, Hillside Rd., Reno) KWR, CLR.
2021Summer13 Encountered in Central, East-central, South-central, Southeast. Found neither farther north than Wright nor farther west than Nicollet. High count 6/23 Houston (6, Reno, Hillside Rd.) ASu, DvN.
2021Fall1 Only report 9/8 Anoka (Andover) †ebd.
 
 Breeds southeast and 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.