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

Prothonotary Warbler(Protonotaria citrea)
YearSeasonNS
1945Summer11 nests, Washington Co., July 10, Brother Hubert; nest, Washington Co., June 3, William Longley.
1961SpringSeen 13 May in Twin City area by A. C. Rosenwinkel and same day at La Crescent by A vi faunal Club members. Blue-winged and Golden-winged Warblers: Seen in same bush in Whitewater park area on 13 May.
1961SummerDean Honetschlager reports them as summer residents at Marine-on-St. Croix.
1962SpringMay 11 Winona, Hiawatha Valley Bird Club; May 16 Reno, Houston Co., W. R. Pieper and R. Huber.
1963SpringMay 11, Washington Co., D. Honetschlager; May 15, Rice Co., 0. Rul)tad; May 18, La Cres- cent, Houston Co., R. Janssen.
1964Spring5-11 Collegeville, Stearns Co, RPR & EAH; 5-3 La Crescent, BT.
1964Summerbreeding Houston (RLH) and Anoka (FL) Counties.
1965Spring5-8 Frontenac, AEA; 5-11 Goodhue Co, DB and Collegeville, RPR; 5-15 Houston Co, EMB; 5-17 Washington Co, DH; 5-19 Fargo-Moorhead area, many observers (MGA, LWJ, et. al.); 5-28 "abundant" at Winona, KK; northward strays are noteworthy.
1966Spring5-7 Frontenac, BL, Houston, Wabasha, Chisago Co's, EMB; 5-8 Wabasha, DGM and Frontenac, GD, GG, FV; 5-10 Frontenac, EHH, DB; 5-13 Agassiz Refuge, Marshall Co, 2, DLO (awaiting details; extremely northern record); 5-15 Washington Co, DS; 5-15 Frontenac, MIG and Winona, GD, GG, FV; 5-17 Duluth, good description, ME; 5-18 Goodhue Co, EWJ and Washington Co, WWL; two northern records are most interesting.
1966Summerreported from Wabasha, Goodhue and Dakota Co's.
1967Springearly 5-13 Goodhue Co., MIG; 5-14 Goodhue Co., HFH, EMB; 5-18 Winona Co., FV/ HVBC.
1967Summerreported from Houston, Wabasha, Ramsey Co's.
1967Fall 9-3 Lake Harriet, Hennepin Co., 1 female, FN/MAS; this species usually leaves its Minnesota breeding haunts in early August; see Notes of Interest.
1968Spring 5-10 Washington Co., WWL; 5-11 Hennepin Co., TKS and Goodhue Co., AFR; 5-14 Houston Co., FL; 5-14 Goodhue Co., EHH; 5-30 Wabasha Co., DGM.
1968Summer 6-23, pair carrying food to nesting box, Hennepin Co, RBJ.
1969Spring5-9 Houston Co., FL; 5-15 Goodhue Co., FN/ MAS, WKE; 5-17 Swift Co., MHM; 5-28-29 Ramsey Co., MIG.
1969Summer6-24 Hennepin Co. GES, only report.
1970Springonly 4 reports Goodhue JAH (see notes of interest in June issue); 5-3 Rice JAH; 5-7 Houston FL, TV; 5-12 Rice RG.
1970Summernested in WASHINGTON Co. (St. Croix River, 2 ad and 1 y on 7-5, EC.)
1971Springonly 3 reports EJ; 5-13 Houston FL; 5-17 Goodhue FN.
1971Summer6-19 Wabasha WDM, only report; this species seems to be decreasing in numbers lately.
1972Summerseen in Houston, Dakota Chisago (Franconia Twp.). '
1972Fallwas in Anoka Co. on 8-22 (SC). 
1973Summer Nested in Wabasha (6-16 DM); Houston (7-21 RBJ & FL); also seen in Itasca (7-2 BB). Golden-winged' Warbler Breeding cards from Aitkin, Crow Wing, & St. Louis; seen in Hennepin, Washington, Chisago, Mille Lacs, Kanabec, & Cass.
1973Fall One unusual report 9-23 Pope, R. Zink (was this a disoriented migrant, or are there western Minnesota nesting sites?)
1974Spring 5 reports: 5-7 Houston (1) FL; 5-13 Freeborn (1) DG; 5-17 Ramsey (2) BDC; 5-20 Hennepin (1) DB; 5-26 Hennepin (1) FN.
1974Summer Three reports; 6-1 Whitman, Winona Co., three (JF); 6-1 and 7-13 Houston (KE, RJ).
1975Spring 9 reports: 5-6 Henepin (1) RAG, Houston (2) FL; Olmsted (1) JF; 5-10 Washington (1) REH; 5-14 Goodhue (1) ETS; 5-15 Hennepin JC; 5-17 Hennepin DY; 5-22 Rice (1) RDi; 5-27 Goodhue CF.
1975Summer Reported from Goodhue (CF) and Houston (6-17, RJ).
1975Fall8-23 Ramsey GC; 8-30 Washington GC; only reports.
1976Summernested in Houston (JB) where there were also 3 other reports, including a peak of 5 at Reno (KE).
1977Spring 5 reports: 5-3 Houston (1) FL; 5-12 Hennepin ES, WE; 5-14 Goodhue TS; 5-17 Hennepin DB, WE, ES, GSP, VL; 5-29 Houston (7) KE.
1977Summer Nested in Houston; also reported from Winona.
1977Fall Only report from an unusual location 8-24 Morrison (PM).
1978Spring 1 report out of usual range 5-29 Murray AD. 
1978Summer Breeding reported from Hennepm (Roberts Sanctuary); seen also in Houston and Winona.
1979Spring Four reports, 5-8 Anoka KL, 5-12 Ramsey FKB, 5-20 Sherburne JH, 5-22 Freeborn DG.
1979Summer Seen in Houston, Hennepin (Long Meadow Slough, Nine Mile Creek).
1980Spring Four reports, 5-9 Houston GS, 5-11 Goodhue JB, 5-17 Le Sueur MF, Freeborn DG.
1980Summer Seen in Houston.
1981Spring Five reports: 5-10 Houston JP/ AM, 5-14 Blue Earth MF, 5-16 Goodhue RR, Houston SM, 5-21 Houston FL.
1981Summer Breeding data from Wabasha. Seen in Washington (Denwark Twp., BL).
1981Fall One report: 9-23 Houston CMB.
1982Spring Four reports: 5-15 Olmsted BE, 5-20 Ramsey SC, 5-22 Houston DGW, 5-23 Houston RJ.
1982Summer Seen in Houston, Ramsey, Washington, Anoka, Chisago.
1982Fall One report: 8/27 Goodhue BL.
1983Spring Five reports south 5/5 Mower RRK, 51 II Hennepin ES, 5/14 Ramsey SC, 5/15 Olmsted JEB, 5/28 Houston KJ.
1983Summer Seen in Houston, Wabasha, Goodhue, Ramsey (Crosby Lake Pk), Washington (O'Brien SP).
1983Fall One report 8/13 Goodhue RG.
1984Spring All reports 5/8 Winona JH, 5/14 Ramsey SC, RJ, 5/19 Chisago RH, Houston AB, 5/20 Ramsey BL, 5/31 Hennepin DB.
1984Summernested in Ramsey (Pig's Eye L., 4 young -SSt) and Brown (New Ulm, 4 young in nest JS); also seen in Houston.
1984Fall All reports: 8/9 Brown JSp, 8/17 Goodhue BL, 8/28 Houston RJ, 9/3 Goodhue BC, 9/30 Hennepin M. Case (needs details).
1985Spring All reports 51 I Winona JH, 51 II Chisago RH, Goodhue SSt, 5/18 Dakota JD, Goodhue JD, 5/19 Dakota JPIAM, 5/23 Hennepin SC, 5/24 Scott DB.
1985Summer Nested in Brown (New Ulm, JSp). Also seen in Dakota, Goodhue.
1985Fall Two reports: 8/18-8/21 Goodhue DZ, BL.
1986Spring Early south 5/6 Mower JM, 5/7 Dakota JD, 5/8 Dakota TTu.
1986Summer Probable nesting in Houston. Also seen in Ramsey, Dakota, Wabasha, Winona.
1986Fall Late south 9/3 Wabasha WDM, 9/23 Olmsted JB.
1987Spring Early south 5/8 Ramsey SC, 5/10 Brown JS, 5/14 Winona RG.
1987Summer Nested in Brown (Minnecon Park, New Ulm, JSp); probable nesting in Nicollet (Courtland Twp., next to Minnecon Park, JSp). Also seen in Scott, Rice (619, RHo), Goodhue.
1987Fall One report 8/ I thru 8/5 Hubbard JL (needs details).
1988Spring Early south 5/1 Freeborn GS, 5/3 Mower RRK, 5/4 Ramsey AB.
1988Summer Nested in Brown; probable nesting in Chisago. Also seen in Hennepin, Ramsey, Washington, Dakota, Nicollet (6/12-26, JS).
1988Fall Late south 8/1 Hennepin SC, 8/31 Olmsted JB.
1989Spring Early south 5/6 Dakota JD, Goodhue SC, GP, 5/7 Hennepin m.ob.
1989Summer Nested in Brown, Anoka, Nicollet JSp. Also seen in Ramsey, Washington, Goodhue.
1989Fall Late south 8/6 Hennepin PS, 9/5 Winona CS.
1990Spring Early south 4/28 Houston FL, 5/8 LeSueur EK, 5/10 Anoka GP; one report north 5/19 Pope PS.
1990Summer Nested in Brown; probable nesting in Hennepin , Goodhue. Also seen in Le Sueur, Winona, Nicollet, Rice, 6/13,15 Otter Tail SDM.
1990Fall One report 9/2 Winona CS.
1991Spring Early south 5/3 Winona CS, 5/10 Hennepin KB, PB, 5/11 Goodhue EL, DZ.
1991Summer Probable nesting in Winona; also seen in Hennepin, Ramsey, Dakota, Houston.
1991Fall Late south 8/27 Winona CS.
1992Spring Early south 5/2 Hennepin RB, 5/9 Houston DN and Sherburne KR (The Loon 64:170).
1992Summer Nested in Sherburne SNWR (extending known nesting range), Winona HVA; also seen in Hennepin, Carver, Dakota, Houston.
1992Fall Late south 8/27 Winona CS.
1993Spring Early south 4/30 Winona CS, 5/3 Rice TB, 5/6 Hennepin KB.
1993Summer Probable nesting in Ramsey; also seen in Washington, Scott, Winona.
1993Fall Late south 8/21 Hennepin TT, Winona KE, 9/5 Winona ASM.
1994Spring Early south 4/30 Hennepin DZ, 5/3 Winona CS.
1994Summer Many reports; over twice the number of last year. Nested in Hennepin, Nicollet, Winona; probable nesting in Ramsey, Washington. Also seen in Chisago, Dakota, Goodhue, Wabasha, Brown.
1994Fall All reports: 8/5 Nicollet JS, 8/10 Goodhue BL, 9/5 Winona CS.
1995Spring Early south 5/2 Hennepin KB, 5/10 Rice JL, 5/13 Mower RRK and Winona DB, RJ, CS.
1995Summer Probable breeding in Ramsey, Winona, Houston; also seen in Nicollet, Hennepin, Washington.
1995Fall All reports: 8/2 Goodhue KB, 8/30 Winona CS.
1996Spring Early south 5/11 Goodhue DZ, 5/14 Blue Earth MF, 5/15 Goodhue DBo; also (no date) Freeborn ABa, 5/18, 5/29 Fillmore NO.
1996Summer Nested in Houston; probable nesting in Hennepin, Scott, Brown; also observed in Nicollet, Ramsey, Washington, Wabasha, Winona.
1996Fall All reports 8/1 Nicollet JSp, 9/2 Winona CS.
1997Spring Early south 5/9 Goodhue RJ and Olmsted CH, 5/13 Goodhue DZ. No north reports.
1997Summer Probable nesting in Houston; also recorded in Washington, Ramsey, Dakota, Scott, Nicollet, Brown.
1997Fall All reports: 8/10 Scott DN, 8/13 Goodhue KB, 8/24 Winona CB, 9/1 Goodhue BL.
1998Spring Early south 5/9 Hennepin SC, 5/10 Scott ABo, 5/15 Pope SDM. Unusual south report 5/22 Lac qui Parle AH, PS. Only north report 5/20 Todd SDu.
1998Summer Probable nesting in Dakota; also observed in Anoka, Hennepin, Ramsey, Washington, Scott, Nicollet, Brown, Houston.
1998Fall Exceptional north location and first county record 8/29–30 Aitkin WN, CMG. All south reports: 8/1 and 8/6 Hennepin TT, 8/8 Rice TBo, 8/11 Ramsey RJ, 8/12 Dakota KB.
1999Spring More reports than usual. Arrived south on time, where first reported 5/4 Hennepin SC, 5/8 in three counties. Unusual report 5/11 Meeker (Darwin-Dassel Park) DF. Also reported in Brown, Nicollet, Scott, Dakota, Ramsey, Washington, Rice, Goodhue, Winona, Houston. Only north report 5/29 Kanabec CM.
1999Summer Reported in Nicollet, Hennepin, Ramsey, Washington, Scott, Dakota, Goodhue, Winona; plus 7/9 Stearns SWi.
1999Fall Only report: 8/30 Dakota DBS, compared to five last fall.
2000Spring Arrived south 5/4 Hennepin SC, 5/5 Nicollet JSp. First county record 5/7 Kandiyohi (Willmar) RJF. Also reported in Brown, Scott, Rice, Dakota, Goodhue and Houston. No north reports.
2000Summer New nesting record in Washington DDM, BJM; also observed in Ramsey, Hennepin, Dakota, Scott, Le Sueur, Nicollet, and Brown.
2000Fall All reports were in south: 8/10 Dakota (2) ADS, 8/12 Dakota SWe, 8/25 Freeborn RBJ, and 9/2 Dakota ADS.
2001Spring Arrived south 4/30 Rice TFB and Mower RDK, RCK, 5/3 Hennepin SLC. Exceptional location and first county occurrence 5/15 Lake of the Woods (Morris Point) CRM. Also reported south in Nicollet, Dakota, Wabasha.
2001Summer Reported in Hennepin, Ramsey, Washington, Dakota, Le Sueur, Goodhue, Houston.
2001Fall No reports.
2002Spring Early south 4/20 Hennepin †RLR, 5/4 Goodhue OWB and Meeker DMF. First county occurrence 5/11 Steele NFT; also reported from Blue Earth, Dakota, Freeborn, Houston, Le Sueur, Nicollet, Rice. No north reports.
2002Summer Reported in Chisago, Hennepin, Scott, Dakota, Goodhue, Winona.
2002Fall No reports.
2003Spring Observed in ten south counties as far north as Anoka, Carver and Hennepin, and as far west as Freeborn, Le Sueur and Nicollet. Early south 5/10 in four Southeast counties, the date of the NAMC; since 1985, species has arrived later than 5/10 only once.
2003Summer Reported in Hennepin, Carver, Scott, Dakota, Goodhue.
2003Fall August reports from Carver, Dakota and Hennepin, then record-late 9/26 Hennepin †CBr.
2004Spring Found in ten south counties, including early birds 5/8 Mower RDK, RCK and Rice DAB, 5/9 Houston FZL. Also notable were West-central reports: 5/15 Lac qui Parle (Lac qui Parle S.P.) BJU, 5/23 Chippewa (Lac qui Parle W.M.A.) BJU.
2004Summer Lowest number of records since 1981: reported 6/6, 6/14 Hennepin EOr, BWF, 6/7, 6/8 Houston FZL, KTP.
2004Fall No reports.
2005Spring Early south 5/11 Anoka (Kordiak Park in Columbia Heights) fide MLH, 5/13 Houston FZL, 5/14 Hennepin HCT and Ramsey REH, followed by reports from Houston, Dakota, Hennepin, Meeker (5/21, DMF), and Watonwan (5/31, BRB). Only north report: 5/16 Cass (Schoolcraft S.P.) RBJ.
2005Summer Observed 6/1 Ramsey REH, 6/5 Hennepin WCM, 6/11 Carver ChH, 6/20, 7/15 Nicollet RMD, BJU, 7/17 Le Sueur BJU.
2005Fall All reports: third county record 8/13 Lac qui Parle †BJU, 8/18 Goodhue RPR, 8/21 Winona CAS, 8/27 Washington LBF.
2006Spring Early south 5/5 Fillmore ADB (median 5/4), followed by reports beginning 5/13 from Goodhue, Dakota, Ramsey, Hennepin, Le Sueur. Only north report: second county record 5/16 Polk (Maple Lake area) ph. BDF.
2006Summer Found in Hen-nepin, Ramsey, Carver, Scott, Le Sueur, Houston.
2006Fall All reports: 8/13, 8/23 Dakota LEC, 9/4 Anoka CMa.
2007Spring8 Early south 5/7 Hennepin (Fort Snelling S.P.) CMB, 5/9 Washington JMP, 5/12 Goodhue JJS. Scarce; other than multiple reports from Hennepin and Goodhue, only single reports from Meeker, Washingon, Dakota, Ramsey, Washington, Winona.
2007Summer7 Observed in Sherburne, Hennepin, Ramsey, Dakota, Nicollet, Goodhue, and Winona.
2007Fall1 Only two reports, 8/11 Dakota LEC and 8/14 Dakota JLO (median late south 9/2).
2008Spring15 Early south (median 5/4) 5/3 Goodhue DAC, SWe, Washington LKe, 5/5 Ramsey (Maplewood Nature Center) EEO. An individual observed by DMF on 5/7 near Granite Falls, Chippewa County subsequently flew across the Minnesota River into Yellow Medicine, furnishing a new county record. High count 5/25 Houston (6, Millstone Landing and La Crescent) KRE.
2008Summer10 Most reports since 1994. Found in Sibley, Carver, Scott, Hennepin, Ramsey, Dakota, Brown, Blue Earth, Goodhue, Winona.
2008Fall2 Only two reports, both of small groups: 8/9 Scott (4, Louisville Swamp unit Minnesota Valley N.W.R.; 2 adults and 2 probable hatch-year birds in loose group) BAF, 8/16 Carver (6, Rapids Lake Unit, Minnesota Valley N.W.R.) JCy.
2009Spring110 Early south (median 5/4) 5/6 Hennepin CMB, 5/9 Goodhue SWe, 5/11 Winona ANy. All north (median 5/18) 5/17 Morrison RAE. High count 5/28 Houston (5) RPR.
2009Summer8 Multiple reports in June from Nicollet (Traverse des Sioux Historic Site, 2 adults at presumed nesting cavity in tree stump) m.ob. High count 7/27 Houston (12 at public access to Mississippi River bottoms) CLW. All other reports from Twin Cities 13-County Metro Area.
2009Fall2 Only two reports. The first was a migrant found 8/2 in Washington at Wind in the Pines Park, DBM. The second was an extremely late individual discovered by RHi on the Bluff Trail, Minnesota Valley N.W.R., Hennepin on 10/27. This exceeded the previous late date by over one month; the bird remained until 11/1 †BAF, SLC, m.ob.
2010Spring12 Early south (median 5/4) 5/2 Houston (Millstone Landing) DBM, 5/6 Ramsey SLo, KRo. New county record 5/18 Redwood (Lower Sioux Agency Historic Site) WCM. No north reports, and no counts of more than two birds.
2010Summer11 Reported south and east of a line from Chisago to Nicollet, plus Lac qui Parle.
2010Fall3 All south 8/6 Carver JCy, Washington (William O'Brien S.P.) LS, followed by several reports from Hennepin along Minnehaha Creek near Lake Hiawatha, 8/14 DDo, 8/20 BAF, 8/23 DDo, 8/26 TAT (median late 9/1).
2011Spring10 Early south (median 5/4) 5/1 Hennepin (T. S. Roberts Bird Sanctuary) PEB, 5/8 Hennepin (Hyland P.R.) SLC, 5/12 Goodhue RZi, 5/16 Steele (Rice Lake S.P.) JHD. No north reports. New county record 5/25 Waseca (Blowers Park area) DCu. No reports of more than three individuals.
2011Summer16Seen in central regions, Southeast, South-central.
2011Fall6 Reported from Carver and Winona, and then late south 8/15 Hennepin (migrant at T.S. Roberts Bird Sanctuary) TAT, 8/20 Brown (2, different locations) BTS, Washington LS, 8/28 Brown BTS, 9/2 Dakota JLO (median 9/1).
2012Spring10 Early south (median 5/4) 5/4 Winona (Prairie Island Road) ANy, 5/5 Goodhue DFN, PEJ. High counts 5/19 Houston (4, Millstone Landing) WCM, 5/19 Goodhue (3) JWH.
2012Summer14 Reported from Central, East-central, South-central, Southeast. High count 6/16 Hennepin (4, Nine Mile Creek) DWK. First county breeding record from Goodhue GJM.
2012Fall8 More reports than usual for the season. New county record: 8/5 Benton (Bend in the River R.P.) RZi. Late south 8/20 Meeker JAn, Washington LMS, 8/24 Dakota DVe, 9/4 Carver JCy (median 9/1).
2013Spring116 Well-represented with reports from 17 counties. Early south (median 5/4) 5/1 Goodhue GJM, 5/2–3 Hennepin BAF, SHF, CMB. New county record 5/27 McLeod (Lake Marion C.P.) PRH. Only north report 5/27 Otter Tail JSe. High count 5/15 Sherburne (4, along a one-mile stretch of Elk River) ADB.
2013Summer113 Reported from Central, East-central, South-central, Southeast.
2013Fall5 Reported from Brown, Carver, Dakota, Goodhue, and Hennepin. Late south 8/28 Goodhue ANy, 8/29 Carver (3) JCy, 9/3 Dakota DVe (median 9/1).
2014Spring13Early south (median 5/4) 5/7 Scott JEB, Washington PNi, 5/8 Rice DAB, 5/9 Goodhue PRH. High count 5/21 Goodhue (4, Hok-Si-La Park) DCZ. No north reports.
2014Summer9Reported from Carver, Chisago, Dakota, Goodhue, Ramsey, Scott, Sherburne, Washington, Winona. High count 6/16 Dakota (5, Vermillion Bottoms) GJM.
2014Fall5 Reported from Carver, Dakota, Ramsey, Washington, Winona. High count 8/12 Dakota (6, Gores Pools #3 W.M.A.) DVe. Late south 9/6 Dakota DVe, 9/9 Carver JCy (median 9/1).
2015Spring17 New county record 5/8 Wright (male, Anna and Oscar Johnson C.P.) ANy. Other out-of-range records 5/31 Sherburne DPG, 5/14 Yellow Medicine HHD. Early south (median 5/4) 5/4 Winona DBz, 5/5 Anoka REH, 5/6 Carver JCy. High count 5/13 Carver (6, Minnesota Valley N.W.R., Rapids Lake Unit) JCy.
2015Summer18 Found in Central, East-central, South-central, Southeast. High count 6/11 Goodhue (5, Vermillion Bottoms) GJM.
2015Fall3 All reports: 8/7 Steele ph. PSu, 8/21 Winona PTr, 8/30 Carver (male) JCy, 9/1 Carver (female/imm.) JCy (median late south 9/2).
2016Spring14 Early south (median 5/4) 4/29 Goodhue (Hok-Si-La Park) ChS, Houston DBz, 4/30 Dakota (Mississippi River Lock and Dam #2) ODa. Noteworthy reports outside its usual range: 5/16 Lac qui Parle (Lac qui Parle S.P.) WCM, 5/23 Swift (Pomme de Terre River, US 12 Wayside) DOr. High count 5/19 Carver (6, Minnesota River Valley N.W.R., Rapids Lake) JCy.
2016Summer14 Found in southern half of state in all regions except West-central. High count 6/18 Goodhue (8 singing males, Cannon River) MaS. First county breeding record 7/8 Yellow Medicine GWe.
2016Fall1 Only report 8/10 Goodhue (3, Lock & Dam #3) HCT.
2017Spring17 Early south (median 5/4) 5/7 Rice DAB, 5/10 Goodhue WPo, 5/11 Carver JCy. Noteworthy out-of-range reports 5/12 Faribault TCz, 5/13 Sherburne AnJ, 5/13 Watonwan LiH, 5/18 Benton (Bend in the River C.P.) HHD, DBz, ANy. High count 5/29 Chisago (4, Franconia) CDe.
2017Summer17 Reported from every region except Northwest, North-central, Northeast, West-central. High count 6/5 Dakota (29, Vermillion River Bottoms between C.R. 68 bridge and public access off Ravenna Trail) RMD.
2017Fall4 All reports 8/5 Carver (Rapids Lake) JCy, Houston MJB, 8/6 Anoka (Springbrook N.C.) KMa, 8/10 Redwood MiO.
2018Spring17 Early south (median 5/4) 4/30 Hennepin ebd, Rice JiP, Washington LMS. Unusual reports away from normal range: 5/1–2 Olmsted (County 9 Marsh) JmP, MiD, JPr, 5/3 Freeborn AEB, 5/9 Olmsted (Izaak Walton Wetlands) JoP, LAV, Freeborn HCT, 5/11 Benton (Bend in the River R.P.) JOs, 5/31 Redwood (Honner Twsp.) BTS. High counts 5/14 Carver (6, Rapids Lake, Minnesota Valley N.W.R.) JCy, 5/14 Goodhue (6, Vermillion Bottoms) GJM, 5/24 Washington (5) AXH.
2018Summer14 Reported from Central, East-central, Southeast, plus Freeborn, Yellow Medicine. High count 6/17 Dakota (8, Vermillion River Bottoms) SKS, ebd.
2018Fall6 All reports 8/1 Sherburne (Riverside Landing Park) PLJ, 8/10 Ramsey (Crosby Farm R.P.) BAF, 8/17 Washington (William O. Brien S.P.) MJB, 8/23 Dakota MwT, 8/26–9/3 Houston (5, La Crescent) ToM, 8/27 Houston (Norwegian Ridge Birding and Nature Trail) ToM, 9/9 Carver (Minnesota Valley N.W.R., Rapids Lake) ebd, 9/10 Houston (Millstone Landing) ToM (median late south 9/2).
2019Spring218 Early south (median 5/4) 5/4 Goodhue DFN, LiH, Hennepin ebd, 5/5 Hennepin RTu. All north 5/16–20 Marshall (Agassiz N.W.R.) ebd, ph. PEB, m.ob., 5/27–29 Hubbard (West Gulch F.R.) ph. REn, AxB. High counts 5/11 Goodhue (6, Hok-Si-La Park) ebd, 5/20 Anoka (4, Cedar Creek Ecosystem ) ebd.
2019Summer113 Observed in Central, East-central, Southeast. Unusual locations 6/7–20 Pine (Snake River backwaters) m.ob., 6/24 Renville RMD. High counts 6/16 Dakota (9, Vermillion River Bottoms) IVa, 6/18 Sherburne (8, Elk River above Lions Park, Big Lake) DPG.
2019Fall6 High counts 8/19 Houston (11, Sheperd’s Marsh) ToM, 8/20 Winona (4) ToM. All south 8/4 Hennepin ebd, 8/17–30 Brown (C.R. 10) MiO, BTS, 8/19–20 Houston ToM, ShG, HeH, 8/20 Winona ToM, 8/21 Dakota PNi, 8/24 Washington (Marine on St. Croix) MBw, 8/30 Washington NMe.
2020Spring20 With some exceptions reported from its typical Southeast and East-central regions starting south (median 5/4) 4/30 Ramsey BSf, 5/1 Hennepin MSc, Houston ASu, Ramsey ebd, Winona ToM. High counts 5/14 Houston (5, Millstone Landing) RLF, 5/23 Dakota (5, Hastings) LHl. Noteworthy out-of-range reports 5/9 Benton (Bend in the River R.P.) DOr, HHD, 5/6 Freeborn (Myre-Big Island S.P.) ToM, 5/22 Martin (Bright Lake C.P.) MAJ, 5/16–18 Olmsted (Kutzky Park) JPr, 5/13 Redwood (two locations) MiO, JSc, 5/24–27 Yellow Medicine (Upper Sioux Agency S.P.) KEm, JWH, JGW, m.ob.
2020Summer117 Reported from Central, East-central, South-central, Southeast. Unusual report 6/16 Benton (2, Bend in the River C.P.) MJB.
2020Fall4 Reported from Carver, Dakota, Goodhue, Hennepin. High count 8/6 Goodhue (4, Mississippi River Lock and Dam 3) EBy. Late south 9/4 Goodhue ebd, 9/6 Carver JCy, 9/11 Dakota DVe (median 9/2).
2021Spring321 Highest number of reporting counties both north and south in state’s history. Most counties were along the Minnesota and Mississippi Rivers in the Southeast, although also detected in Southwest and West-central regions. Early south (median 5/4) 5/1 Carver JCy, Houston EHi, Winona ebd. All north (median 5/17) 5/12–14 Otter Tail (New York Mills) ebd, m.ob., 5/15 Douglas (Miltona) ph. †LGl, 5/25 Pine (2, Bears Ear W.M.A.) KrM. Record-high spring count 5/22 Carver (9, Minnesota Valley N.W.R., Rapids Lake) JCy; another notable tally 5/11 Houston (6, Millstone Landing) EHi.
2021Summer116 Reported from Central, East-central, Southeast, plus 7/5 Lac qui Parle (near U.S. 75 dam) GWe. High counts 6/14 Carver (8, Minnesota Valley N.W.R., Rapids Lake) JCy, 6/23 Houston (8, Millstone Landing) DvN, ASu.
2021Fall11 Best fall season ever for this southerly warbler; 129% increase from the 10-year average number of reporting counties. Most reports between Sherburne and Houston, but also 8/12 Brown BTS. No count exceeded two birds. Late south 8/29 Goodhue ebd, Hennepin ebd, 9/5 Houston (2, Millstone Landing) WCM, ph. SuH, 9/10 Houston (Wagon Wheel Trail) ToM (median 9/2).
 
 Breeds locally southeast, south-central, and east-central.

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.