Seasonal Report Archive for The Loon - Wrens 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: Wrens
Rock Wren
Bewick's Wren
Carolina Wren
Northern House Wren
Winter Wren
Sedge Wren
Marsh Wren
[Cistothorus wren]

Northern House Wren(Troglodytes aedon)
YearSeasonNS
1930SummerSeveral nests were found, the earliest at Shakopee, with a single egg on May 18th. The writer found a nest at Grand Marais, containing eggs on June 19th. A nest near Excelsior, begun July 3rd had the eggs hatched July 25th. On August 5th the young were still in the nest (the writer). The Flicker, 1930 -36
1931SummerNest with three e15es on May 30th (Hoolsey); another with 7 eggs on J·,t:!C 24th (11. Morse).
1932SummerNo occupied nests were fqund until. June 19th, when Hueeby located one with 5 oggs at Millo Lacs, 'but a wren was seen building on May 12th by Downey and E:isele..The latest nest wa~ seen on August 5th, when. it P.oused ~~ young. Mrs. Wilson reports an olq syrup pail hung upside down between the _J wires of a fence as a nesting site for this beteronidifier.
1933Summer Twenty-six nests exnr.uned. A nest with 3 fresh eggs was found near st. Cloud on June 7th by Hiamenz. ~he last was seen by Swedenborg ncar Iviinncapolis on July 22nd, when it containe-d 6 eggs. Jenny's oft-unconventional habits were illustrated by sevcrnl nests reported. Grines found one in an old gnllon kerosene.can on the ground in a field; the sane person saw another on top of a gasoline purJp, and Hieoenz discovered a third in the motor of an old car.
1934Summer A nur.1bor of. "building,records" were reported, tho earliest.. being Hay ·13th at st. Clpud (}Ianson and Hiemenz); but no occupied :nests were invost:i.gntcd until Hicnenz found one on.Juno 1st at Grand LD.ke with 6 fresh eggs. Ri'ssor found tho la.test nest on August 8th o.t Rush City, Chisago County. It wa.s filled by young sovero.l clays old.
1935Summer Svrcdcnborg saw the first and last nests. He saw tho first nest· and eggs at Onamia June 1st, and the last nest. viith J eggs July 28th. Thompson saw 2 nests, each 1-~ith 3 eggs, c.t Eveleth on Ju.'le 19th a.11d June 20·t;h rospeetively. 011 1une 25th Prosser discovered an interesting House \'Tron fr..lJllily living 15 feet above tho ground in a birch stub in Cook County.
1936Summer The first reported nest of this cheerful and welcome little songster was found by the Minnesota Bird Club members at Linwood Lake on June 13th and contained three eggs and one yom1g. Mrs. Peterson reported two broods being fed in their nests at l~dison June 28th. The -latest date comes from the Ivla.hles at Plainview who found five eggs being incubated on August 4th.
1937SummerG. Rysgaard saw house wrens building at Sturgeon Lake on June 10.
1938SummerR. M. Berrhel re­ports that at White Bear Lake a pair of wrens on May ro, began to carry nesting material into the same box they.used in I937· E. D. Swedenborg found a nest that held 7 large young on July 3 at Shakopee.
1940SummerThe T. S. Roberts Club found 3 occupied nests on June I 8, 12. Ruth Frisell (Duluth) found 3 young out of the nest on July r6.
1943SummerN. Mpls., 7 eggs, June 9. W. J. Breckenridge. 2 young, July 26, North Arm Burntside Lake, St. Louis County. A. Chambers. May 27, St. Paul, eggs. K. Carlander. July 10, 3 nests, Ca.ss County. K. Carlander. July 29, illest wiyth young, Cass County. K. Carlander. July 26, nest with young, Itasca County. K. Carlander. St. Louis County, 3 young, July 18. 0. Lakela. Duluth, 4 young, July 20. E. Jones.
1944Summer13. May 15, building (first egg on May 29), Hennepin, Ham­ilton. June 3, two nests, seven eggs and four eggs, St. Paul, Hofstead and Olson. July 4, four young, St. Louis County, Hatfield. July 8, three young out; Aug­ust 19, four young out; Duluth, Lak­ela. Others by Hamilton, Field, Marian McLennan, Hofstead, and Olson.
1945Summer7 nests, two with eggs, Washington Co., June 3, 3 nests with young, Ramsey Co., June 24 to July 4, 1 nest with young, Dakota Co., July 8, Russell Hofstead; nest with 5 eggs, Hennepin Co., June 20, W. J. Breckenridge; nest with young, Duluth, July 15, nest with 2 young, E. Beaver Bay, July 21, Olga Lakela, Mary I. Elwell; 5 nests, Washington Co., June 24, 2 nests with 7 young each, Wright Co., June 24, 7 young in nest, Hennepin Co., July 4, Don and Eldeen Jacobs; nest with eggs, Itasca Park, June 18, William Longley; nest with eggs, Hennepin Co., Wallace E. Hamilton.
1946Summer3 young out, July 15; 3 families of 3 out, July 25, St. Louis Co., Lakela; 2 young, August 3, Hennepin Co., Barrett.
1947Summer8 young, June 8, Lac qui Parle Co., Willis; June 16 building, 17th, 3 eggs, 20th, 7 eggs, 22nd all eggs missing, July 23, 3 dead, Hennepin Co., Pratt; 3 young, July 15; 4 young, July 21; 9 young, July 25, St. Louis Co., Lakela.
1961SummerSix nestlings found at Swan Lake on 24 June by the Huber brothers. Forest Strnad found 11 nests near Kasson between 28 June and 10 August. All contained from four to seven young. Dean Honetschlager reported two nests in May Township, Washington County, no date given. THRUSHES, MIMIC THRUSHES, PIPITS:
1961FallLatest report was 1 Oct. at Heron Lake by R. Huber.
1962SpringApril 28 Sibley Co., A.C. Rosenwinkel; April 29 Heron Lake, Jackson Co., Avifaunal Club; May 2 Winona, Hiawatha Valley Bird Club; May 14 Duluth; Janet C. Green.
1962SummerMay 19, Vasa, Goodhue Co., nest nearly complete, H. Huber; June 24, St. Paul, 3 young leaving nest, A. C. Rosenwinkel; July 16, Cass Lake, Cass Co., 5 young in brush pile, John Mathisen; Goodview, no date, 2 nests, Grace Gordon
1962Falllast report, Oct. 6, Frog Lake, Stevens Co., Avifaunal Club.
1963SummerNumerous nests in St. Louis, Beltrami, Wadena, Ramsey and Winona Counties.
1963Falllatest, Oct. 5, Watonwan Co., Avifaunal Club; Oct. 13, Winona, Frances Voelker.
1964Spring4-19 Douglas Co, MVS; 4-25 Hennepin Co, MEH; 4-28 Sherburne Co, RPR; 5-1 Ramsey Co, ACR; 5-2 Goodhue Co, RBJ; 5·2 Ramsey Co, IG; 5-2 Ramsey Co, ELC; 5-4 Duluth, JCG; 5·5 Wright Co, EC; 5-10 Cass Co, JAM; 5-14 Marshall Co, DLO.
1964Summerbreeding Ramsey (ACR, ELC), Crow Wing (ELC), St. Louis (SM, AKA), Dakota (fide ACR), Roseau CPEB), Wabasha CDRM), Beltrami (MG) and Hennepin (MEH) Counties, also Fargo-Moorhead, EGA.
1964Fall9-29 Ramsey Co, ACR; 10-3 Duluth, AKA.
1965Springearliest 4-18 Minneapolis, MEH and 4-19 Faribault, OAR; next records 4-22 Eagle Lake, GP and 4-29 Minneapolis, RBJ.
1965Falllatest 9-27 Washington Co, WWL and 10-2 Wabasha, DGM.
1966Springearliest 4-8 Rochester, CMJ (early!); 4-17 Nobles Co, HSH; 4-29 Washington Co, DS, BL.
1966Summernested in Pope, Washington, Beltrami, Cottonwood, St. Louis, Roseau, Cook, Wright, Clay, Sherburne and Wabasha Co's; also reported from 17 other counties.
1966FallLatest 10-4 Hennepin Co., FN/ MAS, MHM; 10-11 Hennepin Co., VL; 10-21 Wright Co., EC.
1967Springearly 4-29 Wabasha Co., DGM and Goodhue Co., RBJ; 4-30 Fillmore Co., DB; 5-2 Hennepin Co., MHM; 5-4 Washington Co., DH.
1967Summernested Hennepin, Lyon, Ramsey, Cottonwood, Hubbard, Beltrami, Washington, Rice, Cook, Crow Wing Co's. and Fargo-Moorhead; also reported from Goodhue, Stevens, Nobles, Clearwater, St. Louis, Wabasha, Pope, Morrison, Aitkin Co's.
1967Fall latest 10-4 Anoka Co., PE; 10-5 Washington Co., DS; 10-15 Ramsey Co., RJC.
1968Spring early 3-30 Aitkin Co., CEP (exceptional); 4-21 Wabasha Co., DGM: 4-24 Nobles Co., HSH; 4-30 Goodhue Co., BL.
1968Summer nested in Winona, Mille Lacs, Hubbard, Anoka, Rice, Lyon, Cottonwood, Polk, Washington, Beltrami, Kanabec, Hennepin, St. Louis, Stearns Co's; also reported from Carlton, Lake, Clearwater, Wabasha, Blue Earth, Pine, Crow Wing, Nobles, Morrison, Carver, Pope, Sherburne, Cook, Wright Co's.
1968FallLatest 9-29 Mille Lacs (Onamia) MIV; 10-1 St. Louis JCG.
1969Spring4-19 Freeborn Co., RJ; 4-24 Duluth, KS; 4-26 Washington Co., DS, WWL; 4-28 Duluth, MMC; 5-18 (3) Duluth, MMC..
1969Summernested in Beltrami, Hennepin, Wright, Chisago, Washington, Rice, Wabasha, and Freeborn Co's.; also reported by most observers throughout the state.
1969Fall8-3 Hennepin 4 WKE; 8-15 Cottonwood 4 LAF; 9-14 Duluth KS; 10-8 Carver TH; 10-20 Olmsted HEW.
1970Springearly south 4-8 Hennepin EB (very early date; Winter Wren?}; next 4-22 Rice OR; 4-25 Blue Earth EK; early north 4-25 Crow Wing j B; 4-26 Duluth RL.
1970Falllate north 9-24 Morrison LR; late south 10-2 Winona TV and Hennepin VL; 10-20 Hennepin PF.
1971Springearly south 4-20 Winona TV; 4-22 Nobles HH; 4-24 Dakota DB; early north 5-2 JG; 5-7 Morrison LR and Mille Lacs MI.
1971Summernested in Hennepin, Cottonwood, Rice, Beltrami, Wabasha, McLeod, Carver, Swift, Ramsey and Wright; also reported from 21 other counties.
1971Falllate south 10-5 Hennepin; 10-6 Dakota; 10-1t Olmsted; late north 9-12 Crow Wing; 9-25 Duluth.
1972Summerbreeding cards from 6 counties, nesting reported in 9 others; seen in 22 other counties.
1973Summer Breeding cards from Wright, Clay, Cottonwood, Wabasha, Stearns, Carlton, Hennepin, & Sherburne; seen in 28 other counties.
1973Fall Seen in 11 counties. One late report: 10-12 Anoka (SC).
1974Spring Early south 4-13 Cottonwood LAF· 4-24 Stearns NMH; 4-26 Hennepin PF; early north 4-6 St. Louis MK, KS; 5-2 Clay LCF.
1974Summer Nested in Marshall, Carlton, Stearns, Wright, Hennepin, Wabasha, Winona, Le Sueur, Cottonwood, Swift, Pipe- stone, Murray, Rock; also reported from 32 other counties.
1974Fall Late north 10-5 Clay LCF; 10-1 S Clay LCF; late south 10-4 Meeker RBJ; 10-5 Rock KE; 10-14 Murray AD.
1975Spring Early south 4-15 Murray ADK; 4-20 Hennepin PVK; 4-21 Olmsted VH; early north 5-7 St. Louis MMC and Marshall SV; 5-8 Morrison LSR. Winter Wr·en Early south 4-5 Houston FL; 4-8 Henepin VRL, EWJ; early north 4-17 St. Louis MMC; 5-2 Crow Wing TS; 5-4 Marshall SV; peak 4-19 Pipestone, Rock (20) KE.
1975Summer Nested in Marshall, Hubbard, Becker, Itasca, Carlton, Mille Lacs, Stearns, Hennepin, Cottonwood and Lyon; also reported from 32 other counties.
1975Fall9-26 Morrison LR; 9-28 Clay LCF; were the late north records, the late south records were 10-4 Rock KE, Ramsey GC; 10-5 KE.
1976Spring Early south 4-16 Fillmore GE; 4-18 Washington GA and Hennepin HPR; early north 5-9 Otter Tail GW and St. Louis DS; 5-11 Marshall SV and Mille Lacs MI.
1976Summernested in Marshall, Becker, Clay, Hubbard, Cass, Itasca, Pine, Lake, Lac qui Parle, Lincoln, Cottonwood, Wright, Anoka, Chisago, Hennepin and Blue Earth; also reported from 24 other counties.
1976Fall Late north 9-21 Cook, 10-3 Clay; late south 10-3 Wright, 10-5 Swift, 10/8 Murray.
1977Spring Early south 4-13 Olmsted VH; 4-15 Olmsted JF; 4-18 Wabasha DM and Scott SH; early north 5-1 Otter Tail SM, GO; 5-6 Crow Wing TS and Cass AES; 5-7 Marshall SV A.
1977Summer Nested in Marshall, Itasca, Morrison, Lac qui Parle, Cottonwood, Wright, Anoka, Hennepin, Dakota and Olmsted; also reported from 22 other counties throughout the state; fewer reports than usual.
1977Fall Late south 10-18 Hennepin (KE).
1978Summer Breeding reported from Morrison, Grant, Dakota, Anoka, Otter Tail, Watonwan, Cottonwood, Wabasha, Washington and Beltrami; also seen throughout the state.
1978Fall Late north 9-9 Clay LCF, 9-20 Itasca MS; late south 10-8 Houston EMF and Hennepin ES, 10-12 Hennepin OJ.
1979Spring Early south 4-22 Hennepin TD, 4-23 Wabasha DWM; early north 5-3 Itasca MS, 5-6 Clay LCF.
1979Summer Breeding reported from Clay, Otter Tail, Stearns, Anoka, Goodhue, Olmsted; also seen throughout the state.
1980Spring Early south 3-5 Olmsted JSD, 4-17 Murray AD, 4-21 Wabasha WDM; early north 5-2 Otter Tail GMO, 5-4 SM, 5-3 Morrison RJ.
1980Summer Breeding reported from ten counties; seen also throughout the state.
1980Fall Late north 9-26 Clay LCF, 9-27 St. Louis LW, 10-1 Pennington KSS; late south 10-3 Hennepin ES, Houston EMF, 10-7 Olmsted JEB, 10-8 Dodge RJ, 10-9 Hennepin SC.
1981Spring Early south 4-16 Anoka SE, 4-20 Ramsey DL; early north 4-29 Otter Tail SM, 5-2 Clay LCF, 5-3 Beltrami JC, JP.
1981Summer Breeding data from Benton, Stearns, Kandiyohi, Le Sueur, Martin. Seen throughout the state.
1981Fall Late north 9-13 Clay LCF, 9-17 Becker RN, 9-24 Beltrami JP, 10-7 St. Louis LW; late south 10-2 Hennepin PF, 10-3 Houston FL, 10-4 Martin EB/ K, 10-10 Houston RJ, BL, 10-15 Hennepin SC, Dodge RG.
1982Spring Early south 4-19 Houston EMF, 4-24 Washington TBB, 4-26 Hennepin SC, 4-28 Blue Earth MF; early north 5-1 Douglas RJ, 5-4 Otter Tail SDM, 5-5 Beltrami JSP, 5-7 Clay LCF, 5-8 Aitkin WN.
1982Summer Breeding data from Lake, Pennington, Pope, Stearns, Sherburne, Washington, Cottonwood, LeSueur, Olmsted, Houston. Seen throughout the state.
1982Fall Late north 9/16 Clay LCF, 9/25 St. Louis KE, LE, 9/26 Pennington KSS, 10/21 Beltrami JP; late south I 013 Meeker RJ, 10/4 Brown JSp, 10/5 Hennepin SC, 10/10 Murray AD.
1983Spring Early south 4/1 Houston EMF, 4/20 Dakota JP/AM, 4/26 Lac qui Parle FAE, 4/27 Hennepin ES, 4/28 Le Sueur EK; early north 4/18 Itasca MSc, 5/9 Clay LCF, 5/10 Polk KSS, 5/11 Otter Tail SDM, 5/12 Lake of the Woods.
1983Summer Breeding data from 16 counties. Seen throughout the state.
1983Fall Late north 9/26 Roseau AJ, Otter Tail SDM, 10/2 HRNR, 10/8 Cook KMH ; late south 10/14 Nicollet JCF, Brown JSp, 10/ IS Olmsted JEB, 10/16 Washington TBB.
1984Spring Early south 4/13 Murray AD, Ramsey SSt, 4/26 Winona JH, Brown JSp, 4/27 Houston EMF, 4/28 Anoka SC 4/29 DZ, 4/30 Olmsted JEB, RE; early north 5/9 Aitkin WN, 5/15 St. Louis K. Sundquist, Lake of The Woods TW, 5/16 Marshall ANWR, Crow Wing JB, Pennington KSS, 5/17 Clay LCF, Roseau AJ.
1984Summernested in Pennington, Morrison, Stearns, Benton, Anoka, Ramsey, Brown, Olmsted, Le Sueur, Blue Earth, Lyon and Clay; also seen in 39 other counties.
1984Fall Late north 10/3 Cook KMH, I019 Clay LCF, 10/20 St. Louis KC; late south 10/13 Winona RJ, 10/14 Murray AD, 10/21 Brown JSp, 10/27 Hennepin IT.
1985Spring Early south 4/20 Hennepin Tiu, 4/21 Ramsey KB, 4/22 Hennepin SC, Dakota JD, Wabasha WDM, Olmsted AP; early north 4/21 Wilkin GAM, 4/30 Otter Tail SDM, 5/1 Norman BK, 5/2 Clay LCF.
1985Summer Nested in Lake, Koochiching (GM), Polk, Crow Wing, Morrison, Steams, Chippewa (RGJ), Meeker, Ramsey, Washington, Dakota, Olmsted, Dodge (JB), Rice, Faribault (KWB), Brown; probable nesting in Cook, Clay, Pope, Anoka, Cottonwood. Seen in 27 other counties throughout the state.
1985Fall Late north 9/26 Cook KMH, 10/3 Otter Tail SDM; late south 10/6 Hennepin ITu, 10/7 Olmsted PP, AP, 10/8 Brown JS.
1986Spring Early south 4/16 Mower RRK, 4/22 Houston EMF, Fillmore, Olmsted AMP, 4/23 Ramsey KB, Hennepin BDC, 4/24 Brown JS ; early north 4/28 St. Louis KE, 4/29 Wilkin GAM, 5/2 Marshall ANWR, 5/4 Otter Tail SDM, Clay LCF.
1986Summer Nested in 14 counties throughout the state including Todd, Freeborn (NHo); probable nesting in two additional counties. Also seen in 51 other counties throughout the state.
1986Fall Late north 9/26 Wadena AB, 10/5 Clay LCF; late south 10/12 Brown JS, 10/24 Murray ND, 10/26 Lyon HK.
1987Spring Early south 3/25 Murray ND, 4/17 Houston FL, Ramsey RH, Anoka GP; early north 4/22 Wilkin GAM, 4/25 Otter Tail SDM.
1987Summer Nested in 11 counties including Red Lake (SKS); probable nesting in three additional counties. Also seen in 44 other counties throughout the state.
1987Fall Late north 9/26 St. Louis CO, 10/8 Clay LCF; late south 9/29 Houston EMF, 10/3 Hennepin SC and Olmsted RSE, 10/4 BrownJS.
1988Spring Early south 4/18 Dakota JD, 4/19 Cottonwood BF, 4/20 Sherburne DO; early north 5/1 Todd PH, 5/3 Clay LCF, 5/4 Koochiching GM and Aitkin WN. Winter 1988
1988Summer Nested in 14 counties and seen in 43 other counties statewide.
1988Fall Late north 9/24 Clay LCF, 10/1 Otter Tail RJ; late south 10/8 Murray ND, Hennepin ES, 10/9 Brown JS, 10/14 Olmsted BSE.
1989Spring Early south 4/9 Olmsted AP, 4/15 Blue Earth LF, 4/20 Murray ND; early north 5/4 Clay LCF, 5/6 Pennington SKS, Becker BK.
1989Summer Nested in seven counties; probable nesting in three. Seen in 50 other counties statewide.
1989Fall Late north 9/15 St. Louis SDM, 9/26 Clay LCF; late south 10/12 Blue Earth LF, 10/13 Houston EMF and Winona CS, 10/19 Hennepin SC.
1990Spring Early south 4/21 Blue Earth MF and Hennepin RM, 4/23 Fillmore NAO; early north 4/25 Otter Tail SDM, 5/5 Becker BK and Clay LCF, 5/12 Todd PH.
1990Summer Nested in Crow Wing, Anoka, Brown, Le Sueur, Olmsted; probable nesting in five counties. Seen in 48 other counties statewide.
1990Fall Late north 10/2 Clay LCF, I0/6 Wilkin MO, 10/11 Cook KMH; late south lOIII Houston EMF, 10/12 Washington TEB, 10/14 Martin BB.
1991Spring Early south 4/20 Lac qui Parle CMB, 4/22 Houston EMF, 4/25 Rice TB and Winona CS; early north 5/2 Clay LCF, 5/9 Grant and Wilkin SDM, 5/12 Aitkin WN and Cook MH.
1991Summer Nested in seven counties, probable nesting in six; seen in 38 other counties statewide.
1991Fall Late north 9/28 Becker MO and Clay LCF, 10/6 Itasca AB; late south 10/8 Hennepin SC, 10/9 Winona CS, 10/18 Houston EMF.
1992Spring Early south 4/28 Cottonwood ED and Winona CS, 4/29 Rice TB, 4/30 Blue Earth LF, Hennepin DB and Washington TEB; early north 5/2 Roseau NJ, 5/3 Kanabec CM, 5/4 Lake DPV.
1992Summer Nested in 12 counties, probable nesting in five; seen in 42 additional counties statewide.
1992Fall Late north 9/6 Aitkin DN, 9/13 Otter Tail MO, 9/20 Clay LCF and Pennington SSt; late south 10/18 Hennepin TT, 10/23 Olmsted JB, 10/24 Rice TB.
1993Spring Early south 4/22 Cottonwood ED, 4/25 Houston EMF, Lac qui Parle FE, Nicollet MF and Rice DN. Early north 4/26 St. Louis AE, 4/27 Otter Tail CS/KC, 5/4 Douglas KKW.
1993Summer Nested in 13 counties including Douglas KKW, Kanabec CM, Nicollet LF; probable nesting in Anoka, Cottonwood. Seen in 40 additional counties statewide.
1993Fall Late north 9/4 Kanabec CM, 9/11 Otter Tail KKW, 9/27 Polk KSS. Late south 10/7 Winona JPo, 10/11 Hennepin TT and Ramsey RH, 11/14 (second latest date on record) Anoka CF.
1994Spring Early south 4/13 Olmsted AP, 4/18 Winona CS, 4/22 Lyon HK and Rice TB; early north 4/24 Kanabec CM, 5/5 Aitkin WN, 5/9 Otter Tail SDM.
1994Summer Number of reports well below average. Nested in seven counties, probable nesting in seven; seen in 30 additional counties statewide.
1994Fall Late north 9/29 St. Louis ME, 10/1 Clay CF, 10/22 (latest date north on record) Itasca JB/TS. Late south 10/10 Houston EMF, 10/13 Hennepin SC, 10/18 Lac qui Parle WL.
1995Spring Early south 4/14 Cottonwood ED, 4/26 Brown JS and Hennepin DBM, 4/27 Rice TB; early north 4/16 Douglas SW, 4/25 Kanabec CM, 5/3 St. Louis AE.
1995Summer Nested in seven counties, probable nesting in six; seen in 35 additional counties statewide.
1995Fall Late north 10/8 Koochiching, 10/10 Todd JSK, 10/12 Clay CF. Late south 10/11 Brown JSp, 10/15 Hennepin TT, 10/22 Hennepin SC.
1996Spring Early south 4/5 Freeborn ABa, 4/19 Houston EMF, 4/28 Hennepin SC. Early north 5/11 Todd JSK, SDu, 5/13 Grant SDM, 5/15 Otter Tail SDM.
1996Summer Nested in ten counties including Cook OSL; probable nesting in seven. Seen in 43 additional counties statewide.
1996Fall Late south 10/10 Houston EMF, 10/12 Hennepin SC, 10/12 Waseca JSe. Late north 9/8 Lake of the Woods PS, 9/14 Itasca ABo. North reports very scarce and not representative; 11 year median departure date is 10/5.
1997Spring Early south 5/3 Houston EMF, Fillmore RJ and Anoka JH. Early north 5/5 Kanabec CM, 5/6 St. Louis ME, 5/9 Becker BK.
1997Summer Observed in 60 counties statewide; probable nesting in ten counties.
1997Fall Late north 9/6 Becker BK, 9/13 Clay CN. Late south 10/7 Hennepin SC, 10/10 Cottonwood RJ, 10/11 Hennepin TT.
1998Spring Early south 4/22 Rice TBo, 4/23 Houston KK, 4/25 Lac qui Parle WM. Early north 5/2 Kanabec CM, 5/6 Aitkin WN, 5/7 Aitkin CMG. Note: There is potential confusion between this species and the Winter Wren in early April; the House Wren is generally a late April migrant in the south.
1998Summer Seen in 55 counties statewide; probable nesting in seven counties.
1998Fall Late north 9/11 Beltrami DJo, 9/18 Todd JSK/SDu. Late south 10/9 Anoka RH, 10/11 Ramsey JDa, 10/13 Hennepin SC.
1999Spring Arrived south about one week later than usual (recent median 4/18). Early south 4/25 Houston KK, with many additional south reports 4/26–30. Early north 4/24 Otter Tail KKW and Kanabec BA, then no reports until 5/4. Peak count 5/8 Goodhue (64) AH, PS. Note: Reports from Becker and Todd in early April need documentation to rule out the more likely Winter Wren. The House Wren is generally a late April migrant in the south and rarely arrives before the end of April in the north (recent median 5/1).
1999Summer Observed in 56 counties throughout state.
1999Fall Migration consistent with recent median departure dates. Late north 9/13 Kanabec BA, 9/23 St. Louis LW, 10/6 Itasca BN. Many south reports through 10/8, then only 10/15 Yellow Medicine RJ, 10/20 Murray ND.
2000Spring Seen in 31 south and 19 north counties statewide. Arrived close to recent medians south (4/19) and north (4/30). Numerous late April reports south beginning 4/21 Lac qui Parle FE and Wabasha JLU. Early north 4/26 Kanabec CM, then 4/27, 4/30.
2000Summer Reported in 62 counties statewide.
2000Fall Many north reports through 9/26, then only 10/12 Douglas REH, 10/15 Norman CMN. South reports were all prior to the median departure date (10/18), except 10/29 Dakota SEL.
2001Spring Seen in 39 south and 24 north counties statewide. Arrived within three days of recent medians south (4/20) and north (4/27). Early south 4/17 Rice TFB, 4/19 Houston FZL, then numerous reports 4/22–25. Daily arrivals north starting 4/30 Becker, Clay, and St. Louis.
2001Summer Seen in 57 counties statewide; new nesting record in Isanti DMP.
2001Fall Late north 9/26 Polk EEF, 10/14 Lake DBz, 10/17 Clay RHO, almost two weeks after recent median (10/4). Late south 10/7 Ramsey REH, 10/8 Hennepin TAT (recent median 10/18).
2002Spring Seen in 37 south and 21 north counties. Early south 4/15 Rice TFB, 4/17 Fillmore NBO and Houston KAK. Early north 5/4 Clay RHO and Pennington JMJ, 5/5 Wadena PJB. High count 5/9 Swift (17 at Marsh L. Dam) KJB.
2002Summer Seen in 63 counties statewide; new nesting record in Renville RJS.
2002Fall Late north 9/21 Otter Tail DTT, SMT, 10/1 Pine JMP. Late south 10/7 Ramsey SWe and Rice RBJ, 10/10 Hennepin TAT, 10/27 Hennepin SLC.
2003Spring Early south 4/15 Dakota JPM, 4/19 Olmsted OWB, then frequent reports starting 4/23. Early north 5/1 Otter Tail EJE, 5/4 Clay RHO (median 4/29). A 4/13 north report lacked details and was more likely a Winter Wren.
2003Summer Found in 58 counties statewide.
2003Fall Total of 62 reports from 8 north and 26 south counties in all regions except the North-central. Late north 9/18 Todd JSK, SID, then no reports until 10/14 St. Louis SLF. Late south 10/10 Sherburne REH, 10/11 Hennepin TAT.
2004Spring Reported from 21 north and 37 south counties. Early south, 4/17 Fillmore NBO, 4/21 Rice TFB (median 4/18). Early north 4/25 Otter Tail EJE, 4/28 Kanabec CAM (median 4/30). High count 5/8 Lac qui Parle (55 at Lac qui Parle S.P.) BJU.
2004Summer Reported from 57 counties in all part of state.
2004Fall Most north reports ended by mid-September, but numerous south birds lingered into early October. Late north 9/23 Clay RHO, 10/2 Lake JWL, St. Louis FJN (median 10/5). Late south 10/11 Rice TFB, 10/19 Hennepin SLC, 11/3 Dakota JPM (median 10/18).
2005Spring Found in a majority of counties in each region. First south reports were right on schedule: 4/17 Blue Earth ChH and Rice TFB, 4/18 Fillmore and Olmsted (median 4/18). Early north 5/5 Otter Tail DTT, SMT, and St. Louis MTA, 5/6 Kanabec BLA (median 4/29).
2005Summer Most reports since 1986: seen in 67 counties throughout state.
2005Fall Late north 10/1 Koochiching BJU and St. Louis SLF, 10/15 Cook AXH (median 10/4). Late south 10/8 Washington RBJ, 10/14 Dakota DWK (median 10/18).
2006Spring Observed in 70 counties. Arrived south on schedule: 4/17 Winona JJS, 4/19 Rice TFB (median 4/18) and in 18 south counties by end of the month. Early north 5/2 Kanabec CAM, 5/7 Mille Lacs ASc and Polk BDF (median 4/29).
2006Summer Record-high number of reports. Seen in all counties except Lake.
2006Fall High count 8/19 Chippewa (6) RBJ. Only two north reports after August: 9/7 Beltrami DPJ, 9/24 St. Louis JLS (median 10/5). Late south 10/5 Scott JEB and Yellow Medicine BJU, 10/8 Cottonwood BRB (median 10/18).
2007Spring2353 Early south 4/19 Fillmore NBO, 4/20 Hennepin JLS, 4/21 Dakota (2) MPi, Lac qui Parle FAE, Ramsey JLS (median 4/17). Early north 4/23 Mille Lacs HHD, 4/28 St. Louis DAG, 5/1 Mille Lacs ASc (median 5/1). High count 5/12 Clay (37) RHO.
2007Summer3149 Reported statewide.
2007Fall1740 Late north 9/19 Pennington JMJ, 9/22 St. Louis DWK, 9/24 Clay RHO (median 10/4). Late south 10/4 Freeborn RBW, Washington RBJ, 10/7 Scott WCM, BAF, Washington DFN (median 10/16). Also see undocumented reports.
2008Spring2746 Early south (median 4/17) 4/12 Fillmore ADB, 4/15 Ramsey RTB, 4/17 Meeker DMF, 4/21 Blue Earth ChH, Rice TFB. Early north (median 4/30) 4/24 Becker fide JMJ, 5/7 Kanabec CAM, 5/9 Mille Lacs ASc. High counts 5/9 Hennepin (18, Old Cedar Ave. Bridge/Bass Ponds trails) BAF.
2008Summer2842 Found throughout state.
2008Fall1643 High counts 8/11 Anoka (5) DWK, 9/13 Hennepin (5) ALD. Late north 9/24 Kanabec, Pine DMF, 9/25 Mille Lacs RBJ, 9/27 Clay RHO, Todd RBW (median 10/4). Late south 10/9 Dakota JLO, 10/11 Ramsey BRL, 10/12 Anoka (banded at Springbrook N.C., Fridley) RLR, Scott (Murphy-Hanrehan P.R., south trails) BAF (median 10/16).
2009Spring2847 Early south (median 4/17) 4/21 Meeker DMF, 4/24 Rice DAB, TFB, 4/25 Hennepin MDu. Early north (median 4/30) 5/6 Kanabec CAM, Otter Tail fide JMJ, 5/9 Douglas JPE, Hubbard MAW, Morrison FGo.
2009Summer3046 Found throughout state. High count 7/11 Scott (31, Murphy-Hanrehan P.R., north trails) BAF.
2009Fall1340 High counts 9/1 Dakota (9) ADS, 9/5 Carver (6) JCy. Late north 9/29 Traverse DBM, 10/3 St. Louis (Duluth) KRE, 10/5 Traverse CRM, 10/9 Hubbard MAW (median 10/3). Late south 10/13 Blue Earth ChH, 10/17 Carver JCy, Chisago RBJ, 10/19 Hennepin SLC (median 10/14).
2010Spring3251 Early south (median 4/17) 4/15 Waseca AEB, 4/16 Rice TFB, 4/17 Dakota LMS, Fillmore NBO, Freeborn AEB. Early north 4/29 (median) Mille Lacs RBJ, DAC, 5/4 Kanabec CAM, Mille Lacs ASc. High counts 5/19 Hennepin (30) CDu, 5/17 Steele (25) PSu, 5/8 Ramsey (24) MDu.
2010Summer3049 Found statewide. First county breeding records from Cook ARu, Yellow Medicine PME.
2010Fall1640 High counts 8/8 Dakota (6) RTe, 8/16 Ramsey (6) NMa. Late north 9/19 Polk SAu, St. Louis IHu, 10/10 Pine MHe, a week past the 10/3 median. Late south 10/10 Hennepin (Wood Lake N.C.) BAF, 10/18 Lac qui Parle BJU, (median 10/14).
2011Spring3153 Early south (median 4/17) 4/3 McLeod (Brownton) LS, 4/17 Hennepin SKS, 4/22 Rice DAB. Early north (median 4/29) 4/28 Morrison FGo, 5/6 Lake JWL, Otter Tail ARo, St. Louis ALo. High count 5/23 Steele (22, Saco Farm Woods & Fields) PSu.
2011Summer3453Reported from every county in state. First county breeding record from Wadena CCa. High count 7/4 Dakota (25) TAT.
2011Fall2146 High count 8/14 Washington (25, Grey Cloud Dunes S.N.A.) ACr. Late north 10/7 Douglas JPE, 10/13 Mille Lacs (Mille Lacs Lake) RBJ (median 10/3). Late south 10/13 Carver (Carver P.R.) JCy, 10/16 Hennepin SLC (median 10/14).
2012Spring3051 Early south (median 4/17) 4/11 Rice TFB, 4/18 Winona NSg, 4/19 Washington (2) KEn. Early north (median 4/29) 4/28 Itasca SC, Kanabec RAE, 4/29 Pine JPr. High count 5/13 Steele (18) PSu.
2012Summer3453 Reported from all counties. High county 6/13 Goodhue (20, Prairie Island Conservation Area) GJM. First county breeding records for Big Stone AXH, Waseca PCo, Wilkin CCa.
2012Fall1947 High counts 8/8 Dakota (20, Hastings S.N.A.) DVe, 8/20 Washington (13, Lake Elmo R.P.) BTw. Late north 9/24 Polk SAu, 9/26 Todd JLK, 9/29 Lake HHD, RAE, Otter Tail (2) JSw, JsS (median 10/3). Late south 10/13 Hennepin (Bass Ponds) GJa, 10/14 Hennepin (T. S. Roberts Bird Sanctuary) EBa, 10/15 Hennepin (Staring Lake Park) GJa (median 10/14).
2013Spring2750 Early south (median 4/17) 4/18 Hennepin (3) ESe, 4/19 Dakota GJa. Early north (median 4/29) 5/8 Otter Tail ARo, St. Louis ANy, 5/11 Morrison MJB. High counts 5/8 Hennepin (17) CMB, 5/9 Carver (15) JCy.
2013Summer3453 Reported from every county. First county breeding records from Lake of the Woods AXH, Mower CCa, Roseau DKb, Sibley CCa.
2013Fall2149 High counts 8/27 Ramsey (16) AxG, 8/2 Washington (13) JHg. Late north 10/2 Lake ECo, 10/4 Itasca EEO, 10/8 Todd JLK (median 10/3). Late south 10/13 Freeborn ANy, 10/16 Olmsted LAV, 10/19 Hennepin TAT (median 10/14).
2014Spring2853Early south (median 4/17) 4/16 Rice CEw, 4/20 Ramsey SWl, Rice TAs, Washington JLM. Early north (median 4/29) 5/6 Otter Tail DST, Polk VLa, SAu, 5/7 Clay RHO. High count 5/18 Steele (24) PSu.
2014Summer3350Found in every county except Cook, Jackson, Waseca, Watonwan. High count 6/4 Goodhue (23, Prairie Island Conservation Area — Lower Island) GJM. First county breeding records from Steele PSu, Traverse BBi.
2014Fall2846 High counts 8/11 Goodhue (12) GJM, 8/13 Steele (12) PSu. Late north 10/3 St. Louis ClN, 10/6 St. Louis JLK (median 10/3). Late south 10/8 Wright ToL, 10/14 Scott HCT, 10/18 Washington JSf (median 10/14).
2015Spring2952 Early south (median 4/17) 4/17 Dakota STo, SWl, Fillmore NBO, Rice TFB, 4/18 Houston KKB, ICF. Early north (median 4/29) 5/1 Douglas ToR, BEc, 5/2 Hubbard JEB, 5/3 Crow Wing EGa, Mille Lacs KMa, Todd JLK. High counts 5/15–22 Steele (18) PSu.
2015Summer3352 Found in all counties except Chippewa, Lake.
2015Fall2651 High counts 8/27 Carver (13) JCy, 8/8 Steele (12) PSu, 8/18 Washington (12) CEH. Late north 10/1 St. Louis AM, 10/2 Lake KRE, DFe, RZi, ALo, 10/4 Polk SAu (median 10/6). Late south 10/13 Ramsey CHi, 10/14 Washington ERH, 10/16 Sherburne MSk (median 10/18).
2016Spring3252 Early south (median 4/17) 4/16 Dakota RaM, Ramsey RMD, SWl, 4/17 Hennepin MHu, Olmsted LNe. Early north (median 4/30) 5/1 Polk NWi, 5/4 Morrison DLP, DSt, Otter Tail DST. High counts 5/15 Steele (19) PSu, 5/16 Ramsey (19) JDv.
2016Summer3252 Found in all counties except Mahnomen, Redwood, Wilkin. High count 7/6 Dakota (21, Lebanon Hills R.P.) MKe.
2016Fall2952 High counts 8/11 Steele (14) PSu, 8/17 Steele (13) PSu. Late north 9/24 Norman ShG, HeH, 9/28 St. Louis CGw, 10/8 Clay MO (median 10/6). Late south 10/16 Hennepin CWB, 10/20 Hennepin DCZ, 10/28 Ramsey MJM (median 10/18).
2017Spring3253 Early south (median 4/17) 4/14 Houston SHo, 4/15 Dakota DAT, Fillmore WCM, Olmsted RMa, Rice TFB. Early north (median 4/30) 4/25 Crow Wing EGa, 4/26 Todd JLK, 4/27 Otter Tail WPl. High counts 5/26 Dakota (26, Lebanon Hills R.P.) JMg, 5/6 Ramsey (25, Crosby Farm R.P.) AGu.
2017Summer3453 Reported from all counties. High count 7/8 Murray (35, Lake Shetek S.P.) KnM, ASu, LiH.
2017Fall2352 High counts 8/2 Carver (15, Carver P.R.) JCy, 8/4 Olmsted (15, Rock Dell W.M.A.) MiD, 9/6 Carver (15, Rapids Lake) JCy. Late north 10/6 Kanabec RSA, 10/8 Clay PBB, Lake JWL (median 10/6). Late south 10/15 Washington JDS, 10/16 Hennepin CMB, BAF, 10/18 Hennepin CMB (median 10/18).
2018Spring3453 Early south (median 4/17) 4/18 Hennepin ASu, LiH, 4/22 Rice NiR, Yellow Medicine GWe. Early north (median 4/30) 4/30 Morrison FGo, 5/1 Carlton HGe, Clay CMk, Crow Wing PSP, Douglas ToR, St. Louis JLK. High counts 5/12 Rice (28, Cannon River Wilderness Area, West Unit) JiP, 5/22 Steele (28, Somerset Twp.) PSu, 5/10 Rice (25, Carleton College Arboretum, Lower Arboretum) NiR.
2018Summer3453 Found in all counties.
2018Fall2953 High counts 8/6 Carver (20, Carver P.R.) JCy, 8/13 Steele (18) PSu, 8/16 Lyon (17) NMe. Late north 10/4 Cook ebd, St. Louis KSz 10/5 Clay TCL, MO, 10/6 Clay ebd, Kanabec SPS (median 10/6). Late south 10/19 Hennepin TAT, 10/21 Carver JCy, 10/23 Hennepin (Wood Lake N.C.) BAF, 11/3 Hennepin (New Hope) ph. JBn (median 10/18).
2019Spring3453 Early south (median 4/17) 4/15 Hennepin ebd, 4/16 Washington GaJ, 4/18 Faribault BAy. Early north (median 4/30) 4/20–21 Todd TLu, 4/27 JDz, 4/28 Becker HeH, ShG. High counts 5/15 Rice (30, Carleton College Cowling Arboretum) ebd, 5/15 Steele (26) PSu.
2019Summer3453 Reported from all counties. High count 6/29 Wright (31, Pelican Lake) RCl.
2019Fall3153 High count 8/3 Carver (24, Minnesota Valley N.W.R., Rapids Lake) JCy. Late north 10/3 Douglas JLK, 10/6 St. Louis GWe, 10/8 Pine KrM (median 10/6). Late south 10/19 Carver JCy, 10/20 Watonwan BTS, 10/22 Hennepin ebd (median 10/18).
2020Spring3253 Early south (median 4/17) 4/2 Fillmore ToM, 4/16 Brown ebd, 4/18 Dakota AJF, Goodhue EAa, Ramsey BNW, NV. Early north (median 4/30) 4/28 Becker HeH, ShG, Polk ebd, 4/29 Pine LEv, 4/30 Todd RLF, REn. High counts 5/13 Rice (28, west side of Cannon River Wilderness Park) DAB.
2020Summer3453 Reported from all counties. High counts 7/18 Meeker (35, N. Fork Crow River by canoe, Kingston to Wright County line) MJB, 7/23 Rice (31, Nerstrand Big Woods S.P.) BHe.
2020Fall3053 High counts 8/30 Washington (25) BDo, LiH, 8/2 Carver (22, Minnesota Valley N.W.R., Rapids Lake) JCy, 8/4 Freeborn (20, Myre Big Island S.P.) ebd. Late north 10/6 Todd RLF, REn, 10/8 Lake JWL, 10/10 St. Louis ebd (median 10/6). Late south 10/16 Rice DFN, 10/17 Dakota ebd, Goodhue ebd, Hennepin AKz, Ramsey ebd (median 10/18).
2021Spring3353 Early south (median 4/17) 4/16 Blue Earth ebd, 4/17 Anoka ebd, Blue Earth SaR, 4/18 Hennepin BBr. Early north 4/3 St. Louis (Park Point) †JLK, 5/1 Crow Wing ebd, Pine TJo, Polk HHu, St. Louis JLK. High counts 5/17 Olmsted (31, Quarry Hill N.C.) ebd, 5/26 Lyon (21, Camden S.P.) ebd.
2021Summer3453 Found in every county. High counts 6/7 Ramsey (35, Crosby Farm R.P.) MaS, 6/15 Murray (22, Lake Shetek S.P.) ebd.
2021Fall2752 High counts 8/3 Hennepin (21, Fort Snelling S.P.) ebd, 8/3, 8/21 Steele (12) PSu, 8/28 Pipestone (12, Split Rock Creek S.P.) VKl, Late north 10/3 Wilkin REn, RLF, 10/10 Clay ebd, 10/14 Mille Lacs SMC (median 10/6). Late south 10/14 Sherburne LiH, 10/16 Dakota ebd, 10/17 Anoka ebd, Hennepin ebd (median 10/17).
2022Spring3353 Early south (median 4/17) 4/15 Dakota AnB, MwT, 4/16 Hennepin (Minnesota Valley N.W.R., Bass Ponds) ebd, 4/17 Hennepin (Plymouth) ebd. Early north (median 4/30) 4/24 Otter Tail ebd, 4/24–26 St. Louis (Western Waterfront Trail) ebd, JLK, 4/28 Carlton JLK. High counts 5/11 Houston (20, Mound Prairie Twp.) ebd, 5/14 Carver (20, Minnesota Valley N.W.R., Rapids Lake) JCy, 5/17 Houston (20, Beaver Creek Valley S.P.) ebd.
2022Summer3453 Found in all counties. High counts 6/28 Ramsey (est. 30, Fort Snelling S.P., Pike Island) LAi, 6/30 Dakota (29, Lebanon Hills R.P.) ebd.
2022Fall3053 High counts 8/21 Ramsey (20, Crosby Farm R.P.) ebd, 8/22 Hennepin (14, T. S. Roberts Bird Sanctuary) JCa, 8/23 Ramsey (14, Snail Lake R.P.) LiH. Late north 10/8 Pine ebd, St. Louis (Grassy Point) NGi, 10/8–10 St. Louis (Park Point R.A.) JWL, NGi, JLK, 10/15–17 Polk (Red River S.R.A.) ebd, TJJ (median 10/6). Late south 10/16–17 Ramsey AnA, ebd, 10/17 Hennepin DSh, 10/21 Goodhue MJM (median 10/17).
 
 Breeds 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.