Seasonal Report Archive for The Loon - Martins, Swallows 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: Martins, Swallows
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Purple Martin
Barn Swallow
Cliff Swallow

Northern Rough-winged Swallow(Stelgidopteryx serripennis)
YearSeasonNS
1930SummerThe writer found a nest with four eggs on May 23rd at Minneapolis and one loTith four young near Ebcoelsior on July 5th, the earliest and latesto A nest found by Marius Morse Robbinsdale, June 8th, held seven eggs.
1931SummerA. ·nest· with thrse egge on May 30th (StruU.ey Stein);. three nests reported on June 24th, contents unknown.
1932SummerThe earliest nest 'olms found en May 28th by Stanley St~In it reposed 2 white eegs. Whroe nests wore found by Mr. Swedenborg, thu latest on June 25th, when the yount:; were about a week old.
1933Summer Six breeding records of this spocius obtained. Swedenborg furnishes us the £irst infornation, that of n nest found noar Minneapolis on June 3rd which contained 3 eggs. Himaenz reports the last, £ound near St.. Cloud on June 26th. It harbored 5 newly-·· · hatched young.
1934Summer Although Hiemenz found these bi!rds building near st. Cloud, as early as May! 1,7th, no occupied nests were reported before June 3rd, when Risser and Rysgaard, those redoubtable ramblers, imrestigated a nest containing 6 eggs. A nest with 5 eggs, found ncar St. Cloud on Juno 19th by Hiomonz, tvns the la.tost recorded.
1935Summer Dr. Prosser found many of these birds at work April.30th, tunnelling into a bank nenr a lake in Anoka Co1mty, On July 21st, Breckenridge so.w young not in tho nest, but 3 largo young seen by Swodenborg had not left thc~:l~r nest July 28th.
1936Summer The records for this species o.re limitc;Jd to two. :tt. D. Swedenborg observed this species building on Mo.y 17th; (h;mrge Rysgaard found a nest of six eggs on June 8th.
1937SummerOn June 21 Upson found two nests in Min­neapolis; one held an undetermined num­ber of young, ~he other, five eggs.
1938SummerK. Carlander found several nests of eggs near Frontenac on May 20. A pair of rough­ wings, building in a kingfisher's runway near Lake Vermillion on June ro, were observed by Dr. Prosser and Mr. Swed­ enborg.
1943SummerJune 24, eggs lllnd young, Leech Lake. K. Carlander. 8 nests, June 22, Dakota County. Bros. Lewi,s and Pius.
1944Summer52. May 13, excavating, Fort Snelling; June 21, building; St. Paul, Hofstead. Brother Hubert and Brother Pius es­timated that 50 were using drain tiles for nesting, on May 16, Fort Snelling.
1945Summer1 nest, Ramsey Co., May 30, and 2 nests Washington Co., June 3, Russell Hofstead; 4 nests, Washington Co., May 20, many at Ft. Snelling, May 26, Brother Hubert.
1961SummerForest Strnad banded five young near Kasson on 28 June. R. Huber banded four young near Winona an 1 July.
1962SummerJuly 8, St. Paul, one young being fed by adult, R. Huber. II
1964Spring4-18 Goodhue Co, RBJ; 4-22 Anoka Co, LJ; 4-25 Chippewa Co, RG; 4-26 Duluth, DM; 4-26 Stearns Co, RPR; 5-6 Hennepin Co, MAS.
1964Summerbreeding Ramsey Co, ELC and Fargo-Moorhead, EGA.
1964Fall9-23 Washington Co, ACR; 9-27 Mpls, RBJ; 10-10 Mpls, HFH.
1965Springearliest 4-20 Henepin Co, RDT.
1965Falllatest 9-3 Ramsey Co, 15, ACR and 9-19 Stearns Co, 25, NMH.
1966Springearliest 4-20 Winona, GD, GG, FV; 4-23 Minneapolis, EMB and Goodhue Co, RBJ; 4-29 Scott Co, EHH, Hennepin Co, DB.
1966Summerreported from Jackson, Goodhue, Faribault, Stearns, Marshall, Ramsey, Pope, St. Louis, ClearWater, Stearns, Rice, Grant, Dakota, Carver and Wright Co's.
1967Springearly 4-9 Chisago Co., ACR; 4-16 Anoka Co., MHM; 4-18 Hennepin Co., FN/MAS; 4-20 Stearns Co., RPR.
1967Summerreported from Ramsey, Carver, Hennepin, Crow Wing, Washington Co's.
1967Fall latest 8-15, 8-29 Washington Co., DS; 9-10 Washington Co., WWL.
1968Spring early 4-20 Dakota Co., DB; 4-21 Houston Co., FL; 4-25 Stearns Co., KE; 4-28 Carver Co., EMB.
1968Summer nested in Lyon Co; also reported from Clearwater, Washington, Hubbard, Douglas, Cottonwood, Lake (JCG), Jackson, Morrison, Clay, Anoka, Rice, Pine, Winona Co's.
1968Fall8-11 Carver MHM; 8-22 Cottonwood LAF.
1969Spring4-10 Winona Co., BT; 4-23 Carver Co., THH; 5-8 Duluth, PBH; 5-15 Morrison Co., LSR; 5-24 (15) Blue Earth Co., CKS.
1969Summerreported from Winona, Goodhue, Washington, Ramsey, Rice, Swift, Nobles, Cottonwood, Morrison, Mille Lacs, and Clay, Mahnomen, and St. Louis Co's., in the north.
1969Fall8-1 Chisago 15 EL; 8-2 Winona BTV; 8-19, 9-7 Wright 15+ and 1, ETS.
1970Springearly south 4-1 S. Goodhue KE; 4-17 Hennepin GES; 4-18 Redwood RG; early north 4-26 Duluth KE, PE; 4-30 Duluth MMC.
1970Summernes ted in Morrison, Wright, Winona, and Hennepin Co's; northe ast records where the bird is irregul ar include Duluth, Lester River, a10d Clifton Twp. in St. Louis Co.
1970Fallonly report north 9-10 Duluth JG ; late south 9-12 Stearns MC; 9-25 Winona TV; 9-29 Hennepin VL; peak 9-10 Mcleod (100) FN; also on 10-4 LF reported a flock of 2000 swallows in Brown Co. which she identified as Rough-winged; this would be an unusual date and concentration; JG feels that they were immature Purple Martins; we think they were immature Tree Swallows: LF said: "They all looked more or less alike, muddy brown breasts and sides with brown backs."
1971Springearly south 4-16 Washington BL; 4-17 Winona TV; 4-18 Cottonwood LF; early norih 5-5 Duluth KE, RR; 5-11 Morrison LR.
1971Summernested in Lake; also reported from 13 other counties.
1972Summernesting reported in 4 counties; seen in 13 other counties as far north as Duluth and Clearwater.
1973Summer Nested in Clay, St. Louis; seen in 17 other counties, including Kittson.
1974Spring Early south 4-11 Rock DR; 4-13 Rock KG; 4-19 Le Sueur GR· early north 4-30 Morrison LSR· 5-4 Clay LCF. '
1974Summer Nested in Washington; also reported from 21 other counties.
1974Fall Late 9-29 Wright ES; 10-7 Freeborn DG; 10-11 Hennepin VL.
1975Fallno reports north late south 9-15 Washington DGW; 9-25 Goodhue CF; 10-4 Hennepin ES.
1976Summernested in St. Louis and Chisago; also reported from 20 other counties including Lake and Cook.
1976Fall Late north 8-28 Duluth, 9-18 Otter Tail GO; late south 9-11 Rock, 10-2 Goodhue, 10-11 Hennepin.
1977Summer Reported from 22 counties throughout the state.
1978Summer Breeding reported from Stearns; also seen throughout the state.
1978Fall Late north 9-2 Duluth RJ; late south 9-17 Lac qui Parle CMB, 9-28 Hennepin VL. Barn Swa1llow Late north 9-24 Otter Tail NJ, 10-1 Otter Tail GM; late south 10-13 Swift DB, 10-28 Washington DS.
1979Spring Early south 4-14 Le Sueur EB, 4-15 Le Sueur HFC; early north 4-19 Beltrami JM, 4-20 Otter Tail KE.
1979Summer Breeding reported from Otter Tail, Stearns, Anoka; also seen throughout the state except Lake, Cook.
1979Fall Eleven reports, late south 9-16 Olmsted JF, 10-10 Hennepin VL, Lac qui Parle CMB.
1980Spring Early south 4-5 Wabasha WDM, 4-6 Martin EB, 4-13 Hennepin TL; early north 4-19 St. Louis SNF, 4-23 Otter Tail GW, SM.
1980Summer Breeding reported from Stearns; seen also throughout the state except the Northeast Region where reported only from Duluth.
1980Fall Late north 9-18 Otter Tail GW, 10-4 SM, 10-19 St. Louis LW; late south 9-21 Houston JP, 10-3 Nicollet JCF, 10-4 Hennepin OJ, 10-5 Wright ES.
1981Spring Early south 4-4 Dakota KG, 4-11 Wabasha BL, Houston FL, 4-15 Lyon HK; early north 4-22 Otter Tail SM, 5-3 Beltrami JP.
1981Summer Breeding data from COOK, Clearwater, Morrison. Seen throughout the state.
1981Fall Late north 8-18 Cook KMH, 9-11 Wilkin KL, 10-11 Otter Tail GW; late south Hennepin 9-25 ES, 9-29 DB, 10-2 RA, 10-12 SC.
1982Spring Early south 4-15 Houston EMF, 4-16 Olmsted BE, 4-17 Rice KJ, 4-21 Hennepin SC, RH, 4-22 Ramsey BL, BDC; early north 4-14 Otter Tail SDM, 4-24 Mille Lacs AB, 4-28 St. Louis KE, JG, 5-1 Carlton LW. ·
1982Summer Seen throughout the state.
1982Fall Late north 8/28 Wilkin OJ, DB; late south 9/21 Hennepin VL, 9/22 AB, I0/8 SC, 9/18 Nicollet JCF, 10/2 Brown JSp.
1983Spring Early south 4/19 Sherburne EHISS, 4/20 Ramsey RH, Houston EMF, 4/21 Anoka SC, 4/22 Nicollet JCF; early north 4/20 Otter Tail SDM, 4/23 Douglas RJ, 4/30 Lake of the Woods TW, St. Louis TL, Clearwater, A B.
1983Summer Breeding data from Lake, Clearwater, Mahnomen, Morrison, Stearns. Seen throughout the state.
1983Fall Late north 9/2S Clay LCF, 10/12 Pine RG; late south 10/1 Lyon RJ, 10/2 Washington DS, 10/3 Brown JSp, 10/16 Dakota MW, 10/17 Hennepin SC.
1984Spring Early south 4/15 Houston EMF, 4/16 Hennepin SC, 4/21 Nicollet JCF, Ramsey RH, 4/24 Dakota JD; early north 4-8 Clay LCF, Otter Tail 4/18 GMO, 4/19 SDM, 4/22 Roseau AJ.
1984Summerseen in 30 counties.
1984Fall Late north 9/9 Clay LCF; late south Hennepin 10/8 DB, 10/24 SC, 10/20 Houston FL.
1985Spring Early south 4/13 Goodhue JD, Olmsted AP, JEB, Dakota ITu, Mower RRK, 4/14 Cottonwood WH, Dakota DZ, 4/15 Ramsey KB 4/16 RH, 4/16 Hennepin VL, RJ; early north 4!17 Otter Tail SDM, 4/21 Clay LCF, 4/23 St. Louis SS, 4/27 Clearwater MM; most reports 4/13 to 21.
1985Summer Nested in St. Louis (Ely), Ramsey (KB), Dakota (RHo); probable nesting in Roseau, Crow Wing, Mille Lacs. Also seen in 23 other counties in all regions, but scarce in the northeast and north central.
1985Fall Late north 9/20 St. Louis DB!, 9/29 Clay LCF; late south 10/16 Hennepin SC, 10/12 Brown JS.
1986Spring Early south 4/2 Olmsted RE, 4/8 Ramsey KB, 4/10 Hennepin TTu; 4/11 Brown JS; early north 3/29 Marshall ANWR, 4/6 Traverse GAM, 4/22 Otter Tail SDM, 4/26 Carlton LW.
1986Summer Nested in Brown (JSp); probable nesting in Koochiching, Anoka, Dakota. Also seen in 28 other counties in all regions.
1986Fall Late north 8/30 Polk AB, 9/14 Clay LCF; late south 9/30 Hennepin DB, 10/18 Scott BL.
1987Spring Early south 4/17 Houston FL, 4/18 Brown JS and Olmsted RSE, 4/19 Big Stone KB; early north 4/16 Wilkin GAM, 4/26 Clay LCF and Duluth KE, 4/30 Clearwater MM.
1987Summer Nested in Dakota. Also seen in 32 other counties in all regions.
1987Fall Late north 8/29 Clay LCF; late south 9/6 Brown JS, 9/23 Fillmore AP, RJ, 10/10 Hennepin SC.
1988Spring Early south 4/6 Ramsey RH, 4/9 Winona AP, 4/10 Hennepin DZ; early north 4/24 Clay LCF, 4/30Todd PH and Carlton LW, 5/1 Otter Tail SDM.
1988Summer Nested in Todd (PH), Steams, Rice, Goodhue (AP); probable nesting in Traverse. Seen in 39 other counties statewide except northeast and north central.
1988Fall Late north 9/15 Todd PH, 9/25 Clay LCF; late south 9/17 Brown JS, 9/25 Blue Earth AB, 10/5 Hennepin SC.
1989Spring Early south 4/15 Washington DZ, 4/17 Ramsey AB, 4/18 Fillmore NAO and Goodhue APr; early north 4/17 Otter Tail SDM, 4/21 Todd PH, 4/23 Clay LCF.
1989Summer Nested in Lake, Todd; probable nesting in Marshall, Fillmore. Seen in 28 other counties in all regions except west central; scarce in north central.
1989Fall Late north 9/17 Clay LCF, 9/28 Todd PH; late south 9/4 Fillmore NAO, 9/24 Winona CS, 10/5 Hennepin SC.
1990Spring Early south 4/18 Winona RJ, 4/20 Blue Earth BB, MF and Houston EMF, 4/22 Brown JSp and Washington RA; early north 4/20 Todd PH, 4/22 Clay LCF, 4/23 Carlton MSt.
1990Summer Probable nesting in Clearwater, Otter Tail, Crow Wing; seen in 31 other counties south of Clearwater, plus Lake.
1990Fall Late north 8/22 Itasca AB, 9/22 Otter Tail MO, 9/23 Clay LCF; late south 8/26 Hennepin EL, 9/8 Blue Earth EK, 9/14 Lac qui Parle CMB and Washington WL.
1991Spring Early south 4/6 Cottonwood ED, 4/8 Dakota RG, 4/14 Washington TEB ; early north 4/21 Otter Tail SDM, 4/28 Clay LCF, 5/2 Beltrami OJ.
1991Summer Relatively few reports. Probable nesting in Clearwater, Crow Wing; seen in 26 additional counties statewide.
1991Fall Late north 9/15 Clay LCF, 9/22 Otter Tail MO; late south 9/4 Washington WL, 9/6 Pipestone JP, 9/29 Wright KB.
1992Spring Early south 4/17 Hennepin SC, 4/18 Goodhue DZ, 4/20 Dakota JD; early north 4/19 Clay LCF, 5/2 Clearwater DJ, 5/7 Beltrami DJ.
1992Summer Nested in Crow Wing, probable nesting in Marshall; seen in 34 other counties statewide.
1992Fall Late north 9/6 Becker DJ, 9/13 Otter Tail MO, 9/20 Clay LCF; late south 9/12 Nicollet MF, 9/25 Anoka DS, 9/27 Hennepin TT and Le Sueur PS.
1993Spring Early south 4/21 Washington TEB, 4/22 Hennepin OJ and Rice TB. Early north 4/27 Otter Tail CS/KC, 4/28 Traverse PS, 5/2 St. Louis SS.
1993Summer Nested in Aitkin WN, Dakota; probable breeding in Crow Wing, Hennepin, Washington. Seen in 26 other counties statewide.
1993Fall Late north 9/4 Aitkin WN, 9/14 Marshall KSS, 9/19 Clay LCF. Late south 9/5 Jackson KB, 9/15 Olmsted JB, 10/3 Hennepin TT.
1994Spring Early south 4/10 Houston EMF, 4/13 Dakota RH and Winona CS, 4/15 Olmsted JBo; early north 4/20 Red Lake KSS, 4/23 Clay LCF and Polk DJ, 4/27 Grant SDM.
1994Summer Nested in Winona JPo, Aitkin; probable nesting in Crow Wing, Kandiyohi, Fillmore. Observed in 24 other counties in all regions.
1994Fall Late north 8/6 Roseau PS, 8/21 Aitkin WN, 8/26 Pennington KSS. Late south 9/18 Hennepin TT, 9/22 Dakota KB, SC, 9/24 Houston JD.
1995Spring Early south 4/7 Winona CS, 4/15 Hennepin DN, 4/16 Olmsted CK; early north 5/8 Kanabec CM, Norman BK and Polk SKS, 5/9 Beltrami DJ, 5/10 St. Louis AE.
1995Summer Nested in Dakota; probable nesting in seven counties. Seen in 25 additional counties throughout state.
1995Fall Late north 9/3 Aitkin MG, 10/8 (third latest north) Otter Tail SDM. Late south 9/8 Hennepin TT, 10/6 Hennepin PBu.
1996Spring Early south 4/12 Goodhue RJ, 4/13 Winona CS, 4/14 Hennepin PBu. Early north 4/21 Otter Tail WM, 5/1 St. Louis NJ, 5/3 St. Louis AE.
1996Summer Probable nesting in Washington; observed in 29 other counties in all regions.
1996Fall Late north 8/3 Kittson and Roseau PS, 8/24 Aitkin WN, 8/31 Carlton LW. Late south 9/24 Brown JSp, 9/30 Dakota (12) TT, 10/4 Hennepin RH.
1997Spring Early south 4/16 Washington TEB, 4/18 Anoka KB, 4/19 Hennepin RH. Early north 4/21 Otter Tail SDM, 4/25 St. Louis AE, 4/26 Aitkin WN.
1997Summer Seen in 33 counties in all regions of state; probable nesting in Washington, Dakota, and in Brown.
1997Fall Representative late north 9/13 Clay CN. Late south 10/4 Hennepin RJ, 10/10 Hennepin TT.
1998Spring Early south 4/16 Rice TBo, 4/17 Ramsey (3) TT, 4/17 Olmsted CK. Early north 4/20 Otter Tail SDM, 4/27 St. Louis AE.
1998Summer Probable nesting in Freeborn, Houston; seen in 26 other counties in all regions except northwest.
1998Fall Only north report after August: 9/3 Wadena PBi. Late south 9/25 Dakota TT, 10/2 Anoka RH, 10/3 Lyon RgS.
1999Spring Arrived south on time, but few north reports. Early south 4/11 Hennepin TT, 4/14 Rice TBo (recent median 4/15). Only April report north: 4/25 Douglas ABo.
1999Summer Observed in 31 counties statewide.
1999Fall Late north 8/21 Grant CMa and Wadena PBi, 8/28 Grant SL; compare these to the recent median departure date (9/20). Late south 9/21 Hennepin SC and Meeker CMa, 10/1 Hennepin PBu.
2000Spring Reported from 29 south and 11 north counties in all regions, but only Clay in northwest and St. Louis in northeast. Early south (where recent median 4/14) 4/6 Carver RTD, then 4/13. Arrived north on time, where first seen 4/21 in three counties. Peak 5/31 Dakota (180) NWi.
2000Summer Most reports since 1988; observed in 42 counties statewide.
2000Fall Very scarce! Only four reports north, the latest of these 8/5 St. Louis TPW (recent median north departure date 9/19). More numerous south, where reported from 10 counties, but still noted as scarce. Only two reports after mid-September: 9/18 Dakota (15) TAT and 10/1 Meeker DMF. High count 9/9 Blue Earth (30) LWF.
2001Spring Reported from 34 south and 18 north counties. Early south (median 4/13) 4/4 Fillmore NBO, then daily arrivals 4/7–10. Early north 4/20 Otter Tail DKM, 4/30 Beltrami DPJ.
2001Summer Reported in 31 counties in all regions except Southwest.
2001Fall Only north report: 8/19 Wadena PBJ, well before recent median north departure date (9/17). Even scarcer than in Fall 2000 (four north reports last year). Seen in 15 south counties; late south 9/25 Brown JSS and Renville CRM, 9/29 Dakota TAT.
2002Spring Seen in 32 south and 15 north counties. Early south 4/7 Freeborn AEB, then daily arrivals 4/11–17. Early north 4/20 Lake JWL, 4/21 Otter Tail PHS.
2002Summer Reported in 38 counties statewide.
2002Fall Six north reports (cf. one in 2001); late north 8/31 Marshall CRM, 9/1 Polk SWe, almost two weeks prior to median departure (9/14). Four September reports south, then only 10/4 Dakota ADS, 11/6 (latest date on record) Scott †PEJ.
2003Spring Arrived within three days of recent medians south and north. Early south 4/14 Dakota KJB and Freeborn AEB. First north reports 4/17 Otter Tail SPM, DKM, then none until 4/29 Kanabec CAM. One report each from the Southwest (Redwood) and Northwest (Clay).
2003Summer Found in 34 counties statewide.
2003Fall Reported from five north counties, including 9/1 Marshall KRE et al. and Red Lake JMJ, almost two weeks prior to median departure (9/14). Total of 13 reports from 11 south counties. Only reports after mid-September: 9/20 Le Sueur ChH, 10/1 Houston FZL.
2004Spring Early south 4/11 Hennepin WCM, 4/15 Dakota BRL, 4/16 Goodhue JJS, Rice TFB. Early north 4/19 Otter Tail SPM, 4/21 St. Louis SLF, 4/25 Kanabec CAM. Both early arrivals one day prior to recent medians.
2004Summer Observed in 33 counties in all regions of state.
2004Fall All north reports: 8/27 Lake JWL, 9/4 Todd CAM, 9/8 Otter Tail JEB. South reports from Sherburne, Meeker, Rice, Hennepin, Winona and Fillmore in August, then only 9/7 Hennepin WCM — compare to median south departure (10/3).
2005Spring Early south 4/9 Scott RBJ, 4/11 Fillmore NBO, 4/14 Hennepin HCT (median 4/12). All April north reports: 4/23 St. Louis SLF, 4/24 Kanabec CAM (median 4/20). High count 67 in Fillmore (5/14 NBO).
2005Summer
2005Fall Reported from 5 north and 17 south counties. High count 8/13 Rice (20) DAB. Late north 8/24 Clearwater JEB, 9/4 Clearwater BJU (median 9/14). Few south reports after August: 9/17 Le Sueur ChH and Olmsted DAB, 10/7 Houston FZL (median 10/4).
2006Spring Present for one week south and three weeks north before first reports from western regions. Early south 4/7 Winona JMJ, 4/10 Rice TFB, 4/11 Dakota JPM. Early north 4/24 Crow Wing JEB, RBJ, 4/25 St, Louis SLF. First western reports 4/15 Lac qui Parle, 5/13 Otter Tail.
2006Summer Reported from 64 counties throughout state except northwestern corner.
2006Fall Reported from 5 north and 21 south counties. Only three north reports after 8/5: 8/12 Otter Tail HHD, 8/20 Cass (25) DAY, 8/30 Traverse BJU (median 9/8). Late south 9/28 Steele NFT, 10/2 McLeod CRM, JEB (median 10/3).
2007Spring1551 Early south 4/14 Anoka (8) CMa (median 4/11); peak migration 4/20–23 in ten counties. Early north 4/22 St. Louis DBF, SLF, 4/24 Douglas DAC, RBJ and Mille Lacs ASc (median 4/20); peak migration 5/4–9 in six counties.
2007Summer1839 Observed statewide.
2007Fall616 High count 8/14 Big Stone (27) BJU. All north reports 8/1 Cass BAW, 8/4 Pine LS, 8/6 Traverse BJU, 8/31 Polk, Red Lake BJU, 9/4 Traverse BJU, 9/15 Douglas DTT (median departure 9/6). Late south 9/11 Washington RBJ, 9/13 Sherburne RBJ, 9/23 Stevens RBW, well before 10/3 median.
2008Spring1945 Early south (median 4/11) 4/16 Hennepin WCM, Rice DAB, 4/17 Hennepin CMB, Rice TFB. Early north (median 4/20) 4/21 St. Louis FKB, 4/24 Traverse DBM, 4/27 Cass BAW, St. Louis SLF.
2008Summer1631 Reported statewide.
2008Fall320 All north reports 8/22 Otter Tail MJB, 8/23 Douglas, Otter Tail DMF, 8/29 Hubbard DBM (median late 9/6). Last south reports well before the 10/3 median: 8/27 Carver (Carver P.R.) JCy, 8/31 Sibley WCM, 9/12 Fillmore NBO, Lac qui Parle BJU, Murray RBW.
2009Spring2047 Early south (median 4/11) 4/3 Dakota JPM, 4/17 Stearns PCC, 4/18 Olmsted JWH, Rice DAB. Early north (median 4/20) 4/24 St. Louis DBF, 5/1 Douglas JPE, St. Louis EEO, NAJ, 5/2 Mille Lacs ASc, Traverse DPG.
2009Summer1533 Found in all regions except Southwest. First county breeding records from Isanti DPG, Lac qui Parle (bald and pink hours-old young in nest) AXH.
2009Fall114 Only two north reports, both a month after the 9/8 median departure: 10/8 Otter Tail CRM, 10/9 Otter Tail (5, Ottertail River, Fergus Falls) MO. Late south were also well after the median: 10/12–13 Carver (3) JCy, 10/28 Dakota (Black Dog Lake) ADS (median 10/3).
2010Spring1742 Early south (median 4/12) 4/13 Dakota JPM, Rice TFB, 4/16 Dakota CMB, MDu, Olmsted JWH. Early north (median 4/21) 4/17 Douglas JPE, 4/30 Cass BAW.
2010Summer2133 Seen in all regions of the state. First county breeding record from Douglas JPE.
2010Fall521 High count 8/20 Washington (25, Carpenter N.C.) JaH. Late north 8/20 Douglas and Grant (4) RTe, 9/1 Wadena DBM (median 9/6). Late south 9/7 Scott GLa, 9/8 Stearns STW, 9/15 Lac qui Parle BJU (median 10/3).
2011Spring2547 Early south (median 4/12) 4/8 Hennepin SLC, 4/10 Hennepin CMB, 4/13 Ramsey REH. Early north (median 4/21) 4/26 Grant RAE, 4/27 Crow Wing FGo, 5/5 Carlton FKB.
2011Summer2042Found in all regions of state. First county breeding records from Scott CCa, Wabasha CCa. High counts 7/6 St. Louis (20, Bear Island area) JLK, 7/8 Beltrami (20, Knutson Dam) JKe.
2011Fall623 High count 9/2 Washington (53, Carpenter N.C.) JHg. Late north 8/21 Traverse BJU, 9/5 Red Lake KRE, LS, CRM, 9/18 Grant BJU (median 9/6). Late south 9/17 Waseca JCC, 9/20 Lac qui Parle BJU, 9/23 Washington (15, Carpenter N.C.) JHg (median 10/3).
2012Spring2246 Two south arrivals both prior to previous record early date: 3/17 Redwood †SVo, (Willow Lake W.M.A.) SVo, 3/18 Carver (2, Rapids Lake) †JCy. Early north (median 4/21) 4/10 Otter Tail fide JMJ, 4/27 Kanabec JPr. High counts 5/11 Goodhue (65, Frontenac S.P.) BNW, 5/12 Winona (50, Whitewater S.P.) MDe.
2012Summer2745 Seen in all regions of state. High count 7/25 Chisago (25, along St. Croix River) RMa. First county breeding record from Murray SWe.
2012Fall727 Late north 8/28 Traverse BJU, 9/8 Clearwater MbH, 9/24 Traverse BWF, JWH (median 9/8). Late south 9/13 Washington (18) PAl, 9/15 Dakota (2) TAT, HSt, Lyon GWe (median 10/3).
2013Spring2040 Early south (median 4/12) 4/22 Dakota (three separate locations) ANy, CAs, GHo, Winona DBz, 4/24 Goodhue GJM, Houston DBz. Early north (median 4/21) 4/28 Otter Tail ALo, 4/29 Otter Tail JsS, JSw, 5/2 Mahnomen KMy, 5/3 Beltrami DPJ. High counts 5/10 Goodhue (100, Hok-si-la Park) JEc, 5/22 Goodhue (100, Prairie Island) DVe.
2013Summer2345 Seen in every region. First county breeding records from Fillmore fide BBA, Mower CCa, Red Lake DKb, Sibley CCa. High count 6/24 Goodhue (50, Lake Byllesby) KDS.
2013Fall928 High counts 8/27 Marshall (43) JLK, 8/17 Anoka (20) MSo, TKa. Late north 8/28 Polk JLK, 9/3 Otter Tail JsS, JSw, 9/5 Otter Tail JSw (median 9/6). Late south 9/13 Dodge LMS, 9/18 Washington PNi well ahead of the 10/2 median.
2014Spring1948Early south (median 4/12) 4/19 Hennepin GLa, CMB, 4/20 Dakota PEJ, JEd, DTr, Hennepin SC, DAB, AxG, Ramsey MSc, Rice TFB, Winona LHl. Early north (median 4/21) 4/22 Morrison ANy, 5/1 Becker ShG, HeH, 5/4 Clay PBB. High counts 5/11 Wabasha (70, Whitewater W.M.A.) RaJ, 4/21 Ramsey (50, Crosby Farm R.P.) MSc, 5/10 Winona (50, Whitewater S.P.) RaJ.
2014Summer1739Found in all regions of state. High counts 7/3 Fillmore (50, north branch of Root River) JDv, 6/9 Hennepin (20, Clifton French R.P.) RBu. First county breeding record from Sherburne PLJ.
2014Fall425 High count 8/31 Lyon (14) GWe. All north reports 8/1 Douglas BMu, 8/14 Morrison MRN, 8/15 St. Louis TRK, 9/2 Marshall JLK (median late 9/11). Late south 9/15 Sherburne TSh, 9/22 Goodhue GJM, 10/7 Goodhue GJM (median 10/3).
2015Spring2144 Early south (median 4/12) 4/12 Lyon GWe, 4/15 Nobles DHr, 4/16 Carver DAB, ANy, DBz. Early north (median 4/21) 4/21 Douglas JMs, 5/1 Crow Wing EGa, 5/6 Cass DeT, Crow Wing JPR. High counts 5/19 Hennepin (50, Old Cedar Ave. Bridge) PNi, 5/7 Dakota (40, 180th St. Marsh) DVe.
2015Summer1939 Observed in all regions. High counts 7/29 Washington (68, Grey Cloud Dunes S.N.A.) SBM, 7/15 Dakota (50, Mississippi River Lock and Dam 2) PNi. First county breeding record for Carver JCy.
2015Fall727 High counts 8/3 Lyon (20, Cottonwood Lake) GWe, 8/26 Dakota (20, 180th St. Marsh) DVe. Late north 8/24 St. Louis LME, 8/30 St. Louis AKO, 9/1 Otter Tail DBi (median 9/4). Late south 9/27 Redwood BTS, 10/3 Scott BAb, 10/4 Lyon GWe (median 9/30).
2016Spring2646 Early south (median 4/11) 4/13 Ramsey WRe, MRe, 4/14 Carver ANy, 4/15 Rice TFB. Early north (median 4/21) 4/24 Pine JWL, Wadena JWH, SC, ANy, 4/25 Mille Lacs JWH. High counts 5/14 Anoka (100, Cenaiko Lake) JKe, 5/14 Goodhue (100, Hok-Si-La Park) KeA, 5/24 Washington (50) NSa.
2016Summer2445 Observed in every region. High counts 7/20 Lac qui Parle (50, Lac qui Parle S.P.) MGo, 7/4 Olmsted (35, Olmsted County East Landfill) KHg, 7/21 Rice (35, Prairie Creek W.M.A., Koester Prairie Unit) JLt, BLt, 7/6 Washington (30, Otisville) MBw, 7/18 Stearns (30, Paynesville W.T.P.) KnM. First county breeding record 7/8 Benton DOr.
2016Fall1531 High counts 8/14 Sherburne (30, Sherburne N.W.R.) RCl, 8/13 Grant (25, North Ottawa Impoundment) ClN, 8/17 Sibley (25, Gaylord W.T.P.) RiC. Late north 9/2 Morrison MEm, KEm, 9/4 Wilkin JPr, JJS, 9/13 Morrison FGo (median 9/3). Late south 9/20 Wright JWl, 9/25 Houston DBz, 10/13 Houston RMD (median 10/1).
2017Spring2550 Early south (median 4/11) 4/8 Lyon GWe, 4/9 Rice TFB, Winona SHo, 4/11 Hennepin BAb. Early north (median 4/21) 4/17 Otter Tail fide JMJ, 4/22 Mille Lacs MJB, Otter Tail JSw, JsS, 4/25 Aitkin JLK, Todd TLu. High counts 4/30 Stearns (50, Lake Maria) LKo, 5/22 Hennepin (46, Mississippi Gorge R.P.) DSh.
2017Summer3047 Seen throughout state.
2017Fall1236 Only North-central report: 8/18 Lake of the Woods (8, Morris Point) AxB. High counts 9/5 Washington (50) ECl, 8/5 Lac qui Parle (48, Salt Lake) DnS, MWS. Late north 9/2 Otter Tail JsS, Pine RyC, 9/3 Otter Tail BAr (median 9/2). Late south 9/23 Sherburne PLJ, 9/24 Rice NiR, 9/27 Lac qui Parle TAT (median 10/1).
2018Spring2750 Early south (median 4/11) 4/11 Wright LiH, 4/13 Hennepin ASu, LiH, Washington KIs. Early north (median 4/21) 4/27 Grant ABL, 4/28 Grant ToR, Morrison TLu, AaL, Pine SBE. High count 5/17 Hennepin (60, Westwood Hills N.C.) BBr.
2018Summer2550 Seen throughout state. High count 6/30 Washington (68, 100th St. Marsh) ERH. First county breeding record 7/6 Steele PSu.
2018Fall1438 High counts 8/24 Freeborn (50, Albert Lea) ebd, 8/24 St. Louis (50, Park Point R.A.) JLK. Late north 8/31 St. Louis RBW, 9/8 Grant CNn, 9/22 Todd JLK (median 9/3). Late south 10/6 Le Sueur DWK, Olmsted MHn, 10/8 Carver JCy (median 10/1).
2019Spring2952 Early south (median 4/11) 4/14 Dakota TmG, 4/16 Ramsey LiH, 4/17 Houston SHo, Olmsted LAV, Washington GJa. Early north (median 4/21) 4/23 Crow Wing EGa, Pine KrM, 4/24 Grant WPl, Morrison TLu, St. Louis FJN, JPR. High counts 5/11 Goodhue (100, Frontenac) CMi, 5/11 Ramsey (70, Harriet Island Park) DSh.
2019Summer2650 Observed throughout state. High count 7/16 Goodhue (100, 3/0th St.) CDg.
2019Fall1638 High counts 9/6 Washington (40, Pioneer Drive Reservoir) ERH, 8/16 Grant (25, Herman W.T.P.) CNn. Late north 9/1 Douglas ANy, DBz, 9/3 Pine KrM, 9/5 Pine KrM (median 9/3). Late south 9/14 Lyon GWe, 9/18 Hennepin ABL, 9/22 Kandiyohi GWe, Rice MZa, NiR (median 10/1).
2020Spring2648 Several south arrivals prior to the 4/11 median: 4/1 Yellow Medicine GWe, 4/5 Houston REn, RLF, 4/10 Houston DSt. Early north (median 4/21) 4/22 Pine MJB, 4/23 Morrison AaL, CLu, 4/25 Crow Wing ebd, Pine KrM. High counts 5/25 McLeod (69, Schaefer Prairie) DSh, 5/10 Goodhue (60, Frontenac S.P.) MaS.
2020Summer2649 Observed statewide. High count 7/12 Washington (40, Grey Cloud Dunes S.N.A.) AGu. First county breeding record 7/16 Redwood GWe.
2020Fall1038 High counts 8/1 Goodhue (50, Frontenac S.P.) JkS, 8/13 Stearns (50, Albany W.T.P.) MtS, 8/30 Winona (50, Whitewater W.M.A.) ThN. Late north 9/3 St. Louis JPR, 9/5 Todd TLu, 9/10 Grant SDi (median 9/3). Late south 9/21 Lyon GWe, Olmsted GUn, CUn, Rice NiR (median 10/1).
2021Spring2949 Early south (median 4/11) 4/9 Winona LHl, 4/9–10 Scott BAb, 4/10 Blue Earth RLF, REn, Dakota MwT, Goodhue PEJ. Early north (median 4/21) 4/23 Pine (Pine City W.T.P.) KPJ, 4/26 Otter Tail (50) ebd, 4/28 Pine (Pine City) KrM. High counts 5/2 Rice (90, Circle Lake) NiR, 5/18 Winona (55, Bollers Lake) ebd.
2021Summer3151 Seen in every county except Cook, Itasca, Martin, Wadena, Waseca. First county breeding record: 6/27 Blue Earth REn.
2021Fall1340 High counts 8/15 Wabasha (50, Whitewater W.M.A.) ebd, 8/18 Pope (50) BEc, 8/17 Pine (40, Sandstone W.T.P.) SBE. Late north 9/3 Morrison ebd, 9/6 Otter Tail ebd, 9/9 Douglas ebd (median 9/3). Late south 9/26 Anoka ebd, 9/28 Hennepin ebd, 10/9 Carver ebd (median 10/1).
 
 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.