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
[Cave Swallow]
Bank Swallow(Riparia riparia)
YearSeasonNS
1930SummerThis species seans to nest in large colonies over most of the entire state. A nest at Minneapolis held five eggs on May 28th (the writer). The latest nest held young birds on June Z5th (Marius Morse). -34
1931SummerMar..y colonies reported by all observers. An adult noted excavating by Mr. Swedenborg on May 29th.
1932SummerA nest of this species which was started on May 11th cvntained 1 egg on May 18th (Downey 1 Eisele). The latest nests were found July 22nd, when several still harbored young (Swe~enborg).
1933Summer Fram data received on eleven colonies we find that the first investigatocl nest was cxanined on May 21st by Hiar.1onz, ncar Onania. This nest held 7 eggs. Our last date is supplied by Grincs, who exruninod a nest in Pennington County on Juno 13th, the contents of said nest being one newly-hatched young a.nd 5 eggs.
1934Summer The fix'st occupied nest o£ this grcge.rious species 't-ras reported by Risser, who found it on l4a.y 19th at Frontenac. Fivo eggs were hidden at the end &f this burrow. Nearly a month previously, on April 22nd.. Hr. and Hrs. Mahle, Jensen and Evans had watched a Bank Swallow carrying t1dgs. Mr. and Hrs • Swe;denborg found several nests with young on July 4th, our latest date.
1935Summer Swallot.rs of this species were r abuilding last yoar' s nest under a bridge in Anoka Connty Nay 22nd accord:Lng to Prosser. On May 19th Swedenborg saw a nest lined but empty • And on June 1st, he discovered nests with 2 and 4 eggs a.t Ona.mia. Erickson is la.st, for he eamo upon a nest with 4 eggs July 27th in Morrison County.
1936Summer Kenneth Caroander found the 11Sand Martins" nlrea.dy nesting on May 1.0th on which date they uere.;i.ncubo.t'ing eggs. E. D. Swedenborg observed them building on Nay 17th; he also fm.md nestling Bank Swallows on this date.
1938SummerA sand martin colony near Frontenac was examined on May 20 by Kenneth Carh.nd~r; it con­tained many nests of eggs. The nests were badly infested with bird fleas (Siphonap­tera). Bob Upson saw a large colony near Lake Traverse on June 7· In St. Louis County, Dr. Prvsser noted a colony,pn June r r. Mr. E. D. Swedenborg found a nest of young on July 7 at Minneapolis.
1940SummerC. Hero found a nest with an egg on May I9 ncar Ren· ville and approximately 50 nests at Fond du Lac on July I5. Lakela, Graybeal, Elwell, Maher and Hero saw approxi­mately 8o nests on July 7 at Cascade Falls in the Superior National Forest. At Sturgeon Lake on May 25, G. Rysgaard found a nest with 3-4 eggs.
1943SummerJune 24, Leech Lake. K. Carlander. May 8-29, 35 nests, near St. Paul. Bros. Lewis and Pius.
1944SummerApril 29, one nest and four excavations, Fort Snelling, Brother Hubert and Brother Pius. May 21, four eggs; June 27, 33 nests with young; Dakota County, Hofstead and Olson. June 22, one building, and one with two eggs, St.. Paul, Hofstead. Brother Hubert reports on an estimated 1,000 birds digging nests on June 23, Ramsey County.
1945SummerNest with eggs, Washington Co., June 3, nest with young, Dakota Co., July 3, Russell Hofstead; nest with eggs, Hennepin Co., June 8, Wallace E. Hamilton; 92 nests, Ramsey Co., May 26, 8 nests, Dakota Co., eggs and young Dakota Co., July 5, Brother Hubert.
1946Summer75 pairs, building and feeding young, June 18, Ramsey Co., Bro. Hubert. Almost any of our readers could have reported one or more additional colonies if they had taken the time to record and report them.
1947Summer50 pairs, 3 to 5 eggs in each nest, June 17, Lac qui Parle Co., Willis.
1961SummerDean Honetschlager reported a large colony north of Stillwater, Washington County, no date given.
1962SummerJune 19, Minneapolis, young heard in nesting cavities, adults banded, W. R. Pieper, R. Huber.
1963SummerNumerous nestings in St. Louis and Dakota Counties.
1963Falllatest, Oct. 5, Nicollet Co., W. R. Pieper.
1964Spring4-11 Lac qui Parle Refuge, RKO; 4-15 Ramsey Co, ACR; 4-19 Rochester, JPF; 4-25 Washington ton Co, IG; 4-26 Stearns Co, RPR; 5·6 Hennepin Co, MAS; 5·7 Anoka Co, LJ;
1964Summerbreeding in Clay (DM), Crow Wing (MSB) and St. Louis (FS) Counties.
1964Fall9-23 Washington Co, 6, ACR.
1965Springearliest 4-21 Rice Co, PE, CE, JB; 4-23 Lasota Lake, RB; next record 4-29 Collegeville, RPR.
1965Falllatest 9-9 Cokato, EC and Washington Co, 200, ACR.
1966Springearliest 4-20 Crow Wing Co, MSB; 4-22 Wabasha, DGM; 4-23 Dakota Co, MIG, Goodhue Co, RBJ, Minneapolis, EMB and Scott Co, JRR.
1966Summernested in Swift Co, colony of 200; also reported from Jackson, Nobles, Goodhue, Crow Wing, Morrison, Nicollet, Faribault, Wabasha, Stearns, Roseau, Ramsey, Carver, Rice, Stevens, Wright, St. Louis and Hennepin Co's.
1966FallLatest 9-10 Martin Co., RBJ; 9-11 Artichoke Lake, JAH. Rough -winged Swallow: 10-1 Yell ow Medicine Co., RBJ.
1967Springearly 4-21 Stearns Co., RPR; 4-22 Hennepin Co., RBJ; 4-28 Nobles Co., HSH.
1967Summernested Anoka, Lyon, Hubbard Co's; also reported from Wabasha, Hennepin, Morrison, Crow Wing, Beltrami, Pope, Washington Co's.
1967Fall latest 8-25 Wabasha Co., DGM; 8-29 Washington Co., DS; 9-16 Stearns Co., KE and Big Stone Co., JAH.
1968Spring early 4-20 Wabasha Co., DGM; 4-24 Stearns Co., KE, Carver Co., MHM; 4-30 Big Stone Co., JAH, Goodhue Co., DS, BLand Ramsey Co., RJC.
1968Summer nested in Cottonwood, Hubbard, Lake, Clearwater, Lyon, Rice, Swift, Anoka, Mille Lacs Co's; also reported from Stearns, Washington, Crow Wing, Sibley, Becker, Morrison, Clay, Hennepin, Wright, Winona Co's.
1968Fall8-23 -8-30 Blue Earth 1OO's in mixed flock EDK; latest 9-8 Wabasha DGM.
1969Spring4-23 Watonwan Co., EDK; 4-26 Wright Co., EIS; 5-7 (200+) Goodhue Co., FNj MAS, WKE; 5-14 (300-l) Goodhue Co., FN/MAS; 5-10 Kanabec Co., RHJ, and Mille Lacs Co., MI.
1969Summerreported from 22 coun ties throughout the state.
1969Fall8-18 Hennepin 30-40 VL; 8-20 Washington 6 WHL; 9-1 Carver TH; 9-6 Morrison RBJ; 10-5 Lyon KE.
1970Springearly south 4-25 Ramsey Jj; 4-26 Goodhue KE, PE; 4-27 Lyon HK; early north 4-22 Morrison LR; 5-11 Marshall AR.
1970Summernested in Morrison, Wright, and Mille Lacs Co's; 7-22 Wright, 1 25+ gathering for migratio n, ETS.
1970Fallonly report north 8-5 Duluth RL; late south 9-2 Wabasha WDM and Washington WL; 9-9 Stearns MC; 9-25 Hennepin VL.
1971Springearly south 4-17 Goodhue BL; 4-20 Lyon HK; 4-24 Goodhue KE, PE, DB; early north 4-26 Ottertail AMB; 5-1 Crow Wing JB.
1971Summernested in Wright, Hennepin and Lyon; also reported from 17 other counties.
1971Falllate south 9-3 Murrav; 9-25 Hennepin and Lyon; late north 9-24 Douglas; 10-3 Crow Wing. Rou!lh-win!led Swallow: onlv 3 reports: 8-6 Blue Earth LF; 8-29 Rice BDC; 9-25 Hennepin EM.
1972Summerbreeding cards from Stearns and Houston, nesting reported In 5 others; seen In 18 other counties.
1973Summer Breeding cards from Lake, Hennepin; reported from 20 other counties.
1973Fall Seen in six counties. Peak 9-2 Lac qui Parle (400) (AFE). Rough-winged. Swallow Seen in Stearns, Houston, St. Louis, Hennepin.
1974Spring Early south 4-11 Rock DR; 4-12 Rock KE; 4-19 Cottonwood LR; early north 4-22 Crow Wing TS; 4-25 St. Louis GJN.
1974Summer Nested in St. Louis, Washington, Winona, Le Sueur, Swift, Chippewa, Rock; also reported from 21 other counties.
1974Fall Late 9-4 Marshall AR; 9-7 Freeborn DG; 9-20 Ottertail KBZ.
1975Spring Early south 4-16 Yellow Medicine GLO; 4-21 Hennepin DY, JC; 4-26 Lac qui Parle RBJ; early north 5-2 Crow Wing TS; 5-5 St. Louis GJN; 5-7 Otter Tail MS. Rough-winged. Swallow Early south 4-15 Dakota RAG and Goodhue CF; 4-25 Olmsted JF; early north 4-27 Morrison LSR; 5-8 St. Louis GJN; 5-12 St. Louis MMC.
1975Summer Nested in Stearns and Renville; also reported from 23 other counties. Rough-winged' Swallow Nested in Mille Lacs, Stearns, Olmsted and Lyon; also reported from 18 other counties including St. Louis and Cook.
1975Falllate north 8-28 Duluth JG; 9-15 Marshall SV; late south 9-12 Goodhue CF, Wabasha DWM; 920 Yellow Medicine GO.
1976Spring Early south 4-11 Dakota JD; 4-19 Stearns NMH; 4-24 Fillmore GE and Houston FL; early north 5-6 St. Louis GN; 5-14 St. Louis PD; 5-17 Marshall sv. Rough-winged Swa·llow Early south 4-11 Houston FL; 4-16 Hennepin OJ; 4-18 Rock KE; early north 4-19 St. Louis JCG; 5-11 Mille Lacs MI; 5-13 St. Louis GN. Winter 1976
1976Summernested in Mille Lacs, Anoka and Hennepin; also reported from 20 other counties.
1976Fall Late north 9-2 Clay, 9-4 Marshall; late south 9-11 Rock, 9-12 Stearns, 10/1 Dakota BE.
1977Spring Early south 4-9 Jackson LR; 4-17 Carver ES; 4-22 Ramsey RH; early north 4-11 St. Louis DA earliest date on record; 4-22 Otter Tail GO; 5-3 Morrison PM. Rough-winged Swa1llow Early south 4-9 Houston FL; 4-12 Dakota JD; 4-13 Houston EF; early north 4-18 St. Louis MH earliest date on record; 4-23 St. Louis DA; 4-29 Otter Tail GO.
1977Summer Nested in St. Louis, Wright, Anoka, Hennepin and Rock; also reported from 21 other counties throughout the state.
1977Fall Late south Wabasha (RL). Rough-winged Swallo,w Late north 8-4 Otter Tail (GW), 8-7 Cook (JG), 8-14 St. Louis (DGW).
1978Summer Breeding reported from Stearns, Anoka, Lac qui Parle and American Crow Wing; also seen throughout the state.
1978Fall Late north 9-30 Rothsay RJ; late south 9-19 Wood Lake EB.
1979Spring Early south 4-14 Le Sueur EB, Dakota BL; early north 4-20 Otter Tail GS, 4-25 Otter Tail GMO.
1979Summer Breeding reported from Morrison, Grant, Lac qui Parle, Lyon, Olmsted, Goodhue, Anoka; also seen throughout the state except Lake, Cook.
1979Fall Late north 8-27 Pennington RJ, 9-3 Itasca TL; late south 9-14 Nicollet JCF, 9-17 Murray WF.
1980Spring Early south 4-5 Wabasha WDM 4-26 Lac qui Parle ES, Lyon HK; 'early north 4-14 Beltrami JHMN, 4-23 Grant SM, 4-26 Otter Tail GMO.
1980Summer Breeding reported from Morrison, Stearns, Anoka; seen also throughout the state except the Northeast Region where reported only from Duluth, Cook (7-21 Grand Marais, KH).
1980FallLate north 9-1 St. Louis LLH, 9-4 KE, 9-6 Aitkin GS, 9-11 Pennington KSS; late south 9-6 Stearns RJ, 9-12 Nicollet JCF.
1981Spring Early south 4-16 Lyon HK, 4-25 Lac qui Parle KE, 4-28 Washington WHL; early north 4-19 St. Louis LW, 4-27 Becker TNWR, 5-2 Otter Tail GW.
1981Summer Breeding data from Morrison; nesting reported from Anoka. Seen throughout the state except only Duluth in the Northeast.
1981Fall Late north 8-20 Becker RN, 8-22 Crow Wing RJ, 8-26 St. Louis KE, 8-29 Wilkin OJ; late south 9-9 Kandiyohi DB, 9-11 Nicollet JCF, 9-13 Washington KL, 10-3 Wright ES, Anoka DS.
1982Spring Early south 4-12 Olmsted JEB, 4-18 Winona AB, 4-24 Brown RJ, Hennepin DB, 4-25 Lyon HK, 4-28 Ramsey RH; early north 5-1 Carlton LW, 5-3 Otter Tail SDM, 5-7 Morrison AB, 5-8 Polk MH, 5-9 St. Louis KE, Crow Wirrg JB.
1982Summer Seen throughout the state. ClifT Swallow Breeding data from Big Stone, Steams. Seen throughout the state.
1982Fall Late north 9/5 Clearwater AB, 9/6 Pennington KSS, 9/11 Marshall JP, 9/29 St. Louis KE; late south 8/23 Brown JSp, 9/3 Nicollet JCF, 9/11 Blue Earth MF.
1983Spring Early south 4/18 Sherburne EHISS, 4/23 Washington BL, 4/27 Blue Earth JCF, 4/28 Washington TBB; early north 4/27 Otter Tail SDM, 4/30 Clearwater AB, 5/10 Aitkin WN, Mille Lacs MLWMA, 5/11 Red Lake TT.
1983Summer Breeding data from Kittson, Mille Lacs, Morrison, Stearns, Hennepin. Seen throughout the state. ClifT Swallow Breeding data from Polk, Clay, Mille Lacs, Cook, Stearns, Ramsey, LeSueur, Brown. Seen throughout the state. Migration: 7/27 (2-3000) Lake of the Woods.
1983Fall Late north 9/6 Clearwater, Polk AB, 9/7 Wadena RJ, 9/18 Roseau KSS, 9/22 HRNR; late south 9/7 Steams NH, Nicollet JCF, 9/8 Rock JP, 9/22 Mower RRK.
1984Spring Early south 4/10 Sherburne SSa, 4/20 Lyon HK, 4/24 Renville MLF, 4/28 Lac qui Parle MH, FAE, Nicollet JCF; early north 4/20 Otter Tail GMO, 5/1 Marshall ANWR, 5/12 Polk AB, 5/14 Aitkin WN, MLWMA.
1984Summernested in Kittson, Polk, Cass, Pennington, Clay and Brown; also seen in 30 other counties.
1984Fall Late north 9/3 Clearwater AB, 9/7 Becker RJ, 9/9 Duluth HR; late south 9/7 Nicollet JCF, 9/22 Goodhue DZ.
1985Spring Early south 4/14 Dakota TTu, 4/20 Benton RJ, Cottonwood WH, Steams NH, 4/21 Olmsted RE, 4/22 Sherburne SS!DO; early north 5/5 Clearwater AB, Grant SDM, 5/6 St. Louis SWIMS, 5/7 KE, 5/8 Clay LCF.
1985Summer Nested in St. Louis, Pope (NH), Rice, Brown; probable nesting in Mille Lacs, Anoka, Ramsey. Also seen in 23 other counties.
1985Fall Late north 9/17 St. Louis KE; late south 9/1 Anoka JH, 9/6 Olmsted AP, 9/7 Blue Earth MF, 9/21 Hennepin SC.
1986Spring Early south 4/11 Ramsey TTu, 4/23 Fillmore AMP, 4/25 Olmsted BE, 4/26 Chippewa, Swift, Lac qui Parle AB, Brown JS, Chippewa DB; early north 5/1 St. Louis MH/ JS, 5/3 Carlton AB, 5/6 Marshall ANWR, 5/7 Grant SDM.
1986Summer Nested in Brown; probable nesting in Clay, Pope, Ramsey, Fillmore. Also seen in 37 other counties throughout the state.
1986Fall Late north 8/31 Polk AB, 9/27 Becker BK; late south 9/1 Brown JS, 9/2 Freeborn NHo, 9/4 Winona AP.
1987Spring Early south 4/17 Ramsey IT, 4/18 Olmsted RSE, 4/20 Wright DO; early north 4/20 Marshall ANWR, 4/30 Duluth KE, 5/1 Carlton GS.
1987Summer Nested in Ramsey; probable nesting in Polk, Steams. Also seen in 34 other counties in all regions, but only St. Louis in the northeast.
1987Fall Late north 8/23 Aitkin WN; late south 9/4 Hennepin IT and Dodge RSE, 9/13 Kandiyohi RJ and Washington OS and Renville AP, 10/27 Stevens EL.
1988Spring Early south 4/25 Hennepin SC, ES, 4/28 Ramsey TT, 4/30 Lac qui Parle AB; early north 4/30 Traverse RJ, 5/1 Otter Tail SDM, 5/4 Marshall ANWR.
1988Summer N~ste~ in Benton, Brown, Rice; probable nestmg m Traverse, Goodhue. Seen in 45 other counties statewide although scarce in northeast.
1988Fall Late north 8/22 Becker BK, 9/10 Todd PH; late south 9/2 Nicollet JF, 9/10 Stevens RJ, 10/1 Hennepin TSo, Goodhue AP.
1989Spring Early south 4/14 Washington BL, 4/23 Brown JS, 4/24 Ramsey RH; early north 4/30 Carlton GS, 5/16 Lake of the WoodsTR, 5/18 Beltrami DJ.
1989Summer Nested in Roseau SS, Brown, Dakota SP, Rice; probable nesting in Todd, Houston. Seen in 39 other counties statewide.
1989Fall Late north 8/17 Pennington AB, 8/20 Clay LCF, 9/28 Todd PH; late south 8/27 Brown JS, 8/30 Pipestone JP, 9/27 Winona CS.
1990Spring Early south 4/22 Brown JSp, 4/23 Dakota SC, 4/27 Olmsted JB, BSE; early north 5/6 Beltrami DJ, 5/11 Clay LCF, 5/17 St. Louis KE.
1990Summer Probable nesting in Becker, Otter Tail, Crow Wing, Sherburne, Isanti; seen in 36 other counties statewide.
1990Fall Late north 9/2 Clearwater AB, 9/9 Otter Tail MO, 9/23 Clay LCF; late south 9/7 Pipestone RJ, 9/11 Blue Earth BB, 9/12 Brown JS.
1991Spring Early south 4/9 Cottonwood ED, 4/13 Dakota PS, 4/20 Olmsted AP, CS; early north 4/15 Norman BK, 5/2 Beltrami DJ, 5/9 Clay MO and Grant SDM.
1991Summer Fewer reports than in previous five years. Nested in Aitkin WN; probable nesting in four counties. Seen in 25 other counties.
1991Fall Late north 8/25 St. Louis AB, 9/8 Aitkin WN and Clay LCF, 9/21 Grant MO; late south 8/24 Cottonwood TEB, 9/3 Washington WL, 9/6 Pipestone JP.
1992Spring Early south 4/19 Brown JS and Olmsted BSE, 4/20 Dakota JD and Hennepin SC, 4/21 Winona CS; early north 5/1 Marshall BK, 5/9 Beltrami DJ, 5/14 St. Louis TW.
1992Summer Nested in Kittson, Washington, Winona; probable breeding in Marshall, Anoka, Le Sueur. Observed in 29 additional counties statewide.
1992Fall Late north 8/24 Pennington SSt, 9/6 Becker DJ and Clay LCF, 9/13 Otter Tail MO; late south 9/12 Watonwan RJ, 9/13 Wabasha AB, 9/14 Olmsted JB.
1993Spring Early south 4/23 Ramsey AB, 4/24 Hennepin SC and Scott SK. Early north 4/30 Pennington KSS, 5/2 Otter Tail SDM, 5/5 Kanabec CM.
1993Summer Fewest reports in ten+ years (only half the number of reports for 1988). Nested in Dakota, Winona; probable breeding in Becker, Washington. Seen in 21 additional counties statewide.
1993Fall Late north 8/31 Kanabec CM, 9/4 Aitkin WN, 9/18 Douglas RJ. Late south 9/5 Jackson KB, 9/6 Pipestone JP, 9/15 Olmsted JB.
1994Spring Early south 4/12 Ramsey TT, 4/18 Hennepin PBu, 4/19 Rice OR; early north 4/13 Todd RJ, 4/23 Kanabec CM, 4/27 Otter Tail SDM.
1994Summer Fewer reports than usual, for second consecutive year. Nested in Aitkin, Anoka, Winona; probable nesting in Kanabec, Kandiyohi, Goodhue. Seen in 21 additional counties statewide.
1994Fall Late north 8/12 St. Louis MH, 8/23 Wadena RJ, 9/4 Aitkin WN. Late south 8/16 Washington WL, 8/31 Winona CS, 9/7 Hennepin TBr.
1995Spring Early south 4/16 Hennepin SC, 4/24 Ramsey TT and Rice TB, 4/25 Brown JS; early north 4/22 Aitkin PJ, 5/8 Polk SKS and St. Louis NJ, 5/10 Clay RO.
1995Summer Nested in Ramsey, Dakota, and Olmsted counties; probable nesting in seven counties. Observed in 20 other counties statewide.
1995Fall Late north 9/4 Aitkin WN. Late south 9/3 Carver DSm, 9/4 Pipestone JP, 9/24 Goodhue KB.
1996Spring Early south 4/19 Winona CS, 4/25 Rice TBo, 4/28 Hennepin ABo. Early north 5/10–11 Becker BBe, BK, 5/14 Becker GS.
1996Summer Nested in Brown; probable nesting in Aitkin, Lac qui Parle, Kandiyohi. Seen in 29 additional counties statewide.
1996Fall Late north 9/1 Clearwater DJo, 9/7 Aitkin WN. Late south 9/7 Big Stone LE, 9/25 Hennepin TT.
1997Spring Early south 4/27 Rice TBo, 4/28 Anoka TBr, 5/1 Le Sueur RJ. Early north 5/8 Kanabec CM, 5/9 Todd JSK/SDu, 5/10 Clay RO/DWi.
1997Summer Observed in 35 counties statewide; probable nesting in six counties.
1997Fall Late north 9/1 Wadena PBi, 9/7 Aitkin WN. Late south 9/1 Olmsted CN, 9/3 Renville CMa.
1998Spring Early south 4/20 Lyon RgS, 4/21 Rice TBo, 4/25 Big Stone WM. Early north 5/8 Aitkin WN, 5/9 Todd JSK, 5/13 Cass EP.
1998Summer Reported in 31 counties statewide. New nesting record in Todd JSK; probable nesting in Norman, St. Louis, Lincoln, Anoka, Freeborn.
1998Fall Late north 8/25 Red Lake RJ, 9/12 Wadena PBi, 9/14 Aitkin WN. Late south 9/25 Hennepin TT, 10/8 Lyon RgS, 10/10 Rock (5) AH.
1999Spring Arrived south about one week later than usual; first reported 4/24 in Lac qui Parle, Rice, Dakota. Few north reports. Early north 4/25 Douglas ABo, followed by scattered reports in early May.
1999Summer Seen in 30 counties in all regions except southeast.
1999Fall Departed about one week early, north and south. Peak 8/1 Traverse (2,500 near Mud L., a record high count in one flock) PS. Late north 8/21 Grant CMa, 8/28 Traverse JSt, 9/6 Wadena PBi. Late south 9/6 Waseca JSe, 9/11 Hennepin SC, 9/12 Jackson CMa.
2000Spring Observed in 22 south and 12 north counties throughout the state, but only St. Louis in northeast. First seen on about the same date south and north. Early south (median 4/18) 4/23–24 in four counties. Early north (median is 4/30) 4/24 Clay SDM, 4/30 Polk EF.
2000Summer Most reports since 1990; observed in 39 counties throughout state.
2000Fall Found in every region. Only September report north: 9/9 Aitkin WEN. Peak count 8/21 Big Stone (400) KJB. Only four September reports south, including the latest on 9/16 Dakota SEL.
2001Spring Observed in 29 south and 14 north counties, and in all regions. Early south 4/4 (earliest ever) Sibley RBJ, 4/10 Hennepin KJB, 4/12 Steele NFT. Early north (median 4/30) 5/5 Clay, Polk, and Kanabec.
2001Summer Seen in 26 counties in all regions except Southwest.
2001Fall Found in every region except Northeast and Southeast. Reported from three north counties in August, then only 9/7 Clearwater DPJ. Reported from five south counties through 9/9, but then only 9/15 Wright DFJ, 9/23 Lyon RJS.
2002Spring Observed in 25 south and 15 north counties. Early south 4/8 Carver RMD, then no reports until 4/20 Olmsted RBJ. Early north 5/5 Beltrami DPJ, 5/7 Clay RHO.
2002Summer Most number of reports since 1990. Seen in 40 counties throughout the state; peak count 7/18 Traverse (938, representing the second-highest count on record) KJB.
2002Fall Late north all in the Northwest: 9/1 Kittson CRM, SWe, 9/5 Polk EEF, 9/7 Mahnomen JJS. Late south 9/10 Carver RMD, 9/12 Nobles RBJ and Stearns STW.
2003Spring Early south 4/20 Fillmore JJS, 4/21 Rice TFB. Early north 4/27 Polk EEF, 5/4 Becker JMJ. Only reported from Redwood in Southwest, St. Louis in Northeast.
2003Summer Reported in 35 counties in all regions of the state except Northeast; peak count 7/23 Big Stone (300) KJB.
2003Fall Reported from 11 north and 15 south counties in all regions except the Northeast. Late north 9/2 Mille Lacs RBJ, 9/9 Morrison CRM. Late south 9/17 Big Stone and Lac qui Parle BJU, 9/20 Le Sueur ChH.
2004Spring Found in 15 north and 22 south counties. Early south 4/16 Lac qui Parle BJU, 4/17 Dakota ADS, 4/18 Mower JEM (median 4/17). Early north 5/8 Clay RHO, Wadena (63) PJB (median 4/30).
2004Summer Seen in 31 counties in all regions of state except Southeast; new nesting record in Yellow Medicine BJU.
2004Fall All north reports: 8/8 Lake JWL, 8/24 Itasca JEB, 9/4 Todd CAM. South reports from eight counties, including latest observation 8/29 Hennepin SLC (median 9/16).
2005Spring Early south 4/10 Hennepin DWK, 4/14 Dakota JPM and Freeborn AEB (median 4/17). Early north 4/28 St. Louis SLF, 5/7 Douglas JEB, 5/8 Wadena PJB (median 5/1).
2005Summer Most reports since 1990: observed in 41 counties in all regions of state. First nesting record for Itasca DRM.
2005Fall Found in 9 north and 22 south counties. No significant counts. Late north 8/25 Cass RBJ, 9/4 Clearwater BJU. Late south 9/17 Le Sueur ChH, Nicollet RMD and Olmsted DAB.
2006Spring Early south 4/17 Meeker DMF, 4/19 Rice TFB. Early north 4/25 St. Louis SLF, 4/26 Mille Lacs ASc. First western reports south and north were 4/26 Lac qui Parle BJU and 5/2 Polk (high count of 100) SAS.
2006Summer Observed in 61 coun-ties statewide.
2006Fall Reported from 6 north and 28 south counties. High count 8/7 Lac qui Parle (800) RPR. Late north 9/6 Mille Lacs RBJ, 9/16 Otter Tail DTT, SMT (median 9/9). All late south reports after median departure (9/16): 9/20 Faribault JEB, 9/21 Big Stone BJU, 9/23 Wabasha HHD.
2007Spring1446 Early south 4/19 Meeker DMF, Olmsted JWH, and Watonwan CRM (median 4/17). Early north 4/27 Clay (5) RHO and Marshall fide JMJ, 4/29 Lake JCG (median 4/30). High count 5/12 Clay (104) RHO.
2007Summer2042 Reported from all regions of the state. High count 6/30 Lac qui Parle (100, colony in bank at Yellow Bank Hills S.N.A.) RBJ.
2007Fall1428 Second highest fall count on record 8/9 Jackson (1,600, South Heron L.) KJB. Late north 9/2 Kittson JCC, CRM, LS, 9/4 Traverse BJU, 9/15 St. Louis LS (median 9/9). Late south 9/12 Brown JEB, 9/15 Le Sueur and Nicollet ChH, 9/16 Lac qui Parle BJU (median 9/17).
2008Spring2141 Early south (median 4/17) 4/19 Dakota (Black Dog Lake) LS, 4/21 Rice TFB, 4/22 Dakota ADS, Stearns PCC. Early north (median 4/30) 5/6 Clay RHO, Mille Lacs RBW, Otter Tail DST, 5/7 Mille Lacs ASc. High counts 5/4 Rice (30) DAB, 5/17 Carver (30) JCy.
2008Summer1733 Observed in all regions of state.
2008Fall1235 High count 8/29 Big Stone (360) PHS. Late north 9/9 Mille Lacs ASc, 9/12 Morrison DMF, 9/13 Grant HHD (median 9/9). Late south 9/8 Wright CRM, 9/12 Lac qui Parle BJU, Murray RBW, 9/13 Brown SWe, Lyon RBW, Stevens HHD, Yellow Medicine WCM (median 9/17).
2009Spring1943 Early south (median 4/17) 4/19 Winona DBz, 4/24 Meeker DMF, Rice TFB. Early north (median 4/30) 5/1 Douglas JPE, 5/2 Mille Lacs ASc. High counts 5/14 Scott (50) ALD, 5/21 St. Louis (40) PHS.
2009Summer1836 Seen throughout. First county breeding records from Kanabec DPG, Chisago AEK, Isanti DPG, Otter Tail RPR. High count 6/24 Washington (50) TEB.
2009Fall721 High counts 8/22 Traverse (2,000 on wires near Mud Lake) KRE, 8/19 Crow Wing (200) JSB. Late north 9/3 Otter Tail HHD, 9/6 Roseau JCC, LS (median 9/9). Late south 9/5 Faribault RBW, 9/6 Sibley WCM, 9/12 Nicollet ChH (median 9/16).
2010Spring1839 Early south (median 4/17) 4/15 Rice TFB, 4/16 Dakota JPM, Olmsted JWH, 4/18 Rice (10) DAB. Early north 4/30 (median) Cass (Brockaway Lake) BAW, 5/1 Cass ABi. High counts 5/26 Crow Wing (50, Ironton W.T.P.) JSB, 5/2 Carver (40) JCy.
2010Summer2141 Reported statewide. First county breeding record from Jackson RPR.
2010Fall1227 High counts 8/22 Sibley (320, Gaylord W.T.P.) DWK, 8/3 Lac qui Parle (300, Salt Lake) BJU. Late north 8/21 Grant (Herman) and Traverse (100, Lake Traverse) RTe, 8/26 Douglas (Lake Osakis) RBJ, DAC, 9/11 Douglas JPE (median 9/10). Late south 9/7 Blue Earth ChH, 9/23 Lac qui Parle BJU (median 9/16).
2011Spring2543 Early south (median 4/17) 4/16 Winona DBz, 4/24 Rice DAB, 4/25 Houston DWK, Rice TFB. Early north (median 4/30) 5/7 Cass DAY, 5/8 Kanabec DWK, 5/9 Grant RAE. High count 5/20 Becker (50, Tamarac N.W.R.) SPe.
2011Summer2348Reported from throughout state. First county breeding record from Wadena CCa. No significant counts.
2011Fall1133 Late north 9/4 Koochiching HHD, RAE, 9/5 Red Lake LS, CRM, 9/18 Traverse BJU (median 9/10). Late south 9/18 Faribault JWH, BWF, Nicollet ChH, 9/20 Lac qui Parle BJU, 9/24 Olmsted JPr (median 9/16).
2012Spring1840 Early south (median 4/17) 4/3 Dakota JLO, 4/14 Dakota RTe, Winona (4) SSh, 4/16 Rice DAB. Early north (median 4/30) 4/28 Kanabec HHD, RAE, 4/29 Morrison FGo, 4/30 Morrison DBM. High count 5/13 Jackson (23) KSm.
2012Summer3050 Found in all regions of state. High count 6/18 Clay (200, Felton Prairie gravel pits) CLW. First county breeding record from Wilkin CCa.
2012Fall1538 Record-high count 8/6 Jackson (est. 6,234, Heron Lake area; driving around North and South Heron lakes by road) KJB. Late north 9/3 Grant LS, Marshall CRM, Pennington CRM, Polk CRM, 9/4 Mahnomen DBM (median 9/10). Late south 9/15 Dakota TAT, Lyon (3) GWe, 10/13 Brown (2) BTS (median 9/16).
2013Spring2340 Early south (median 4/17) 4/21 Scott JEB, 4/22 Mower RAE, 4/26 Hennepin KvB, (15) SeH, Houston ANy. Early north (median 4/30) 5/9 Itasca ANy, 5/11 Clay RHO, ALo, JPr, Kanabec DAB, DBz, Otter Tail DST. High counts 5/17 Norman (300, colony west of Agassiz Dunes S.N.A.) MSS, 5/19 Otter Tail (60) JsS.
2013Summer3048 Found throughout the state. First county breeding records from Mower CCa, Redwood JSc, Sibley CCa, Traverse SWe. High count 7/4 Clay (273, Felton Prairie) CRM.
2013Fall1641 High counts 8/2 Dakota (50) RaM, 8/1 Lac qui Parle (30) PCa. Late north 9/1 Douglas JPE, 9/2 Mahnomen RZi, JCC, 9/3 Otter Tail JSw, JsS (median 9/10). Two late south reports after the 9/16 median: 9/21 Dakota GJa, ASi, 9/29 Carver LS.
2014Spring2245Early south (median 4/17) 4/11 Hennepin (Elm Creek P.R.) LWn, 4/20 Hennepin (Purgatory Creek) JFR, DBz, DAB, ToL, Rice DAB. Early north (median 4/30) 5/9 Douglas JPE, Itasca SC, 5/10 Cass DAY, Clay RHO, MO, RSh. High count 5/16 Steele (100, Oak Glen Lake) PSu.
2014Summer2245Observed in every region, but largely missing from North-central. High count 6/8 Clay (250+ adults, 200 active nests, gravel pit near county landfill) HeH, ShG. 
2014Fall1639 High count 8/17 Nicollet (1,200, single flock) ChH. Late north 9/2 Mahnomen CRM, 9/3 Norman CRM, 9/6 Becker HeH, ShG (median 9/10). Late south 9/16 Le Sueur RZi, 9/17 Blue Earth ChH, Nicollet JSP, 9/20 Big Stone DLP (median 9/16).
2015Spring2045 Early south (median 4/17) 4/17 Rice TFB, 4/19 Ramsey RaF. Early north (median 4/30) 4/28 Aitkin DMu, 5/8 Itasca SC, Polk SAu. High count 5/15 Jackson (300, Heron Lake area) KJB.
2015Summer2849 Found in all regions. First county breeding record from Blue Earth ChH.
2015Fall1635 High counts 8/15 Kandiyohi (400) JWd, 8/26 Carver (150) JCy. Late north 8/30 Clay MO, 9/1 Otter Tail DBi, 9/7 Kittson BAb, GLa (median 9/7). Late south 9/14 Stearns HHD, 9/19 Lyon (10) GWe, 9/28 Faribault (Wells W.T.P.) DWK (median 9/16).
2016Spring2445 Early south (median 4/18) 4/14 Hennepin SKS, 4/15 Dakota AlF, Washington GJa, 4/16 Rice TFB. Early north (median 5/1) 4/15 Otter Tail DST, 4/24 Wadena JWH, ANy, SC, 5/4 Lake KRE, JWL. High counts 5/10 Yellow Medicine (300, Miedd Lake) GWe, 5/20 St. Louis (100, Duluth, 40th Ave. West / Erie Pier) ClN, JPR, 5/22 St. Louis (100, Duluth, 40th Ave. West / Erie Pier) ClN, JPR.
2016Summer2650 Found statewide. High counts 6/25 Lyon (120) GWe, 6/28 Stearns (120) RPR.
2016Fall1739 High counts 8/28 Stearns (200, Paynesville W.T.P.) AUm, 8/26 Jackson (180) JJu. Late north 9/5 Mahnomen BAb, Norman SC, 9/8 Otter Tail JCC (median 9/7). Late south 9/12 Jackson RAE, 9/15 Murray NWi, 9/18 Brown BTS (median 9/17).
2017Spring2447 Early south (median 4/17) 4/10, 4/13, 4/14 Rice (2) DAB, TFB, 4/14 Anoka DFe. Early north (median 4/30) 4/20 Grant CRM, 4/27 Otter Tail WPl, 5/5 Clay MO. High counts 5/22 Murray (200, Fox Lake) KnM, 5/11 Wabasha (130, Whitewater W.M.A., nesting colony) NSg.
2017Summer3049 Found in all regions of state. High count 7/2 Crow Wing (500, St. Mathias gravel pit) PSP.
2017Fall1345 High count 8/6 Lac qui Parle (430) KeL Late north 9/3 Becker MKp, Grant CNn, Roseau KRE, DFe, St. Louis ABL, 9/5 Todd JMs (median 9/7). Late south 9/20 Lincoln GWe, 9/21 Pipestone KnM, 9/23 Olmsted JKl (median 9/18).
2018Spring3049 Early south (median 4/17) 4/16 Ramsey CHi, 4/22 Hennepin BrD, 4/23 Anoka MCA, Mower SWm, Rice NiR. Early north (median 4/30) 4/29 Grant ASu, LiH, 5/1 Otter Tail ANy, St. Louis BMu, JPR, FJN. High count 5/17 Rice (75, River Bend N.C.) GHo.
2018Summer3050 Found statewide. High count 7/12 Freeborn (300, Arrowhead Point C.P.) PSu.
2018Fall1844 High counts 8/8 Freeborn (150, just outside of Arrowhead C.P.) PEB, 8/11 Wright (52, Pelican Lake) RCl. Late north 9/15 Becker ShG, HeH, Grant MO (median 9/7). Late south 9/22 Goodhue RZi, Winona NaH, LS, NWi, DPi, 9/27 Murray LHl, 9/30 Carver JCy (median 9/20).
2019Spring2948 Early south (median 4/17) 4/14 Dakota TmG, MwT, MiT, 4/16 Meeker GLr, 4/18 Hennepin EGB. Early north (median 4/30) 4/27 Clay ebd, 5/4 Clay MO, Otter Tail MaJ, 5/5 Cass DAY, Kanabec SPS. High counts 5/4 Stearns (50, Beaver Island Trail) LKo, 5/18, 5/24 Dakota (50, Lebanon Hills R.P.) ebd, GTh.
2019Summer2950 Seen throughout state. No significant counts.
2019Fall2348 High counts 8/28 Lac qui Parle (126) KeL, 8/22 Jackson (120, Community Point Park) ebd. Late north 9/2 Grant MO, 9/3 Pine KrM, 9/6 Douglas BDo, LiH (median 9/7). Late south 9/15 Scott BHe, 9/19 Carver VWe, Sibley RZi, 10/12 Freeborn (no details) JCJ (median 9/20).
2020Spring2748 Early south (median 4/16) 4/11 Dakota (Lake Byllesby) ASu, 4/12 Dakota (140th St. Marsh) MwT, 4/19 Ramsey LiH. Early north (median 4/29) 4/26 Kanabec SPS, 5/2 St. Louis JPR, FJN, Todd RLF, REn. High counts 5/29 Clay (150, gravel pit, Felton) CRa, 5/15 Meeker (100, Greenleaf Lake S.R.A.) ebd.
2020Summer2449 Seen in all regions. First county breeding record 7/5 Nobles KEm. High counts 7/18 Lac qui Parle (500, 251st Ave, Bellingham) EzH, CLR, KWR, ASu, 7/19 Big Stone (500, Correll) EzH, CLR, KWR, ASu.
2020Fall1747 High counts 8/25 Jackson (2,010, South Heron Lake) KJB, 8/11 Big Stone (1,840, 6/5th Ave, Correll) KJB. Late north 9/6 Clay ABL, 9/7 Traverse ANy, 9/10 Becker ShG, HeH (median 9/7). Late south 9/17 Chippewa RAE, 9/19 Swift PNi, DnS, 9/24 Rice NiR (median 9/20).
2021Spring3245 Early south (median 4/16) 4/11 Anoka ebd, 4/14 Ramsey LiH, 4/17 Sherburne RSk. Early north 5/1 Beltrami JCJ, SAu, 5/2 Becker TKa, 5/3 Itasca SC. High counts 5/15 Hennepin (200, Rice Lake) RHe, 5/31 Hennepin (150, Richard T. Anderson Conservation Area) GUn.
2021Summer3350 Found in all counties except Fillmore, Hubbard, Mower, Wabasha.
2021Fall2348 High counts 8/22 Lac qui Parle (1,000, Salt Lake) ebd, 8/4 Cottonwood (150, Heron Lake) ebd. Late north 9/3 Pine KPJ, 9/6 Otter Tail BAr, 9/9 St. Louis IDv (median 9/7). Late south 9/18 Yellow Medicine GWe, 9/19 Carver ANy, 9/25 Houston BAb (median 9/23).
 
 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.