Seasonal Report Archive for The Loon - Vireos 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: Vireos
White-eyed Vireo
Bell's Vireo
Yellow-throated Vireo
Blue-headed Vireo
[Plumbeous Vireo]
Philadelphia Vireo
Warbling Vireo
Red-eyed Vireo

Yellow-throated Vireo(Vireo flavifrons)
YearSeasonNS
1930SummerNo nest was located but the writer saw young out of the nest and being fed, near Excelsior on August 4th,
1931Summer11arius Morse noted an adult of this ape~ies feeding a fully-fledged cowbird on June 22nd.
1932SummerYellow-throated Vireos nested on the Montevideo Golf Course, but the nests were too hiBh to be investigated (Mrs. Wilson). The only investigated.nest was found at Fargo, N.D. on June.3otht when the 4 young had seen about 7 days and nights (Woolsey}.
1933Summer Two nests found. Hiemenz discov~rod one which contained 1 fresh egg on May 26th, nt St. Cloud. his nest hold 4 eggs when next seen on June 1st. The finder states that "the female was on the nest and I had to pick her up to get a look at tho contents. vfuen set down on n twig beside the nest she inm1ediatoly went on it again. 11 Grimes found a nest in Pennington County on June 6th which was newly-started. It contained.3 eGgs on June 17th. Young birds being fed out of the nest were seen by tho writer on July 1st at Shakopee.
1937SummerJune 2I-Nest, 4 downy young (Upson).
1938SummerOn June 2o, near Chisago City, Nathan Mahon saw a female cowbird on a Vireo's nest, the contents of which were not ascertained.
1943SummerNo. Mpls., June 5, building. W. J. Breck­enridge.
1944SummerJune 27, young, Hennepin, Hofstead and Ol­son.
1946Summer3 eggs, June 4, Anoka Co., Bro. Hubert; 3 young out, Aug. 7, Stearns Co.. Moore.
1962SpringMay 12 Goodhue Co., A.C. Rosenwinkel; May 15 Washington Co., Dean Honetschlager; May 17 Minneapolis, Bob Janssen.
1963SpringMay 5, Minneapolis, R. Janssen; May 8, Ramsey Co., A. C. Rosenwinkei; May 11, Washington Co., D. Honetschlager.
1963SummerClay Oo., Ulen park, June 15 thru Aug. 10, pair presumeably breeding but neither nest nor young located, Avifaunal Club.
1963Falllatest, Sept. 21, Watonwan Co., TV Tower Kill, Avifaunal Club.
1964Spring5-7 Stearns Co, RPR; 5-4 Hennepin Co, MAS; 5-14 Cass Co, JAM; 5-3 Hennepin Co, RBJ; 5-17 Aitkin Co, PBH.
1964Summerfall date, 8-16, Minneapolis, DB.
1964Fall9-5 Crow Wing Co, TEM; 9-12 Ramsey Co, ACR.
1965Springearliest 5-4 Minneapolis, FN, MHM.
1965Falllatest 9-15 St. Paul, ACR and 9-20 Wabasha, DGM.
1966Springearliest 4-23 Dakota Co, MIG; 5-5 Hennepin Co, VL; 5-6 Wabasha, DGM and Hennepin Co, CKS.
1966Summer7-3 Clay Co, nest with y, LWJ; also reported from Crow Wing, Clearwater, Goodhue, Ramsey, Morrison and Stearns Co's.
1966FallLatest 9-13 Morrison Co., LSR; 9-18 Hennepin Co., JAJ; 9-30 Wabasha Co., DGM.
1967Springearly 5-14 Goodhue Co.: HFH; 5-18 Stearns Co., RPR; 5-20 Wmona Co., FGD and Pine Co. MIG. '
1967Summernested Hubbard Co.; also reported from Houston, Wabasha, Washington, Clearwater Co's.
1967Fall latest 9-16 Stearns Co., KE; 9-16 Houston Co., FL; 9-18 Morrison Co., LSR; 9-26 Anoka Co., PE; one very late, 10-26 Morris, Stevens Co., 1, good details, JAH.
1968Spring early 5-4 Stearns Co., KE; 5-9 Pope Co., JAH; 5-11 Washington Co., DS, Goodhue Co., BL, Hennepin Co., TKS, Houston Co., FL.
1968Summer nested in Stearns, Hubbard Co's; also reported from Clay, Clearwater, Morrison, Anoka, Sherburne, Mille Lacs, Wright Co's.
1968Fall9-13 Wright 3 ETS; 9-23 Hennepin WKE; 9-26 Wabasha DGM; 10-19 Chisago BL.
1969Spring5-3 Winona Co., BT; 5-5 Hennepin Co., DB, KP, and Washington Co., WHL; 5-23 Kanabec Co., RHJ; 5-26 Morrison Co., LSR.
1969Summerreported from Beltrami, Red Lake, Clay, Mahnomen, Crow Wing, and Morrison Co's.
1969Fall9-15 Wright
1970Springearly south 5-6 Goodhue KE; 5-7 Carver MM, TH, KH and Houston FL and Dakota DB: only reports north 5-9 Crow Wing J B; 5-24 Clearwater RD.
1970Summernested in Wright Co. (3 areas); reported from Crow Wing, Hennepin, and Winona Co's.
1970Fallonly report north 8-31 and 9-13 Crow Wing JB; late south 9-15 Wabasha WDM; 9-21 Hennepin VL.
1971Springearly south 5-8 Goodhue KJG and Winona TV; 5-9 Washington WL; earlynorth 5-20 Crow Wing JB and Morrison LR.
1971Summernested in Carver and Wright; also reported from Crow Wing, Aitkin, Marshall, Hennepin, Winona, Sherburne and Wabasha.
1971Falllate south 9-18 Hennepin; 9-23 Wabasha; 10-7 Stearns; late north 9-17 Pine; 9-21 Crow Wing.
1972Summernested in (Cass Lake), (Crow Wing), (Washington), (Sherburne); seen in Clearwater, Hubbard, Pope, Hennepin, Carver, Pine, Chisago, Wright.
1973Summer Nesting report from Clay; seen in 17 counties.
1974Spring Early south 5-3 Stearns NMH; 5-9 Houston FL; 3 reports on 5-11; early north 5-5 Morrison DCF; 5-21 Mille Lacs MI; 5-21 Crow Wing TS.
1974Summer Nested in Wright; also reported from 17 other counties, including St. Louis (6-13, JG) and Yellow Medicine (7-3, VL).
1974Fall Late north Morrison LSR; 9-8 Marshall AR; late south 9-7 Winona FL; 9-11 Hennepin ES.
1975Spring Early south 5-1 Freeborn DG; 5-7 Goodhue CF and Lyon HCK; early north 5-12 Mille Lacs MI; 5-15 Morrison LSR; 5-17 Crow Wing JB.
1975Summer Reported from 12 counties northeast to Cass and Mille Lacs.
1975Falllate north 9-6 Clay LCF; 9-28 Hubbard WL; late south 9-6 Waseca RJ; 9-10 Goodhue CF; 9-21 Hennepin PF.
1976Spring Early south 5-10 Hennepin JG; 3 reports on 5-12; early north 5-15 Crow Wing JB and Marshall SV; 5-20 Clay LCF.
1976Summernested in Goodhue; also reported from 18 other counties including St. Louis.
1976Fall Late north 9-4 Marshall, 9-8 Otter Tail; late south 8-29 Houston, 9-11 Winona, 9-17 Hennepin.
1977Spring Early south 5-5 Hennepin DB; 5-6 Houston FL; 5-7 Olmsted JF; early north S-6 Crow Wing TS early date north; 5-9 Crow Wing JB; 5-12 Otter Tail GO.
1977Summer reported from 15 counties northeast to Duluth.
1977Fall Late north 9-10 Otter Tail (GO).
1978Summer Seen in Winona, Hennepin, Washington, Chisago, Stearns, Mille Lacs, Aitkin, Cass, Beltrami, Becker and Marshall.
1978Fall Late north, 9-16 Beltrami MM; late south 9-20 Hennepin WKE, 9-26 Houston EMF.
1979Spring Early south 5-7 Anoka JCH, Dakota DB, KG, Ramsey FKB; early north 5-14 Morrison DCF, 5-16 Becker SM.
1979Summer Breeding reported from Sherburne; also seen in Houston, Olmsted, Wabasha, Washington, Anoka, Hennepin, Crow Wing (TS), Otter Tail, Becker, Clay, Clearwater, Beltrami (Waskish), Marshall, Kittson.
1979Fall Late north 9-1 Aitkin RJ, 9-27 Marshall KSS; late south 9-22 Anoka KL, 9-30 Hennepin VL.
1980Spring Early south 4-20 Meeker AT, 5-9 Hennepin DB; early north 5-15 Otter Tail GMO, 5-19 Marshall ANWR.
1980Summer Breeding reported from Stearns; also seen throughout most of the state but absent in the Northeast, and Southwest and South Central south of the Minnesota River.
1980Fall Two reports north 8-15 Pemiington KSS and 9-7 Clay LCF; four reports south 9-6 Pope RJ, 9-10 Houston EMF, 9-12 Nicollet JCF and 9-28 Anoka KL.
1981Spring Early south 5-2 Ramsey FKB, 5-3 Houston JPI AM, 5-5 Hennepin SC, VL, GP, ES, Mower RRK; early north 5-10 Otter Tail SM, 5-11 Crow Wing TS, 5-13 St. Louis KE.
1981Summer Seen throughout most of the state except the Southwest and Northeast (seen in Carlton, Duluth, KRE).
1981Fall Two reports north 9-4 Clay LCF, 9-12 Crow Wing JB; late south 9-9 Swift RJ, 9-13 Wright ES, 9-29 Houston EMF.
1982Spring Early south 5-7 Wabasha DWM, 5-9 Goodhue DGW, Hennepin DB, SDM, ES, 5-11 Hennepin SC, Houston EMF, Mower RRK; early north 5-10 Mille Lacs CF/ KB, 5-15 Morrison GS, 5-17 Marshall ANWR.
1982Summer Seen in 30 counties in a wide diagonal band across the state but not in the Northeast, Southwest or most of the West Central.
1982Fall Late north 9/5 Clearwater AB, 9/8 Clay LCF, 9/10 Pennington KSS; late south 9/10 Fillmore FL, Stearns NH, 9/23 Houston EMF, 9/25 Sherburne RJ.
1983Spring Early south 5/6 Olmsted JEB, 5/7 Jackson KL, Ramsey DZIMC, 5/8 Dakota JD, Hennepin DB; early north 5/12 Mille Lacs MLWMA, 5/17 Hubbard BM, 5/18 Beltrami SDM.
1983Summer Breeding data from Brown, Pennington. Seen in 19 other counties in the four regions of the southeastern quarter of the state plus Carlton (Moose Lake), Crow Wing, Clay, Clearwater, Marshall.
1983Fall Late north 9/4 Clearwater AB, Clay LCF, 9/7 Wadena DB, 9/26 Crow Wing JB; late south 9/16 Brown JSp, 9/17 Houston FL, 9/23 Anoka DS, 9/26 Stearns NH.
1984Spring Early south 5/6 Cottonwood WH, 5/10 Olmsted RE, 51 II Sherburne SSa, Mower DGS; early north 5/14 Crow Wing JB, 5/17 Marshall ANWR, 5/19 Koochiching KL, Aitkin WN, Clearwater DGW.
1984Summernested in Morrison and Ramsey; also seen in 25 other counties.
1984Fall Late north 9/2 Clearwater AB, 9/26 Pennington KSS; late south 9/15 Anoka DS, 9/16 Houston EMF, Hennepin TT, 9/18 Brown JSp.
1985Spring Early south 4/21 Mower RRK, 51 I Houston EMF, 5/2 Ramsey KB, 5/5 Hennepin Tiu; early north 5/12 Polk AB, Marshall ANWR, 5/17 Clay LCF; Late May Duluth m.ob.
1985Summer Probable nesting in Ramsey, Brown. Also seen in 24 other counties throughout the state except in the southwest and only Duluth in the northeast. Loggerhead Shrike nest, Washington County, June, 1985. Photo by Bill Penning.
1985Fall Late north 9/7 St. Louis L W, 9/7 Clay LCF, 9/26 Kanabec SSt; late south 9/21 Rock RJ, 9/22 Brown JS, 10/9 Hennepin SC.
1986Spring Early south 5/4 Houston JP/ AM, Hennepin TTu, 5/5 Ramsey KB, Lac qui Parle TM, Brown JS, Washington SSt, 5/7 Washington BE, 5/8 Le Sueur MF; early north 5/11 Clearwater AB, Aitkin WN, 5/12 Marshall ANWR, Clay LCF, 5/13 Otter Tail SDM, 5/14 Carlton LW.
1986Summer Nested in Crow Wing, Anoka (JH), Ramsey. Also seen in 27 other counties in all regions except the northeast, but concentrated in a diagonal band extending from Houston to Lake of the Woods.
1986Fall Late north 8/31 Clearwater AB and Clay LCF and Aitkin WN; late south 9/20 Ramsey KB, 9/22 Brown JS, 9/24 Houston EMF.
1987Spring Early south 5/7 Houston EMF, 5/9 Scott AB, Lac qui Parle FE and Brown JS, 5/10 Ramsey KB and Goodhue BDC, DZ; early north 5/7 Wadena DB, 5/13 Becker RJ, 5/16 Douglas PP and Clay LCF.
1987Summer Probable nesting in Brown. Also seen in 29 other counties throughout range.
1987Fall Late north 8/31 Polk AB, 9/5 Clay LCF, 9/19 Duluth PB; late south 9/12 Houston EMF, 9/18 Hennepin SC, 9/26 Dakota TT.
1988Spring Early south 5/1 Olmsted JEB, 5/4 Dakota TI, 5/6 Houston EMF and Stearns NHI; early north 5/6 Carlton LW, 5/7 Clay LCF, 5/9 Wadena RJ.
1988Summer Nested in Crow Wing, Anoka. Seen in 25 other counties within range as far north as Marshall, Aitkin, Duluth; also seen in Lake (7/29, Isabella, m.ob.).
1988Fall Late north 8/12 Clearwater AB, 8/16 Duluth KE, 8/27 Traverse RJ; late south 9/910 Houston AP, 9/21 Hennepin ES, 9/27 Houston EMF.
1989Spring Early south 5/6 Goodhue m.ob., 5/7 Brown JS and Ramsey KE, 5/10 Dakota JD; early north 5/13 Clay LCF, Itasca BK, Pennington RJ, AP, 5/20 Duluth KE.
1989Summer Probable nesting in Crow Wing, Anoka. Seen in 14 other counties in the east central and southeast; plus Clay, Mahnomen, Becker, Clearwater, Wadena, Cass, Aitkin in the north and Lac qui Parle, Brown, Rice in the south.
1989Fall Late north 9/10 Beltrami DJ, 9/16 Kanabec RJ, 9/21 Duluth PS; late south 9/10 Fillmore NAO, 9/20 Hennepin SC, 9/21 Houston EMF.
1990Spring Early south 4/28 Houston FL, 5/4 Washington WL, 5/7 Winona JD, CS; early north 5/5 Pennington KSS, 5/10 Kanabec GS, 5/12 Carlton LW and Otter Tail MO.
1990Summer Nested in Crow Wing, Anoka; seen in 29 other counties in all regions except northeast and southwest.
1990Fall Late north 8/24 Douglas RJ, 8/26 Otter Tail SDM, 9/3 Clay MO; late south 9/19 Sherburne SWR, 9/23 Brown JS, 9/25 Hennepin sc.
1991Spring Early south 4/28 Le Sueur MTS, 5/9 Goodhue WP and Hennepin SC early north 5/11 Beltrami DJ, 5/12 Becker SDM and Otter Tail MO, 5/14 Clay LCF
1991Summer Nested in Crow Wing; seen in 29 additional counties in all regions except southwest and northeast.
1991Fall Late north 9/8 Aitkin WN, 9/11 Clay MO, 9/13 Becker BB; late south 9/5 Winona CS, 9/14 Murray RJ, 9/20 Hennepin TT.
1992Spring Early south 5/2 Le Sueur EK and Washington TT, 5/8 Hennepin SC and Olmsted JB; early north 5/9 Aitkin WN, Becker BBe and Clay LCF, 5/11 Pennington MCBS, 5/12 Cass RJ.
1992Summer More reports than usual. Nested in Anoka; probable nesting in Pennington, Becker. Seen in 32 additional counties as far northeast as Lake of the Woods, St. Louis and as far southwest as Clay, Kandiyohi, Brown, Faribault; plus 6/14 Pipestone and Rock HK.
1992Fall Late north 9/6 Aitkin WN, 9/7 Itasca TL, 9/12 Clay LCF; late south 9/15 Winona CS, 9/17 Washington PC, 10/2 Houston EMF.
1993Spring Early south 4/30 Washington PC, 5/6 Dakota KB, Goodhue DSm, Hennepin SC, Ramsey DB, DC and Rice TB. Early north 5/8 Becker BBe, BK and Kanabec CM, 5/10 Beltrami DJ, 5/14 Clay LCF.
1993Summer Observed in 31 counties in all regions except northeast and southwest.
1993Fall Late north 8/31 Beltrami AB, 9/5 Aitkin WN and Polk PS, 9/6 Kanabec CM. Late south 9/22 Houston EMF, 9/23 Brown JS and Rice TB, 9/25 Anoka KB.
1994Spring Early south 5/3 Washington WL, 5/8 Scott DN, 5/10 Jackson RJ and Washington DZ; early north 5/13 Becker BK and Kanabec CM, 5/14 Wilkin SDM, 5/15 Aitkin WN.
1994Summer Nested in Winona JPo; probable nesting in Cass. Seen in 24 additional counties as far northeast as Koochiching, Carlton; and as far west as a line through Kittson, Otter Tail, Brown.
1994Fall Late north 9/16 Carlton LW, 9/18 Beltrami DJ, 9/19 Kanabec CM. Late south 9/23 Anoka KB and Dakota RH, 9/24 Hennepin TT, 9/27 Houston EMF and Winona CS.
1995Spring Early south 4/21 (ties second earliest date on record) Renville DBM, 5/7 Dakota TT and Hennepin SC, 5/9 Winona CS; early north 5/12 Kanabec CM, 5/14 Becker BBe and Douglas SW, 5/16 Carlton LW.
1995Summer Nested in Winona. Observed in 30 other counties in all regions except southwest; including 6/7 Cook KMH (The Loon 67:179–180).
1995Fall Late north 9/8 Kanabec CM, 9/9 Carlton LW, 9/20 Kanabec CM. Late south 9/20 Houston EMF, 9/22 Goodhue KB, 9/28 Houston EMF.
1996Spring Early south 4/28 Kandiyohi mob, 5/13 Winona CS, 5/14 Hennepin SC. Early north 5/12 Douglas SWa, 5/16 Cass DaC fide MN, 5/19 Carlton LW.
1996Summer Probable nesting in Crow Wing; seen in 30 additional counties in all regions except southwest and northeast.
1996Fall Late north 9/14 Kanabec CM, 9/16 Crow Wing JS/MN, 9/20 Aitkin WN. Late south 9/19 Winona CS, 9/22 Big Stone LE, 9/25 Hennepin SC. Also reported 8/25 Kittson (10) KB.
1997Spring Early south 5/2 Hennepin WM, 5/10 Hennepin SC and Rice JL. Early north 5/16 Morrison WB, 5/17 Aitkin WN and Kanabec CM.
1997Summer Seen in 31 counties in all regions except northeast; probable nesting in Crow Wing, Hennepin, Lyon.
1997Fall Late north 9/20 Aitkin WN, 9/26 Kanabec CM, 10/6 (latest north date) St. Louis fide KE. Late south 9/7 Hennepin WM, 9/14 Brown JSp, 10/5 Hennepin SC.
1998Spring Early south 5/7 Brown JSp, 5/9 Brown CK. Early north 5/9 Todd PP and Aitkin WN, 5/10 Kanabec CM.
1998Summer Observed in 33 counties in all regions except northeast and southwest; probable nesting in Kandiyohi.
1998Fall Late north 9/4 Aitkin WN, 9/7 Aitkin (Tamarack) CB, 9/12 Wadena PBi. Late south 9/19 Brown JSp, 9/20 Dakota LE and Ramsey TT, 10/1 Hennepin SC.
1999Spring Arrived south on time with peak migration 5/8–10. First reported 5/1 Mower DSm. Early north 5/8 Morrison MJ/DT and Kanabec CM, 5/9 Carlton LW.
1999Summer Most reports ever for this species. Observed in 38 counties in all regions except northeast (but only Lyon in southwest and Otter Tail in west central).
1999Fall Late north 9/11 Kanabec CM and Otter Tail DST, 9/12 Carlton LW, 9/27 Beltrami PBD. Late south 9/19 Hennepin SC, 9/21 Meeker CMa, 9/22 Fillmore NO.
2000Spring Reported from 22 south and 16 north counties in all regions, but only St. Louis in northeast. Arrived within three days of recent medians south (5/2) and north (5/10). Daily arrivals in multiple south counties beginning 5/4 Brown JSp and Rice TBo. Early north 5/7 Wadena PBi, but mostly arrived in north 5/14–19.
2000Summer Record high number of reports for second consecutive year. Observed in 40 counties in all regions except northeast; reported as far southwest as Lac qui Parle, Lyon, Murray.
2000Fall Found in all regions but the northeast and southwest. Late north 9/10 Beltrami DPJ, 9/11 Kanabec CM. Late south 9/23 Hennepin SLC, 9/25 Fillmore NBO.
2001Spring Observed in 33 south and 21 north counties, including 5/19 Lincoln RJS, but only St. Louis in Northeast region. Early south 4/30 in six counties, 5/1 in three. Early north (record early) 4/30 Kanabec CAM, 5/1 Aitkin WEN, 5/3 Carlton LAW, 5/5 Wadena PJB.
2001Summer Many reports for the third consecutive year. Seen in 40 counties roughly along the diagonal from the southeast to northwest corner; new nesting record in Otter Tail SMT.
2001Fall Reported from all regions. Late north 9/16 Wadena PJB, 9/19 Clay RHO. Many reports south in mid-September; last seen 9/22 Carver SWe, 9/27 Houston FZL.
2002Spring Seen in 25 south and 17 north counties. Early south 4/25 Mower RDK, RCK, 5/3 Houston FZL, 5/4–6 in six counties. Early north 5/5 Wadena PJB, 5/6 Kanabec CAM, peak migration 5/13–18.
2002Summer Many reports, similar to previous three years. Seen in 40 counties in all regions, including Carlton and St. Louis in the Northeast, Yellow Medicine and Lincoln in the Southwest.
2002Fall Late north 9/8 Hubbard JJS, 9/13 St. Louis MJF, 9/15 Carlton LAW. Late south (recent median 9/26) 9/30 Chisago DCZ, 10/1 Goodhue BRL and Hennepin TAT, 10/6–7 Hennepin ChM, SLC.
2003Spring Early south 4/20 (ties earliest date) Dakota SWe, 5/4 Fillmore NBO, 5/5 Rice TFB, then new counties daily. Early north 5/16 Carlton LAW and Todd JSK, SID, 5/17 in three counties.
2003Summer Found in 39 counties in all regions except Southwest; observed as far northeast as Lake. New nesting record in Pine JMP.
2003Fall Late north (median 9/17) 9/20–21 St. Louis JJS, MTA; also reported from Beltrami, Carlton, Cass, Kittson, Red Lake, Wadena. Total of 29 reports from 19 south counties, including 10/4 Hennepin TAT, 10/19 (ties second latest date) Hennepin DCZ.
2004Spring Found in 14 north and 29 south counties in all regions. Early south 5/4 Rice TFB, 5/6 Fillmore NBO, Freeborn AEB, plus five more counties over the next two days (median 5/1). Early north 5/8 Kanabec CAM, 5/9 Carlton LAW, 5/13 Aitkin WEN (median 5/9).
2004Summer Reported from 36 counties in all regions of state.
2004Fall Late north 9/14 St. Louis MTA, 10/19 Otter Tail JEB, 10/20 (previous record late north was 10/6) Clay JEB. Late south 9/24 Houston FZL, 9/25 Dakota SWe, 10/7 Houston FZL.
2005Spring Early south 5/6 Meeker DMF and Scott WCM, 5/7 Dakota, Goodhue, Hennepin. Early north 5/14 Clay DPJ, 5/15 Morrision HHD, 5/16 Cass, Crow Wing, Mille Lacs. Both arrivals five days later than recent medians.
2005Summer Most reports ever: seen in 43 counties in all regions except Northeast.
2005Fall Found in 12 north and 20 south counties. Late north 9/17 Clay BWF, 9/18 Carlton LAW, 9/25 Pennington JMJ (median 9/17). Late south 9/20 Fillmore NBO and Nicollet RMD (median 9/27).
2006Spring Early south 5/3 Anoka REH and Goodhue LBF, 5/4 Dakota and Ramsey. Early north 5/8 Crow Wing JEB, RBJ, 5/13 Mille Lacs ASc, 5/14 Carlton and Cass.
2006Summer Reported from 57 counties in all regions of state.
2006Fall As with all the following vireos, reported from every region. High counts 8/27 Anoka (5 at Linwood L.) DWK, 8/23 Sherburne (4) ASc. Late north 9/16 Carlton LAW, 9/20 St. Louis SLF (median 9/19). Late south 9/23 Wabasha HHD, 9/27 Hennepin CMB (median 9/27).
2007Spring1946 Early south 5/1 Goodhue OWB, 5/4 Rice DAB, 5/5 Hennepin, Le Sueur, and Waseca (median 5/2). Early north 5/5 Mille Lacs ASc, 5/8 Carlton LAW and Cass BAW (median 5/9). Record high count 5/9 Scott/Dakota (14 at Murphy-Hanrehan P.R., mostly in Scott) BAF. First county record 5/17 Nobles †BTS.
2007Summer2038 Reported from record high number of counties in all regions of the state.
2007Fall1625 High count 8/25 Scott (7, Murphy-Hanrehan P.R.) BAF. Late north 9/4 Hubbard, Wadena LBF, 9/7 Mille Lacs ASc, 9/16 Carlton LAW (median 9/19). Late south 9/22 Anoka JBB, Dakota SWe, Washington LS, 10/8 Ramsey BRL (median 9/27).
2008Spring1637 Early dates identical with recent medians. Early south 5/1 Rice DAB, TFB, 5/2 Dakota DAT, 5/3 Benton MJB, Goodhue DAC, SWe, Sherburne MCA. Early north 5/9 Cass BAW, Mille Lacs RBJ, 5/13 Kanabec CAM, Mille Lacs ASc, 5/14 Kanabec DPG. High count 5/16 Scott (17, Murphy-Hanrehan P.R.) BAF.
2008Summer1933 Reported from all regions except Southwest.
2008Fall1628 High counts 8/16 Carver (7, Rapids Lake Unit, Minnesota Valley N.W.R.) JCy, 8/30 Scott (7, Murphy-Hanrehan P.R., north trails.) BAF. Latenorth 9/12 Morrison DMF, St. Louis PHS, 9/13 Grant HHD, St. Louis KCR (median 9/19). Late south 9/19 Fillmore NBO, 9/20 Pope DBM, 10/10 Dakota ADS, JPM (median 9/27).
2009Spring1843 Early south (median 5/1) 4/28 Mower ARW, 4/30 Rice TFB, 5/4 Houston NBO. Early north (median 5/9) 5/6 Cass DAY, 5/11 Mille Lacs RBJ, 5/14 Becker DBM, Morrison MJB. High count 5/17 Carver (5) JCy.
2009Summer2437 Observed in all regions except Southwest. First county breeding record from Hennepin RLR. High count 7/11 Scott (12, Murphy-Hanrehan P.R.) BAF.
2009Fall1136 High count 9/12 Dakota, Scott (9, Murphy-Hanrehan P.R., mostly males on territory) BAF. Late north, 9/13 Carlton LAW, 9/26 Mille Lacs ASc (median 9/19). Late south 9/23 Dakota SLP, 9/26 Hennepin SLC, Winona JCC (median 9/27).
2010Spring2043 Early south (median 5/1) 5/2 Washington DFN, 5/3 Rice TFB, 5/4 Dakota LEC. Early north (median 5/9) 5/13 Cass BAW, 5/14 Douglas ARW, Otter Tail ARW. High count 5/22 Scott (7, Murphy-Hanrehan P.R., north trails) BAF.
2010Summer2439 Observed in all regions of the state. First county breeding records for Carlton MSS, St. Louis MTh.
2010Fall1932 High counts 9/4 Scott (6, Murphy-Hanrehan P.R.) BAF. Late north 9/11 Traverse DBM, 9/18 Otter Tail HHD (median 9/19). Late south 9/21 Hennepin SKS, SLC, 10/1 Carver DBM, followed by 10/10 Rice (banded) ph. DAT, two weeks after the 9/27 median.
2011Spring3144 Early south (median 5/1) 5/7 Carver JCy, Dodge DBz, Goodhue JFR, SWe, RTe, Isanti HHD, Olmsted JWH, Rice DAB, JMN, Stearns PCC. Early north (median 5/9) 5/10 Hubbard MaH, Kanabec, Mille Lacs RAE, 5/11 Carlton LAW, Cass BAW, JeM, DTM. High count 5/17 Carver (7, Carver P.R.) JCy.
2011Summer2441Reported from all regions of state.
2011Fall1930 High counts 8/14 Carver (5, Carver P.R.) JCy, 8/14 Scott (5, Murphy-Hanrehan P.R.) BAF. Late north 9/16 Lake (Gooseberry Falls S.P.) MFS, 9/19 Crow Wing LBF, 10/2 Morrison FGo (median 9/19). Late south reports included two well after the 9/27 median, 10/8 Sherburne FGo, 10/9 Hennepin SLC.
2012Spring2445 Early south (median 5/1) 5/1 Goodhue GJM, 5/2 Rice TFB, Sherburne ASc, 5/3 Carver KSo, Goodhue (2) LEC, Rice DAB. Widespread arrivals north (median 5/9) beginning 5/5 Douglas JPE, Grant DBz, Mille Lacs DPG, Morrison FGo, MJB, Todd (2) JLK. High count 5/22 Carver (8) JCy.
2012Summer3045 Observed in all regions of state. High count 7/2 Cass (7, Home Brook Twp.) PME. First county breeding record from Aitkin WEN. [Corrected]
2012Fall2440 More reports than usual for the fall season. High count 8/28 Carver (5, Rapids Lake Unit Minnesota Valley N.W.R.) JCy. Late north 9/14 Traverse HHD, RAE, 9/15 Clay MO, 9/17 Cass (2) BAW (median 9/19). Late south 9/24 Sibley GLa, CRM, RZi, 9/29 Carver JCy (median 9/27) .
2013Spring2445 Early south (median 5/1) 5/1 Hennepin CAs, 5/2 Ramsey JaK, 5/5 Carver ALo, CRM. Early north (median 5/9) 5/14 Pine (2) JMP, 5/15 Cass (2) BAW, Douglas JPr, Grant WCM. High counts 5/25 Clay (9, Buffalo River S.P.) MO, 5/26 Becker (8) MO.
2013Summer3043 Observed in all regions of state. High count 8 on 6/1 Carver (Lowry N.C.) JMg.
2013Fall1934 High count 9/7 Meeker (7) RMa. Late north 9/15 Morrison HHD, 9/19 Pine DAC, RBJ, ToL (median 9/19). Late south 9/22 Carver JCy, 9/27 Hennepin DPa, 9/28 Brown MiO (median 9/27).
2014Spring2444Early south (median 5/1) 5/5 Rice JSP, Steele PSu, 5/6 Ramsey SBE, SWl, 5/8 widespread arrivals. Early north (median 5/9) 5/10 Morrison JFR, MEm, 5/11 Wadena PJB, 5/15 Morrison HCT, PEB. High count 5/22 Carver (10, Carver P.R.) JCy.
2014Summer2738Found in all regions of state. High count 6/4 Goodhue (14, Prairie Island, Lower Island Conservation Area) GJM.
2014Fall2737 High counts 9/1 Nicollet (6, Seven Mile Creek C.P.) WCM, 9/18 Scott (6, Murphy-Hanrehan P.R.) BSx. Late north 9/15 Otter Tail RAE, HHD, 9/18 Otter Tail DBi, 9/26 Mille Lacs JAn (median 9/19). Late south 9/27 Anoka DWK, Goodhue LEC, Washington PNi, 9/28 Carver JCy, 10/16 Hennepin (Fort Snelling S.P.) †BAF (median 9/27).
2015Spring2849 Early south (median 5/1) 5/3 Fillmore DCZ, 5/4 Olmsted LAV, 5/5 Hennepin JWl. Early north (median 5/9) 5/7 Crow Wing ABi, Pine BDo, 5/8 Beltrami DPJ, Crow Wing JPR. High counts 5/23 Anoka (11, Carlos Avery W.M.A.) SBM, 5/16 Sherburne (7, Woodland Trails Park) JlB.
2015Summer3044 Observed in all regions. First county breeding record for McLeod PRH. High count 7/1 Washington (11, William O'Brien S.P.) TTh.
2015Fall2539 Numerous high counts of 5 individuals. Late south 9/12 Douglas, Otter Tail and Todd MJB, 9/17 Crow Wing PSP (median 9/19). Late south 9/27 Hennepin CMB, JBu, 10/1 Houston DPG, 10/6 Carver JCy (median 9/28).
2016Spring3048 Early south (median 5/1) 5/5 Washington PNi, 5/6 Rice TFB, 5/7 Goodhue SWe, m.ob., Washington PRH, PNi, ASu, Winona DWK. Early north (median 5/9) 5/11 Kittson LSm, Pine TJo, 5/12 Pine SC, 5/13 Otter Tail ANy, DBz. High count 5/12 Steele (6, Oak Glen Lake) JnS.
2016Summer2943 Observed in all regions. High count 6/28 Stearns (12, St. John's Arboretum in St. Cloud) PCC, RPR.
2016Fall2643 High counts 8/26 Swift (5, Monson Lake S.P.) DOr, 8/28 Carver (5, Carver P.R.) JCy, 8/30 Hennepin (5, Fort Snelling S.P.) BAF, 9/7 Jackson (5, Black Bridge Rd.) DAk. Late north 9/12 Marshall NaH, 9/17 Pine SBE, 9/18 Pine LEv (median 9/19). Late south 10/6 Hennepin CMB, 10/13 Olmsted BoA (median 9/29).
2017Spring2549 Early south (median 5/2) 5/2 Hennepin SKe, 5/3 Winona AMz, 5/6 Hennepin AMz, Scott ANy, Wabasha SHo. Early north (median 5/9) 5/10 Crow Wing DBz, ABi, Pine JSP, 5/11 Crow Wing EGa, Douglas JPE. High counts 5/13 Hennepin (12, Minnesota Valley N.W.R. Headquarters) SBE, 5/14 Ramsey (7, Crosby Farm R.P.) DTr, JEd.
2017Summer3041 Reported from every region. High count 6/16 Otter Tail (10, Pelican Rapids, Beach Rd.) MO. First county breeding record 8/31 Washington PAl.
2017Fall2234 High count 8/2 Carver (6, Carver P.R.) JCy. Late north 9/19 Morrison RBJ, 9/27 Crow Wing EGa, 9/30 Todd JLK (median 9/19). Late south 9/30 Dakota AJF, Meeker RMa, Washington KnM, ASu (median 9/30).
2018Spring3249 Early south (median 5/2) 5/2 Houston DBz, Jackson KEm, Washington DSh, 5/3 Hennepin CMB, BKa, SBM. Early north (median 5/9) 5/7 Pine KrM, 5/8 Itasca SC, Pine SBE, 5/9 Kanabec AyC, St. Louis JPR. High counts 5/13 Goodhue (10, Frontenac S.P.) ASu, LiH, 5/20 Clay (9, Buffalo River S.P.) LSl.
2018Summer3146 Found statewide. High count 6/16 Fillmore (14, Root River Trail) RHe. First county breeding records 7/26 Lac qui Parle DLP, 8/10 Steele PSu.
2018Fall2745 Rare fall record 9/1 Lake  (Two Harbors) SLL, JWL. High count 9/8 Crow Wing (10) RMD. Late north 9/15 Mille Lacs DWK, Pine JJu, 9/16 Crow Wing PSP, then record-late 10/31 Lake (Two Harbors, Lighthouse Point) PLJ (median 9/19). Late south 9/27 Hennepin LiH, KnM, 10/2 Carver JCy, 10/14 Meeker PKF (median 9/30).
2019Spring2749 Early south (median 5/2) 5/5 Fillmore JWH, ANy, 5/6 Brown SLH, Hennepin TSk, BAF, Houston ToM, Winona JPr, JmP. Early north (median 5/9) 5/11 Kittson SES, 5/12 Morrison SEm, KEm, JWH, Otter Tail LSl, Pine LEv. High counts 5/16 Nicollet (12, Seven Mile Creek C.P.) ebd, 5/15 Scott (9, Murphy-Hanrehan P.R.) TSk.
2019Summer3249 Observed statewide. High count 7/7 Scott (12, Murphy-Hanrehan P.R.) BxP.
2019Fall2547 Rare fall records: 8/24 Lincoln KEm, JWH, 8/25 Rock KEm, JWH. High count 9/4 Carver (6, Carver P.R.) JCy. Late north 9/10 Douglas RAE, Mille Lacs PNi, 9/13 Grant CNn, 9/19 Pine ebd (median 9/20). Late south 9/27 Chisago CRM, JMs, RZi, 10/1 Meeker PKF, 10/3 Ramsey APi, Scott BxP (median 10/1).
2020Spring3249 Early south (median 5/2) 4/27 Goodhue ebd, 5/1 Houston ASu, 5/2 Hennepin SOa. Early north (median 5/9) 5/9 Pine KrM, Todd SDi, 5/11 Crow Wing DMz. High count 5/27 Scott (13, Murphy-Hanrehan P.R.) BHe.
2020Summer2949 Found throughout state. First county breeding record 7/21 Kandiyohi JoS.
2020Fall2847 Notable report 8/31 Pipestone (Split Rock Creek S.P.) SDz. High counts 8/3 Scott (10, Murphy-Hanrehan P.R.) BHe, 8/15 Carver (9, Carver P.R.) JCy, 8/15 Carver (9, Victoria) JbS. Late north 9/15 Kanabec MWS, 9/17 Morrison DLP, St. Louis JuG, 9/20 Kanabec SPS (median 9/20). Late south 9/28 Hennepin (New Hope) WFe, Scott ebd, 10/2 Hennepin (NE Minneapolis) ebd, 10/3 Hennepin (Seward neighborhood, Minneapolis) CBt (median 10/1).
2021Spring3052 Early south (median 5/2) 4/30 Sherburne HCT, 5/1 Hennepin CMB, SSc, FFa, DGu, MaJ, VRL, Olmsted LAV, Rice MZa, Washington ebd, Winona AaL. Early north (median 5/9) 5/5 Mille Lacs SC, 5/8 Pine LEv, 5/8–9 Morrison SEm. High counts 5/16 Anoka (11, Lino Lakes) ebd, 5/17 Ramsey (11, Crosby Farm R.P.) LiH, SBE. Unusual report 5/22 Lake (Caribou Falls State Wayside) BWF, ANy, DBz.
2021Summer3347 Found in all regions. High counts 6/12 Sherburne (12, Sherburne N.W.R.) RCl, 6/21 Pope (11, Glacial Lakes S.P.) ebd. First county breeding record: 6/26 Pope ebd.
2021Fall2848 High counts 9/4 Sherburne (14, Sherburne N.W.R.) SMC, 9/6 Le Sueur (12, Sakatah Lake S.P.) ebd. Late north 9/12 Otter Tail ebd, 9/19 Todd SDi, 9/22 Morrison DLP (median 9/20). Late south 9/28 Hennepin ABL, 10/2 Washington ebd, 10/12 Hennepin RTu (median 10/3).
2022Spring3050 Early south (median 5/2) 5/5 Washington PAl, 5/5–6 Hennepin SSc, JBh, KMS, 5/6 Goodhue SDz. Early north (median 5/9) 5/7–8 Pine (St. Croix S.P.) ebd, 5/10 Cass ebd, Mille Lacs (two locations) DMz, ebd, Otter Tail ebd, Pine (two locations) SBE, LEv. High counts 5/17 Sherburne (12, Sherburne N.W.R.) ebd, 5/17 Becker (10, Tamarac N.W.R.) ebd.
 
 Breeds throughout, but rare southwest and northeast. Migrant 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.