Seasonal Report Archive for The Loon - Warblers Occurrence
This is the 1930 to present seasonal report archive for
The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members. 		Seasons
Families
Whistling-Ducks, Geese, Swans, Ducks
New World Quail
Partridge, Pheasants, Grouse, Turkeys
Grebes
Pigeons, Doves
Cuckoos
Nightjars
Swifts
Hummingbirds
Rails, Gallinules, Coots
Limpkin
Cranes
Stilts, Avocets
Plovers
Sandpipers
Jaegers
 Alcids
Gulls, Terns
Loons
Shearwaters and Petrels
Storks
Frigatebirds
Boobies and Gannets
Cormorants
Pelicans
Bitterns, Herons, Egrets, Night-Herons
Ibises
New World Vultures
Osprey
Kites, Accipiters, Hawks, Eagles
Barn Owls
Screech-Owls, Owls
 Kingfishers
Woodpeckers
Caracaras, Falcons
Flycatchers
Vireos
Shrikes
Jays, Nutcrackers, Magpies, Crows
Chickadees, Titmice
Larks
Martins, Swallows
Kinglets
Waxwings
Silky-flycatchers
Nuthatches
Creepers
Gnatcatchers
 Wrens
Thrashers, Mockingbirds
Starlings
Dippers
Thrushes
Old World Flycatchers
Old World Sparrows
Pipits
Finches
Longspurs and Snow Buntings
Towhees, Sparrows
Yellow-breasted Chat
Blackbirds, Orioles
Warblers
Tanagers, Cardinals, Grosbeaks

Seasons
Species: Warblers
Ovenbird
Worm-eating Warbler
Louisiana Waterthrush
Northern Waterthrush
Golden-winged Warbler
Blue-winged Warbler
Blue-winged Warbler
[Golden-winged Warbler X Blue-winged Warbler]
[Lawrence's Warbler]
[Brewster's Warbler]
Black-and-white Warbler
Prothonotary Warbler
 Swainson's Warbler
Tennessee Warbler
Orange-crowned Warbler
Nashville Warbler
Connecticut Warbler
MacGillivray's Warbler
Mourning Warbler
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
American Redstart
Kirtland's Warbler
 Cape May Warbler
Cerulean Warbler
Northern Parula
Magnolia Warbler
Bay-breasted Warbler
Blackburnian Warbler
Yellow Warbler
Chestnut-sided Warbler
Blackpoll Warbler
Black-throated Blue Warbler
Palm Warbler
Pine Warbler
 Yellow-rumped Warbler
[Yellow-rumped Warbler (Myrtle)]
[Yellow-rumped Warbler (Audubon's)]
Yellow-throated Warbler
Prairie Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Black-throated Green Warbler
Canada Warbler
Wilson's Warbler
Painted Redstart
Black-and-white Warbler(Mniotilta varia)
YearSeasonNS
1930SummerA young bird of this species, apparently just out of the nest, was being fed at Island Lake, near Northome, by the writer on June 24th.
1932SummerJohn Huseby founc1 the only nest of this creeper at Millo Lacs. On July 24th tho young were ready to leave. Young being fed out ar the nest were seen a week later near the same place (Swedenborg).
1933Summer The only nest of this creeper was reported by St-redenborg. It was found by Alice Swedenborg on June 19th at Common Loon I..nke, Cook County, and held 4 eggs. On June 21st the writer saw a young bird out of the nest being fed in Itasca Park. The FlickC£, 193.3 • 42 lW?
1934Summer A nest of three well-developed young was found by Prosser at Ham Lake, Anoka County, on June 9th. Two of tho young lest the nest on being disturbed.
1935Summer v!hen Thompson was atEveleth July 22 he saw an f.l.dult of this species carrying food.
1936Summer Asole record for this warbler comes from Aurora where its nest was discovered by one of Thompson's aids; the contents was three eggs. This nest was found June Sth.
1938SummerMr. E. D. Swedenborg saw young fed awing near Brule River, Cook County, on August I5.
1943SummerSt. Louis County, 2 young. 0. La.kela, E. Jones, C. Lieske, and Dr. and Mrs. Gregg.
1964Spring5-4 Stearns Co, RPR; 4-28 Hennepin Co, MAS; 5-5 Ramsey Co, ELC; 5-12 Washington Co, DH; 4-27 Hennepin Co, MER; 4-26 Dakota Co, IG; 5-9 Pope Co, WH; 5-5 Rochester, JPF; 5-1 Wright Co, EC; 5-6 Ramsey Co, ACR; 5-2 Goodhue Co, HH; 5-3 Encampment Forest, J. Pratt_
1964Summerfall dates, 7-18, Meadowlands, St. Louis Co, DM; 8-3, Crow Wing Co, TEM; 8-12, Minneapolis, MAS; 8-23, Minneapolis, DB.
1964Fall9-5 Crow Wing Co, TEM; 9-11 Dakota Co, fide FN; 9-14 Duluth, 6, JCG; 9-27 Duluth, AKA.
1965Springearliest 4-25 Hennepin Co, WJB and 4-28 Hennepin Co, DH, EMB. !&..
1965Falllatest 10-8 Duluth, JCG and 10-11 Two Harbors, RK.
1966Springearliest 4-23 Dakota Co, MIG; 5-1 Nobles Co, HSH; 5-3 Rochester, JPF and Washington Co, WWL.
1966Summer6-18 Cook Co, JCG; 6-24 Itasca Co, ACR; 7-3 St. Louis Co, JCG.
1966FallLatest 9-28 Hennepin Co., JAJ and Morris, JAH; 9-30 Lake Co., RK and Cook Co., MOP.
1967Springearly 4-12 Lake Co., VF; next 5-5 Morrison Co., LSR and Cook Co., RLG, 5-6 Washington. Co., WWL; 5-7 Jackson Co., HSH, Wnght Co., EC, Hennepin Co., JAJ and Duluth, BB. 95 September 1967
1967Summerreported from Clearwater, Cook Co's.
1967Fall latest 9-17 Duluth, JCG; 9-18 Morrison Co., LSR; 9-27 Hennepin Co., VL.
1968Spring early 4-29 Fargo- Moorhead, fide EGA; 5-2 Hennepin Co., KP, Stearns Co., KE; 5-3 Anoka Co., WHL, Pope Co., WH; 5-5 Minneapolis, DB, VL, JAJ; 5-6 Traverse Co., JAH, Nobles Co., HSH, Minneapolis, EHH; one very early record in northeast, 5-8 Tofte, Cook Co., MOP.
1968Summer reported from Cook, Lake, Clearwater, Pine Co's; 8-16 Anoka Co, WHL; 8-30 Wright Co, GES; early fall migrants.
1968FallNumerous August and September sightings in 13 counties; late 10-7 Cook MOP; 11-10 Duluth JCG for Anne K. Arndt.
1969Summerreported from Cook, Lake, St. Louis, Beltrami, Roseau, and Marshall Co's; also 7-10 Mille Lacs Co. MI; 7-9 Morrison Co. LR.
1969Fall8-22 St. Louis 3 banded HM; 8-31 Hennepin CH and WKE; 9-22 Hennepin VL; 9-27 Duluth KS; 10-9 Duluth MC; 10-11 Chisago EL.
1970Summernested in Crow Wing Co.; reported from Cook and St. Louis Co's. (6 reports).
1971Summerreported from St. Louis, Cook, Itasca, Crow Wing, Lake, Aitkin, Beltrami, Clearwater, Carlton and Sherburne (6-23BD).
1972Fallon 10-6 in Cottonwood Co. (LF),
1973SpringBLACK AND WHIT!: WARBL!:Jh 3S R£J'()RT£1lS QPORTINeo KAJtl.Y IOUTM 41•19  COT'tONVOOD LRJ 4·19 KEHNUJN OBI 4·19 LYON HCXJ &Aftl.Y IIOIITH l-16  MORRISON LSRJ 5-IT STo LOUIS .JCQJ 5~19 CLAY LCJJ PIAl: ._.19 11'&AJIIIJ (I)  KCKJ S-19 STURM& <5> HCKo  
1973Summer Nested in Aitkin (TS); seen in Isanti, Pine, Itasca, St. Louis, Lake, and Cook.
1973Fall Seen in eight counties.
1974Spring Early south 4-13 Rock (1) RBJ earliest date on record; 4-15 Stearns NMH; 4-21 Pipestone KG, DB; early north 4-30 Morrison LSR; 5-4 Mille Lacs MI; 5-5 St. Louis NJH.
1974Summer Reported from Marshall, Lake of the Woods, Clearwater, Aitkin, Itasca, Carlton, Cass, St. Louis, Lake, Cook; also seen on 6-22 in Le Sueur Co. (good details, GR).
1974Fall Late north 9-12 Crow Wing JB. Marshall AR; 9-20 Duluth DB; late south 9-30 Cottonwood LF; 1 0-14 Freeborn DG.
1974Winter One at a feeder in Duluth from 2-15 to 3-21 (J. Clark); good details, first winter record.
1975Spring Early south 4-6 Washington GA (details?), earliest date on record is 4-13; 4-22 Hennepin EPRD and Swift HH; early north 5-3 Clay LCF; 5-4 Cass AES; 5-7 Crow Wing TS.
1975Summer Reported from Cass, Crow Wing, Mille Lacs, Itasca, St. Louis, Lake, Cook and Sherburne.
1975Falllate north 9-23 Duluth JG; 10-1 5 Mille Lacs MI; late south 9-16 Ramsey DM; 9-23 Cottonwood LF; 10-1 Hennepin RJ.
1976Spring Early south 4-18 Stearns MC; 4-23 Cottonwood LF; 4-28 Anoka BB; early north 5-1 Clay NJ; 5-6 St. Louis GN and Crow Wing DK. Phothonotary Warbler 2 reports: 5-1 Houston FL (2nd earliest date on record); 5-20 Goodhue (1) LH.
1976Summernested in Cass; also reported from Kittson, Itasca, Mille Lacs, Carlton, St. Louis, Lake and Cook.
1976Fall Late north 9-25 Crow Wing, 9-26 Duluth; late south 9-23 Hennepin, 925 Olmsted, 9-26 Mower.
1977Spring Early south 4-29 Hennepin GSP; 5-1 Cottonwood ED, LAF; 3 reports on 5-4; early north 5-1 Marshall SVA; 3 reports on 5-5.
1977Summer Nested in Cass and Lake; also reported from Roseau, Lake of the Woods, Marshall, Itasca, St. Louis, Cook, Otter Tail (6-17, GO) and Anoka (7-7, JH).
1977Fall Early south 8-5 Winona (VL), 8-9 Hennepin (VL).
1978Spring Early north 4-27 Otter Tail GO.
1978Summer Seen in 10 counties in the northern regions plus Anoka (Cedar Creek NHA, JLH) and Houston (Winnebago Twp., EMF).
1978Fall Late north 9-2 Beltrami GO, Becker GW and St. Louis RJ; late south 9-21 Freeborn DG and Olmsted VH, 9-25 Anoka KL.
1979Spring Early south 4-29 Rice BDC, Cottonwood LF; early north 5-2 Becker SM; late south 5-30 Anoka JLH.
1979Summer Seen in Cook, Lake, St. Louis, Carlton, Pine, Mille Lacs, Anoka (Cedar Creek), Itasca, Cass, Clearwater, Otter Tail (Maplewood SP), Clay (Moorhead, 6-14, L&CF).
1979Fall Early south 8-15 Anoka KL, 8-16 Murray AD; late north 9-22 St. Louis JG, 9-26 Pennington KSS; late south 9-28 Nicollet JCF, 9-30 Houston EMF.
1980SpringEarly south 4-4 Anoka BH, 5-2 Hennepin OJ, Olmsted JB; early north 5-1 Cook TB, St. Louis AE, 5-4 Otter Tail GMO.
1980SummerBreeding reported from Lake, St. Louis, Clearwater; also seen throughout the Northeast and North Central Regions plus Becker, Mille Lacs, Pine, Anoka. Migrant? on 6-4 Scott (RBJ).
1980Fall Early south 8-17 Anoka KL, 8-24 Olmsted JF; late north 9-18 Itasca TL, 9-24 Red Lake KSS; late south 10-6 Hennepin SC, 11-13 Hennepin laverone Larson.
1981Spring Early south 4-22 Stearns MC, 4-25 Lac qui Parle HK, Washington DR, 4-26 Houston EMF; early north 4-30 Crow Wing JB, 5-1 Clay TL, 5-2 Otter Tail GW.
1981Summer Breeding data from Cook, Itasca, Seen in 12 other counties within range.
1981Fall Early south 8-16 Anoka JLH, KL; late north 9-26 St. Louis KE, 9-29 Cook KMH; late south 9-25 Hennepin DB, 9-26 Houston EMF, 9-29 Rice KJ.
1982Spring Early south 4-27 Hennepin AB, SC, 5-2 Lyon HK, Rice KJ, 5-3 Wabasha DWM; early north 5-2 Otter Tail SDM, 5-4 Beltrami JSP, 5-6 Mille Lacs CF I KB, Pennington KSS; late south 5-25 Rice KJ.
1982Summer Seen in nine counties in the Northeast and North Central regions plus Pine, Mille Lacs, Kittson (Norway Dunes TNC), Anoka (Cedar Creek NHA).
1982Fall Early south 8/17 Anoka KL, 8/20 Hennepin SC, Houston EMF, 8/21 Hennepin DZ/MC; late north 9/20 St. Louis LE, 9/22 Cook KMH, 9/26 Pennington KSS; late south 9/23 Houston EMF, 9/24 Brown JSp, Nicollet JCF, 9/25 Houston FL.
1983Spring Early south 4/23 Rock KL, 4/26 Lac qui Parle FAE, 4/28 Houston EMF; early north 5/5 Mille Lacs MLWMA, Otter Tail SDM, 5/6 Clay LCF, 5/8 Aitkin WN, Clay TT, Kittson KSS; late south 5/27 Olmsted JF, 5/28 Houston KJ.
1983Summer Seen in 8 counties in the Northeast and North Central plus Kittson, Mille Lacs, Sherburne, Anoka, Hennepin (Wolsfeld Woods).
1983Fall Late north 9/20 St. Louis AE, 9/25 Cook KMH, St. Louis VR, 10/2 St. Louis MH; late south 10/2 Brown JSp, Lincoln RJ, Olmsted JEB, 10/3 Houston EMF, 10/4 Hennepin SC.
1984Spring Early south 4/26 Hennepin OJ, VL, Lincoln SWMS, Winnona JH, 4/27 Anoka SC, 4/28 Lac qui Parle PL, Nicollet JCF, Olmsted JEB; early north 4/28 Clay LCF, 5/2 Otter Tail GMO, 5/5 Mille Lacs SSt.
1984Summernested in Anoka; also seen in 13 other counties.
1984Fall Late north 9/18 Kanabec SSt, St. Louis AE, 9/21 Cook KMH, 10/21 Cook KE; late south 9/23 Olmsted RE, 9/27 Hennepin SC, 9/29 Martin RJ.
1985Spring Early south 4/28 Brown JSp, 4/29 Hennepin SC, Mower RRK, 4/30 Cottonwood WH, Ramsey BL; early north 4/28 St. Louis KE, 5/2 Mahnomen MHa, St. Louis AE, 5/4 Polk AB.
1985Summer Probable nesting in Anoka. Also seen in eight counties in the northeast and north central regions plus Marshall (Agassiz NWR) and Hennepin (Elm Creek Park).
1985Fall Late north 9/25 Otter Tail SDM, 9/26 Kanabec SSt, 10/1 Cook KMH; late south 9/22 Brown JS, 9/22 Nicollet JCF, 9/24 Hennepin SC, 10/5 ChippewaRGJ, 10/5 Ramsey KB.
1986Spring Early south 4/26 Brown JS, Lac qui Parle BL, Watonwan RJ, 4/28 Hennepin SC, 4/29 Washington SSt; early north 4/20 Cook SC, 4/28 St. Louis fide KE, 5/5 Lake SWIMS.
1986Summer Probable nesting in Koochiching. Also seen in I I other counties throughout the northeast and north central regions plus Agassiz NWR, Anoka.
1986Fall Late north 9/13 Clay LCF and Cook KMH 9/14 Duluth TM, 9/20 Itasca AB; late south 9/27 Rice RJ, AP, 10/4 Anoka SC, GP, 10/10 Lyon HK.
1987Spring Early south 51 I Anoka SC and Brown JS, 5/2 Blue Earth RJ, Dakota JD, Mower RRK, JM, and Murray ND; early north 5/5 Cook KMH, St. Louis AE and Wilkin GAM, 5/6 Lake SWIMS, 5/8 St. Louis SS.
1987Summer Late migrants 6/6 Olmsted (JBo), 6/10 Murray (AP). Nested in Lake. Also seen in 10 other counties throughout range.
1987Fall Late north 9/13 Cook AB, 9/20 Clay LCF, 9/21 Cook KMH; late south 9/26 Dakota IT, 9/28 Hennepin SC, 9/29 Minneapolis DB.
1988Spring Early south 4/30 Dakota TT, Rice BDC, 5/1 Brown JS, Goodhue DZ, Mower RRK, Ramsey AB and Waseca GS, 5/2 Hennepin SC, KR and Murray NO; early north 5/3 Beltrami TK, 5/5 St. Louis AE, 5/6 Carlton LW.
1988Summer Probable nesting in Aitkin. Seen in 15 other counties within range west to Roseau, Red Lake, Wadena, and south to Hennepin. Early migrant 7/28 Olmsted.
1988Fall Late north 9/14 Cook KMH, 9/18 Aitkin WN, Clay LCF, 10/16 Lake fide KE; late south 9/23 Hennepin DB, 9/25 Blue Earth AB, 10/1 Brown JS.
1989Spring Early south 4/26 Pipestone JP, 4/27 Brown JS, Lyon TG, 4/28 Murray ND, Rice OR; early north 5/2 Clay LCF, 5/5 Hubbard JL, Morrison GS, Pennington SKS, Duluth MHI JS.
1989Summer Nested in St. Louis; probable nesting in Anoka. Seen in ten other northern counties west to Mahnomen, Becker. Prothonotary Warbler feeding young in nest box, 18 June 1989, Russ Soderstrom residence, Fridley, Anoka County (along Mississippi River). Photo by Louie Dinzel.
1989Fall Late north 9/19 Koochiching GM, 9/20 Cook KMH, Lake DPV, 10/18 Duluth PS; late south 9/21 Houston EMF, 9/22 Anoka GP, 9/25 Hennepin SC.
1990Spring Early south 4/27 Hennepin SC, Sherburne Winter 1990 DO, Washington BL, 4/28 Steele KV, 4/29 Murray ND, Rice TB; early north 5/2 Beltrami DJ, Clay LCF, 5/5 Aitkin WN, St. Louis SS, 5/8 Otter Tail SDM.
1990Summer More reports than usual. Nested in Winona CS -first breding record in southeast in many years. Also seen in 14 Northern counties as far west as Becker; plus Isanti, Sherburne, Chisago, Anoka.
1990Fall Late north 9/16 Beltrami DJ, Wilkin MO, 9/25 Cook KMH, 10/6 Lake KR; late south 9/23 Brown JS, 9/24 Sherburne SWR, 9/25 Hennepin SC.
1991Spring Early south 4/27 Brown JS, 4/28 Goodhue WP, Rice TB; early north 5/4 Becker MO, 5/5 Grant SDM, 5/9 Becker BK, Beltrami DJ.
1991Summer Seen in 15 counties as far south as a line through Kittson, Becker, Anoka; plus 7/20 Hennepin SC.
1991Fall Late north 9/22 Otter Tail MO, 9/24 Koochiching GM; late south 9/24 Anoka KB, 9/25 Hennepin TT.
1992Spring Early south 4/25 Houston DN, 4/28 Hennepin SC and Wabasha WDM; early north 4/27 Becker BBe, 5/3 Aitkin WN and St. Louis SS.
1992Summer Probable nesting in Lake of the Woods. Seen in 14 additional counties as far south and west as a line through Marshall, Becker, Anoka; plus 6/5,12 Washington WL, 6/14 Scott TT, 7/10 Hennepin SC.
1992Fall Late north 9/23 Cook KMH, 9/27 Koochiching GM; late south 9/29 Washington DS, 10/9 Hennepin SC.
1993Spring Early south 4/28 Lyon HK, 4/29 Dakota TT, Hennepin SC and Rice TB. Early north 4/26 Becker BBe, 4/30 Clay LCF and Kanabec CM.
1993Summer Seen in 14 northern counties as far west as Roseau, Becker, Otter Tail. Also reported from Anoka, Washington; plus 7/27 Dakota (early migrant?).
1993Fall Late north 9/26 St. Louis KB, TW, 9/28 Cook KMH. Late south 9/30 Washington TEB, 10/31 Hennepin CF, 10/5 Hennepin SC.
1994Spring Early south 4/22 Lac qui Parle RB, 4/23 Brown JS; early north 5/4 Grant SDM and Kanabec CM, 5/7 Aitkin WN and Becker BBe.
1994Summer Probable nesting in Lake. Seen in 14 northern counties as far west as Roseau, Becker, Otter Tail; plus Chisago, Anoka. Of interest was the single male observed throughout the period at Murphy-Hanrahan Park in Scott Co. BF, and the pair seen on 6/11 at Seven Mile Creek County Park in Nicollet Co. BF.
1994Fall Late north 9/24 Cook KMH, 9/25 Pennington KSS. Late south 10/13 Brown JS, 10/15 Hennepin JBe.
1995Spring Early south 4/28 Olmsted CK, 4/29 Lac qui Parle TT, 4/30 Meeker SC; early north 5/4 Kanabec CM, 5/6 Clay CF, 5/7 Carlton LW and Cass AB; late south 5/31 Washington DS.
1995Summer Probable nesting in Crow Wing. Seen in 14 additional northern counties plus Anoka, Hennepin, Washington; also late migrant(?) 6/10 Scott.
1995Fall Late north 9/15 Cook KMH, 9/17 Itasca ABo, 10/11 Aitkin WN. Late south 10/2 Brown JSp, 10/31 Hennepin SC, 11/1 (third latest on record) Hennepin SC.
1996Spring Early south 4/20 Rice JL, 4/28–29 Washington JF, TEB. Early north 5/2 Hubbard RSm, 5/6 Becker BBe, BK.
1996Summer Probable nesting in Cass, Crow Wing. Seen in 13 additional northern counties plus Isanti, Anoka, Chisago; late migrant (?) 6/2 Brown.
1996Fall Late north 9/15 Aitkin CB and Carlton LW, 10/24 (second latest north) St. Louis MB. Late south 9/27 Olmsted CH, 9/29 Anoka KB and Hennepin SC.
1997Spring Early south 4/11 Rice OR, 5/3 Kandiyohi RJFand Anoka SC. Early north 5/7 Hubbard GS, 5/8 Todd JSK/SDu, 5/9 Beltrami DJo. Peak number (25) on 5/17 Dakota BF.
1997Summer Seen in 14 counties as far west and south as a line through Kittson, Marshall, Clearwater, Anoka, Washington; plus 6/20 McLeod RbS. New nesting record in Kanabec CM.
1997Fall Late north 9/24 Kanabec CM, 9/28 St. Louis AE, 10/4 Aitkin WN. Late south 10/8 Houston EMF, 10/14 Hennepin SC, 10/15 Nicollet MF.
1998Spring Early south 4/30 Freeborn ABa, 5/6 Murray and Rock ND. Early north 5/3 Aitkin WN and Becker BBe, 5/6 Todd JSK and Carlton LW.
1998Summer Seen in 17 counties as far west and south as a line through Kittson, Hubbard, Hennepin; plus 6/1 Wright, 7/18 Clay. Probable nesting in Lake.
1998Fall Late north 9/24 Beltrami DJo, 9/26 Itasca ABo, 10/4 Carlton LW. Late south 9/23 Olmsted DA, BE, 9/26 Hennepin TT, 10/9 Hennepin SC.
1999Spring Early south 4/8 (second earliest date) Brown JSp, 4/21 Meeker DF, 4/24 Rice TBo. Arrived north exactly on the recent median arrival date (5/3) in Clay, Beltrami, St. Louis. Late migrants 5/26 Hennepin SC, 5/27 Rice JL.
1999Summer Reported in 16 counties as far west and south as a line through Kittson, Becker, Stearns, Anoka; plus 7/9 Dakota TBo, 7/22 Hennepin SC (migrants?).
1999Fall Departed north and south en masse, about two weeks earlier than usual. Late north 9/16 Beltrami DJo, 9/19 Carlton LW and St. Louis SWe, TW. Late south 9/26 Fillmore NO, Freeborn ABa, Hennepin TT, and Mower DSm.
2000Spring Seen in 24 south and 18 north counties. Early south 4/6 (second earliest) Freeborn ABa, 4/21 Meeker DF, then eight counties 4/28–30. Early north 4/30 Clay RO and Kanabec CM, then daily arrivals 5/3–8.
2000Summer Reported in 16 counties as far west and south as a line through Kittson, Morrison, Anoka; plus 6/28 Hennepin (singing male at Elm Creek Park) SLC, 6/24 Meeker (Darwin Twp.) DMF. New nesting record in Crow Wing JS, MN.
2000Fall Seen in all regions. Consistent north reports through 9/17, but then only 9/24 St. Louis ALE (median 10/1). Late south 9/30 Meeker DMF, 10/4 Hennepin SLC (median 10/5).
2001Spring Seen in 36 south and 24 north counties. Early south (recent median 4/27) 4/21 Fillmore NBO, 4/24–28 in seven counties. Early north (median 5/3) 4/28 Otter Tail SPM, DKM, 4/30 Crow Wing MRN, then daily 5/1–8.
2001Summer Observed in 17 counties as far west and south as a line through Kittson, Becker, Anoka; plus 6/1 Fillmore, 6/2 Meeker, 6/3 Goodhue.
2001Fall High count 9/10 Hennepin (11) ChM. Late north 9/19 Clay RHO and St. Louis ALE, 9/20 Mille Lacs RBJ. Late south 9/24 Fillmore NBO, 9/25 Hennepin SLC. Departed ten days prior to recent medians north and south.
2002Spring Seen in 36 south and 24 north counties. Early south 4/26 Rice TFB, 4/27 Meeker DMF and Rice DAB. Early north 5/3 St. Louis JRN, 5/4 in four counties. Late south (away from known nesting range) 5/27 Meeker DMF. Record high count 5/6 Anoka (43 at Rice Creek) KJB.
2002Summer Reported in 21 counties as far west and south as a line through Marshall, Otter Tail, Hennepin; plus 6/1 Meeker DMF.
2002Fall High count 8/30 Anoka (21) KJB. No reports from the West-central or Southwest. Late north 10/7 Lake JWL, 10/25 Cook REH, 10/27 Cook KRE, 11/20 Crow Wing (record-late by one week, but no written details) fide AXH. Late south 10/19 Houston FZL, 11/3 Hennepin †SLC.
2003Spring Found in 32 south and 19 north counties. Arrived within one day of medians, south and north. Early south 4/27 Hennepin SLC, 4/28 Sherburne PLJ and Wabasha JJS. Early north 5/3 Clay DDW and St. Louis JWL, 5/4 Becker, Otter Tail, Polk. Late south (away from known nesting areas) 5/31 Rock KRE.
2003Summer Seen in 22 counties as far west and south as a line through Kittson, Otter Tail, Anoka; plus 7/21 Hennepin SLC and territorial male throughout June in Scott (Murphy-Hanrehan P.R.) BAF.
2003Fall Reported north through mid-September, then only found 9/27 Carlton LAW and St. Louis DWK, 10/2 Lake JWL (median 9/28). Record-high count 9/15 St. Louis (50 at Park Point, Duluth) SCB, PHS. Late south 9/26 Houston FZL, 9/28 Brown BTS, 9/29 Hennepin SLC (median 10/4).
2004Spring Early south 4/24 Lac qui Parle BJU, 4/28 Rice TFB, 4/29 Freeborn AEB and Mower RDK, RCK (median 4/26). Early north 4/28 Otter Tail SPM, 4/30 St. Louis SLF, 5/3 Becker MWy (median 5/3).
2004Summer Reported from 15 north and 3 south counties.
2004Fall Found in all regions except the Southwest. Early south 8/13 Wright KTP, 8/17 Hennepin ChM. Late north 9/25 Lake JWL, then several reports from St. Louis culminating with 10/7 SLF (median 10/1). Late south 9/24 Brown, Houston and Ramsey, 9/25 Dakota SWe, 9/27 Hennepin SLC (median 10/4).
2005Spring Reported from 23 north and 32 south counties. Early south 4/24 Meeker DMF, then none until 5/4 Mower HHD, 5/5 Dakota, Fillmore, Freeborn, Rice. Early north 5/6 Pine JMP, 5/7 Clay DPJ, St. Louis SES.
2005Summer Fewest reports since 1989: observed in ten counties in North-central and Northeast, plus Pine, Kanabec, Mille Lacs, Sherburne.
2005Fall Four north reports later than median (9/28): 9/30 Pine JMP, 10/1 Koochiching BJU, 10/20 St. Louis SLF, 10/30 (third-latest north date) Pine JMP. Late south 9/23 Rice DAB, 9/24 Fillmore NBO, 10/3 Dakota RBW (median 10/4).
2006Spring Reported from 25 north and 41 south counties. Early south 4/25 Rice DAB, 4/28 Meeker DMF, 4/30 Blue Earth, Goodhue and Waseca. Early north 5/3 Carlton LAW, 5/5 Pine DFN, JMP, 5/6 Wadena PJB. High count 5/29 St. Louis (10) TPW.
2006Summer Reported from 23 counties north and east of a line from Polk to Meeker to Olmsted. New nesting record for Chisago BWF.
2006Fall Reported from 15 north and 27 south counties. High counts 8/18 Hennepin (15) DWK, 8/28 Anoka (12) DWK. Late north 9/20 Pine and St. Louis, 9/23 Mille Lacs RBW and St. Louis JWH (median 10/2). Lingered south later than recent median (10/3): 10/4 Dakota LBF, 10/5 Yellow Medicine BJU, 10/17 Big Stone RBJ.
2007Spring2537 Early south 4/22 Scott BAF, 4/23 Goodhue JWH and Ramsey BRL (median 4/26). Early north 4/22 Carlton BDA, 4/29 Pennington JMJ, 5/3 Cass BAW (median 5/3). High count 5/29 St. Louis (20) TPW.
2007Summer203 Reported from all northern regions except West-central, plus 6/3 Sherburne (2) DWK, 6/5 Jackson RBJ, 6/15 Sherburne (5) ASc, 7/23 Anoka (2) DWK.
2007Fall2334 High counts 8/26 Dakota (25) SWe, 8/13 St. Louis (16) PHS. Late north 9/23 St. Louis PHS, ABL, 9/28 St. Louis (3) SLF, 9/30 Clay RHO (median 10/2). Late south 10/3 Waseca JPS, 10/4 Ramsey REH, 10/6 Hennepin BAF (median 10/4).
2008Spring3139 Early south (median 4/26) 4/23 McLeod PRH, 4/28 Meeker DMF, 4/29 Hennepin DAC. Early north (median 5/3) 4/26 Otter Tail SPM, 4/29 Lake fide JWL, 5/1 Hubbard JEB. High count 5/22 Marshall (26, Agassiz N.W.R. headquarters) PHS.
2008Summer1810 Most reports ever. Reported from all northern regions and Central, East-central plus Rice.
2009Spring2839 Early south (median 4/26) 4/23 Rice LEC, 4/24 Carver WCM, Fillmore NBO, Hennepin TAT, Rice TFB, Sherburne PLJ, Washington DFN. Early north (median 5/3) 5/5 Todd MSK, 5/6 Beltrami DPJ, Cass BAW, MRN, Hubbard DCH, Wadena PJB. High counts 5/14 Lac qui Parle (16) BJU, 5/13 Rice (10) DAB.
2009Summer198 Observed in all regions except the Northwest, Southwest, and Southeast. Possible late migrant 6/2 Rice TFB. All other south reports: Stearns, Meeker, Sherburne, Isanti, Anoka, Chisago, Washington. High count 6/25 St. Louis (10) TPW.
2009Fall1834 High count 9/7 St. Louis (10) PHS. Late north 9/22 Lake EEO, Mille Lacs ASc, 9/25 Kanabec RBW, 9/26 Crow Wing (3) JSB (median 10/1). Late south 9/26 Hennepin SLC, 9/27 Carver (2) JCy, Dakota ADS, then no further reports until 10/25 Rice TFB, three weeks after the 10/4 median.
2010Spring2638 Early south (median 4/26) 4/14 Scott GLa, 4/24 Rice TFB. Early north (median 5/3) 4/20 Cass ABi ties the record-early north arrival date, 4/30 Cass BAW. High counts 5/8 Clay (8) RHO, 5/15 Aitkin (8) BHa, 5/25 St. Louis (8, Park Point) PHS.
2010Summer214 Seen in all northern regions plus Central and East-central. First county breeding record from Morrison RPR.
2010Fall2738 High counts 9/12 St. Louis (23, Duluth) KJB, CRu, 9/6 Nicollet (12, Seven Mile Creek C.P.) JCC. Late north 9/18 Grant HHD, 9/19 St. Louis IHu, Todd HHD, 10/9 St. Louis SLF (median 10/1). Late south 9/28 Steele PSu, 9/29 Fillmore NBO, Rock NED, 10/6 Jackson BJU (median 10/4).
2011Spring3250 Early south (median 4/26) 4/22 Ramsey (Crosby Farm Park) SeH, 4/23 Dakota CAB, KCr, 4/29 Hennepin (3) SBM. Early north (median 5/3) 5/1 Pine RAE, HHD, St. Louis JLK, 5/3 Cass BAW. High count 5/9 Hennepin (21) CMB.
2011Summer259Observed in all northern and central regions plus Lyon. First county breeding records for Carlton JLK, Lake of the Woods BWa, Roseau BWa. High counts 6/15 St. Louis (25, Superior National Forest, Echo Trail) AJo, BWi, 6/18 Pine (25) fide BBA.
2011Fall2538 High counts 8/19 St. Louis (14, Indian Point, Duluth) JLK, 9/4 Houston (13, Beaver Creek Valley S.P.) ACr. Late north 9/19 Crow Wing LBF, St. Louis (6) JLK, 9/23 Cook (Temperance River S.P.) KHe, MCu (median 10/1). Late south 9/28 Hennepin 10/1 Dakota ACr, 10/5 Lyon JEB, 10/12 Hennepin SLC (median 10/4).
2012Spring3049 Early south (median 4/26) 4/20 Hennepin (Westwood Hills N.C.) LBi, 4/21 Olmsted MHm. Early north (median 5/3) 5/1 St. Louis ALo, JLK, 5/2 Crow Wing ABi. High counts 5/5 Rice (10) DAB, 5/27 Cass (10) SaK.
2012Summer278 Seen in all regions except South-central. High count 6/15 Lake of the Woods (10, C.R. 2) ErH, First county breeding records for Beltrami fide BBA, Goodhue (August record) fide BBA.
2012Fall2644 High count 8/2 St. Louis (8) EBr. Late north 9/23 St. Louis DAT, GHo, 9/29 St. Louis KJB (median 10/1). Late south 10/1 Hennepin CMB, 10/3 Wabasha ANy, 10/6 Olmsted MHm (median 10/4).
2013Spring2946 Early south (median 4/26) 4/25–28 Olmsted MHm, 4/29 Hennepin KvB, 4/30 Dakota ADS, HSt, Faribault WAF, Hennepin KvB, CMB, RDa. Early north (median 5/3) 4/30 St. Louis PHS, 5/2 Clay TCL, 5/3 Becker RAE. High count 5/13 Hennepin (21, Minnesota Valley N.W.R.) CRM.
2013Summer299 Seen in all northern and central regions plus late spring migrant 6/1 Freeborn GLa. First county breeding record for Marshall DKb.
2013Fall2836 High count 8/22 Steele (12) PSu. Late north 10/2 Lake ECo, 10/4 St. Louis JLK (median 10/1). Late south 9/26 Mower RBJ, 9/27 Anoka KCo, Olmsted LAV, 9/28 Rice BWF, DAB, 9/29 Houston WCM (median 10/4).
2014Spring3151Early south 4/10 Anoka REH, 4/19 Washington JBl, 4/24 Watonwan RMD, 4/25 Hennepin RBW, all ahead of the 4/26 median. Early north (median 5/3) 4/29 and 5/5 Becker ShG, HeH, 5/5 Cass BAW, Clay RHO, TCL, Crow Wing SC, KeM. High count 5/18 Crow Wing (30, Northland Arboretum) MEm.
2014Summer225Found in all northern and central regions. High count 6/18 St. Louis (13, Sax-Zim Bog) TPM.
2014Fall3341 High counts 8/15 St. Louis (41, Hawk Ridge/Lester River Census) KJB, 9/2 St. Louis (24, Hawk Ridge/Lester River Census) KJB. Late north 10/7 St. Louis KJB, ClN, 10/8 St. Louis KJB, 10/13 Lake JEd, DTr (median 10/1). Late south 10/2 Hennepin CMB, Sherburne PMJ, 10/4 Ramsey TLg, followed by record-late 11/28 Lyon †SSM (median 10/4).
2015Spring3247 Early south (median 4/26) 4/15 Ramsey ELC, 4/18 Lyon GWe, 4/29 Hennepin PRi. Early north (median 5/3) 5/1 Pine MDu, 5/2 Crow Wing DMu. High counts 5/18 St. Louis (26) KJB, 5/11 Lyon (23), 5/17 St. Louis (21) KJB.
2015Summer279 Reported from all northern and central regions, plus Fillmore.
2015Fall2846 High counts 9/1 St. Louis (31, Hawk Ridge/Lester River Census) KJB, 8/30 Hennepin (12, Wood Lake N.C.) SBM. Late north 9/27 Cook (2) JaJ, St. Louis JWH (median 10/1). Late south 10/5 Ramsey MJM, Steele PSu, 10/6 Dakota DVe (median 10/6).
2016Spring3150 Early south (median 4/23) 4/16 Mower DAB, 4/24 Steele PSu, 4/25 Hennepin LSe, BAF. Early north (median 5/2) 4/30 Morrison JEm, SEm, 5/5 Cass DAY, 5/6 Douglas ToR, Hubbard REn, AxB, Koochiching SC, Todd ALu, CSh. High counts 5/23 St. Louis (25, Sax-Zim Bog) KCR, 5/14 Rock (12, Blue Mounds S.P.) LFr.
2016Summer2411 Reported from all northern and central regions.
2016Fall3445 High counts 8/27 Crow Wing (15) CMB, 8/28 Dakota (15) AJF, 8/22 Dakota (14) AJF, 8/21 Hennepin (13) LiH. Late north 9/27 Cook JWZ, Otter Tail WPl, 10/6 St. Louis (Hawk Ridge/Lester River Census) KJB (median 9/30). Late south 10/12 Hennepin CMB, 10/15 Hennepin SKS, LKt (median 10/6).
2017Spring2952 Early south (median 4/23) 4/18 Washington BDo, 4/22 Carver ANy, Hennepin AWi, 4/23 Washington ERH. Early north (median 5/1) 4/27 Douglas ToR, 5/5 Wilkin HWh, 5/6 Wilkin ESc. High counts 5/9 Washington (12, Wilmes Lake Trails) ToL, 5/17 St. Louis (11, Park Point R.A.) JLK, 5/30 Lake (10) NLM.
2017Summer269 Observed in all regions except Southwest, South-central, Southeast.
2017Fall3150 High counts 9/3 St. Louis (17, Hartley Park) JLK, 8/28 Washington (10, Carpenter N.C.) TMn. Late north 10/5 St. Louis TRd, StK, 10/7 Clay PBB, 10/22 St. Louis ebd (median 10/1). Late south 10/2 Benton HHD, Hennepin (Minnehaha Falls) EGB, (Coldwater Spring) BAF, Lac qui Parle DLP, Ramsey JZj, 10/3 Hennepin (Lake Harriet) CWB, Lyon GWe (median 10/6).
2018Spring3352 Early south (median 4/22) 4/26 Stearns LKo, 4/28 Lac qui Parle, 4/29 Brown ebd, Watonwan JuJ, then numerous reports beginning 4/30. Early north (median 5/1) 4/23 Beltrami DPJ, 4/25 St. Louis JLK, 4/30 Aitkin HHD, Beltrami DPJ, Pine KrM. High counts 5/9 Washington (20, Riverside Park) GJa, MWS.
2018Summer2913 Observed in all northern and central regions plus Freeborn.
2018Fall3250 High counts 8/18 St. Louis (18, Park Point R.A.) PHS, 9/2 Yellow Medicine (17, Upper Sioux Agency S.P.) IVa, 8/23 Dodge (15, Tollefson Woods) JmP. Late north 10/4 Lake ELi, St. Louis ebd, 10/8 Roseau LiH, KnM (median 10/2). Late south 10/13 Anoka ebd, 10/19 Washington DnS, PNi, 10/25 Hennepin SBM (median 10/6).
2019Spring3352 Early south (median 4/22) 4/20 Scott BHe, 4/22 Olmsted HeH, ShG, 4/23 Blue Earth KRo, Hennepin ASu, Waseca JMs. Early north (median 5/1) 4/27 Otter Tail RTo, 4/28 Aitkin BDo, LiH, Crow Wing BDo, LiH, St. Louis JLK. High counts 5/6 Dakota (23, Spring Lake P.R.) GUn, 5/25 Becker (21, Tamarac N.W.R.) ebd, 5/6 Hennepin (20) DAd, 5/20 Aitkin (20, Rice Lake N.W.R.) JDz.
2019Summer269 Observed in all northern and central regions. High count 7/1 Aitkin (15, Hedbom Logging Trail Rd.) ASu, 6/22 St. Louis (13, Sax-Zim Bog) ASu, JSu. Potential early fall migrant 7/21 Renville (female, Minnesota River bottoms) DWK.
2019Fall3050 High counts 9/2 Chisago (15, Wild River S.P.) GMd, RSw, 8/25 Carver (12, Carver P.R.) JCy, 8/31 Anoka (12, Linwood Lake) ebd. Late north 10/6 St. Louis (Park Point) GWe, 10/13 St. Louis (Stoney Point) StK, 10/21 St. Louis (Kabetogama S.F.) NSn (median 10/4). Late south 10/7 Dakota BRL, 10/10 Hennepin CMB, 10/13 Hennepin (T. S. Roberts Bird Sanctuary) SDz, CWB, 11/11 Hennepin (Minnehaha Falls) ph. PCu.
2020Spring3153 Early migrants south this season (median 4/22) starting with a record early 4/1 Lyon (S.W.M.S.U.) †NMe, 4/10–11 Washington ebd, JDS, 4/21 Hennepin DyL. Early north (median 5/1) 4/27–29 Clay (River Oaks Park) ebd, TCL, 4/28 Grant CNn, 4/29 Clay (M.B. Johnson Park) PBB, 4/30 Todd AaL, CLu. High counts 5/17 Lyon (28, Camden S.P.) NMe, 5/18 Lincoln (13, Hole-in-the-Mountain C.P.) RJS, 4/28 Lyon (12, S.W.M.S.U.) NMe.
2020Summer2711 Observed in all northern and central regions plus (late migrant?) 6/6 Houston ASu. Astonishing count 6/23 Koochiching (98, Fiero Road, 4.9 miles surveyed by foot in 10.5 hrs) JbS, ebd. First county breeding record 7/12 Hubbard FFa.
2020Fall3251 Recorded in all but four counties. All-time high count for state 9/4 St. Louis (60, Brighton Beach) HTo, StK. Other high counts 9/13 St. Louis (33, Brighton Beach) HTo, StK, TRK, 9/10 Hennepin (24, Cedar Lake) ebd. Late north 9/27 – 10/2 St. Louis (two locations) REn, RLF, JLA, 10/4 Itasca ebd (median 10/4). Late south 10/3 Washington ebd, 10/6 Redwood GWe, Washington DFN (median 10/6).
2021Spring3353 Reported in every county except Norman. Early south (median 4/22) 4/22–24 Wabasha MNb, 4/23 Dakota ebd, 4/24 Washington ebd. Early north (median 5/1) 5/1 from nine locations in seven counties. High counts 5/22 St. Louis (29, Fox Farm Rd.) MLH, 5/8 St. Louis (21, Park Point R.A.) HTo, 5/22 Clearwater (20, Itasca S.P.) BAb.
2021Summer2915 Reported in all northern and central regions plus 6/15 Murray (adult male, Lake Shetek S.P.) ebd, 7/26 Winona (female near McNally Landing) ToM.
2021Fall3252 Found in all but three counties. High counts 9/15 St. Louis (116, almost double prior fall record of 60, Brighton Beach) IDv, 9/21 St. Louis (45, Brighton Beach) IDv, 9/8 St. Louis (24, Brighton Beach) IDv, 8/13 St. Louis (22, Park Point R.A.) ebd. Late north 9/29 Grant CNn, 10/2 St. Louis (Stony Point) StK, IDv, 10/3 St. Louis (Hermantown) JLK (median 10/4). Late south 10/3 Dakota GUn, Redwood KRE, 10/8 Washington ebd (median 10/6).
 
 Breeds north-central, northeast, and east-central. 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.