The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members.
|
Seasonal Report Archive for The Loon - Bitterns, Herons, Egrets, Night-Herons | 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 |
| Species: Bitterns, Herons, Egrets, Night-Herons |
|
American Bittern Least Bittern Great Blue Heron |
Great Egret Snowy Egret Little Blue Heron |
Tricolored Heron Cattle Egret Green Heron |
Black-crowned Night-Heron Yellow-crowned Night-Heron |
| American Bittern(Botaurus lentiginosus) | ||||
| Year | Season | N | S | |
|---|---|---|---|---|
| 1932 | Summer | Anest with four eggs was found by the writer in Polk County, June 2oth. .. | ||
| 1933 | Summer | '1\ro nests were reported, roth by Sam Grimes. The first, found on June 18th at Thief Lake, Marshall County, contained one egg. The second was found on June 21st in Pennington County, and contained 4 eggs. It was located in a.n alfo.lf'o. field 11/00 feet fram the nearest water." | ||
| 1934 | Summer | There are no records for the 11 Thunder-pUL'1pcr11 eJccep:t:, that of a bird flushed from a completed but enpty nest at Grand Like by Hiomenz on June 16th. | ||
| 1935 | Summer | The only observer to report on the Bittern this year wns Dobie, who is stationed at Park Rapids. On June 11th he found 4 eggs. | ||
| 1936 | Summer | An empty nest of this stealthy creature of the mn.rsh was found by Paul High~/ in a blueberry swamp in St. Louis Co. May 26th. | ||
| 1940 | Summer | In a marsh between University Ave. and Hilltop Golf Course (St. Paul) Miss Rhoda Green found a nest with 4 eggs on May 29. At Mendota on June 29, Arnold Erickson and Dana Struthers observed 2 young birds. Mr. A. D. DuBois found a nest of 4 eggs at Lake Minnetonka on June 7· | ||
| 1943 | Summer | Ramsey County, June 15, 4 egg1s. Bro,s. Lewis· and Pius. | ||
| 1945 | Summer | Nest with 3 eggs, June 16, Hennepin Co., Don and Eldeen Jacobs; nest with 1 egg, May 26, Hennepin Co., Fred Blanch and Larry Flahavan. | ||
| 1947 | Summer | 1 nest with 4 eggs, June 6; 1 nest with 4 eggs, June 11; 4 nests with 11 eggs and 2 young, June 29, Lac qui Parle Co., Willis; 1 young, July 27, St. Louis Co., Roberts family. | ||
| 1961 | Spring | seen 26 April near Northfield by Dr. Rysgaard, 30 April in Twin City area by A C. Rosenwinkel and 6 May at north end of Lake Traverse by the Huber brothers. | ||
| 1961 | Summer | An adult was seen feeding three downy young near Norwood, Carver County, by Avifauna} Club members on 23 July. | ||
| 1961 | Fall | Last report as for Least Bittern. | ||
| 1962 | Fall | latest date, Oct. 13, Felton, Clay Co., R. Grant. | ||
| 1962 | Winter | Early Dec, one seen at Howard Lake, Wright Co., by Mrs. Erma Christopher. An unusual record. | ||
| 1963 | Spring | April 12, Roscoe, Stearns County, Jim Muggli; April 15, Kandiyohi County, Mrs. Melvin Broman; April 20, Hennepin and McLeod Counties, A. C. Rosenwinkel; April 27, Lac qui Parle County, Avifaunal Club; May 3, Cokato, Wright County, Erma Christopher; May 13; Shatley, Beltrami County, Mabel Goranson; May 29, Cass County, the Mathisens. | ||
| 1963 | Fall | latest on Oct. 24, Erma Christopher; Nov. 2, Nicollet Co., Avifaunal Club. | ||
| 1964 | Spring | 3-31 Wright Co, EC; very early; 4-10 Douglas Co, MVS; 4-25 Virginia, VFB and Ely, MWM; 5-2 Stearns Co,RPR; 5-19 Chippewa Co, RLH, 5-11 Marshall Co, DLO. | ||
| 1964 | Summer | breeillng in Crow Wing Co, MSB. | ||
| 1964 | Fall | 9-13 Roseau Co, JLR; 9-27 Stevens Co, RAG; 9-28 Duluth, JCG; 10-3 Ottertail Co, RO, RLH; 10-23 Washington Co, ACR. | ||
| 1965 | Spring | earliest 4-8 Douglas Co, MVS; next record 4-21 Cokato, EC and Collegeville, RPR. | ||
| 1965 | Fall | latest 10-21 Marshall Co, DLO and 11-4 Bloomington, WWL. | ||
| 1966 | Spring | earliest 4-10 Washington Co, ACR; 4-18 Collegeville, RPR and Douglas Co, MVS; 4-21 Two Harbors, RK, Norman Co, GSM and Agaasiz Refuge, DLO. | ||
| 1966 | Summer | no nests reported; reported from Ramsey, Rice, Wright, Aitkin, Hennepin, Anoka, Big Stone, Nobles, Swift, Morrison, Crow Wing, Roseau, Stearns, Carver, Norman, Cook, St. Louis and Lake Co's. | ||
| 1966 | Fall | Latest 9-23 Washington Co. (DS) and Carver Co. (FN/MAS); 9-26 Roseau Co., PEB; 11-5 Duluth, photographed by H. Gilbert, fide JCG. | ||
| 1967 | Spring | early 4-12 Marshall Co., AWR; 4-15 Duluth, JGH, Dakota Co., RIC, Lac qui Parle Co., DB; 4-16 Winona Co., FV/ HVBC and Nicollet Co., EMB. | ||
| 1967 | Summer | reported from Morrison, Nobles, Hubbard, Wright, Clearwater, Hennepin, Pope, St. Louis, Crow Wing, Ramsey Co's. | ||
| 1967 | Fall | latest 10-4 Hennepin Co., FN/MAS; 10-7 Lyon Co., PE; 10-13 Becker Co., JAH. | ||
| 1968 | Spring | earliest 4-5 Big Stone Co., JAH; 4-21 Nobles Co., HSH; 4-23 Wright Co., EHD; 4-28 Carver Co., EMB. | ||
| 1968 | Summer | nested in Hubbard Co; also reported from Wilkin, Swift, Mille Lacs, Clearwater, Cass, Morrison, Lake, Washington, Carlton, Crow Wing, Anoka, Cook, Hennepin, Mille Lacs, Roseau Co's. | ||
| 1968 | Fall | 8 -3 Hennepin MHM; latest 10-6 Watonwan DMF; 10-12 Lyon PE; 10-12 Nicollet DB fide A. Bolduc; 10-20 Nobles HSH; 11-6 Blue Earth EDK. | ||
| 1969 | Spring | 4-5 Hennepin Co., CU; 4-15 Duluth, PBH; 4-19 Chisago Co,. FVS; and Anoka Co., BAP; 4-21 Mille Lacs Co., MI. | ||
| 1969 | Summer | reported from Beltrami, Marshall, Mahnomen, Clay, Pennington, Clearwater, Mille Lacs, Crow Wing, Ottertail, Blue Earth, Hennepin, Kandiyohi, Dakota, Morrison, Ramsey, Rice, Nobles, and Wright. Good numbers this summer. | ||
| 1969 | Fall | 10-4 Mille Lacs MI; 10-24 Washington RHJ; 10-25 Cass MC for W.H. Carr; 11-11 Pope WH. | ||
| 1970 | Spring | early south 4-11 Dakota EB; 4-14 Winona TV; early north 4-17 Marshall AR; 4-23 Mille Lacs MI. | ||
| 1970 | Summer | nested in Mille Lacs Co. (Onamia, Ml); also reported from Duluth and Anoka, Meeker, Winona, Stearns, Crow Wing, Marshall, Hennepin, Beltrami, Wright, Murray, and Chippewa Co's. | ||
| 1970 | Fall | late south 1 0-2 ·1 Winona TV and Carver KH; 11-7 Hennepin PE ; late north 10-19 Marshall A R. | ||
| 1971 | Spring | early south 4-16 WashingtonBL; 4-17 Houston JLJ; 4-18 Stearns MLC; earlynorth 4-7 Aitkin JB; 4-19 Duluth JH. | ||
| 1971 | Summer | nested in Mille Lacs; also reported from 17 other counties. | ||
| 1971 | Fall | late 'outh 10..22 l!ennP.pin and Scott 10-n Carver; late north 9-8 Mille Lacs; 10-20 Marshall. | ||
| 1972 | Summer | nested in (Crow Wing), (Mille Lacsl; seen in 18 other counties. | ||
| 1973 | Summer | Seen in 23 counties. Swan (Species ?) Swift Co. (Hollerberg Lake 7-21 BAH). | ||
| 1973 | Fall | Reported from St. Louis, Anoka, Stearns. Peak 9-12 Marsall (100) (AWR). Late south 10-7 Rock (KRE) (latest date available!). Fewer reports than usual. | ||
| 1973 | Winter | An injured bird lingered until 12-25 near Etter, Goodhue Co. (JB). | ||
| 1974 | Spring | Early south 4-13 Hennepin OJ; 4-17 Stearns NMH; 4-17 Lyon HCK; early north 4-20 Pine ML; 4-21 Marshall AR; 4-23 Cass HRH. | ||
| 1974 | Summer | Reported from 21 counties. | ||
| 1974 | Fall | Late south 9-20 Wabasha WDM; 9-25 Ramsey GC; 11-2 Wright B. Johnson; late north 9-15 Itasca DB; 10-28 Marshall AR. | ||
| 1975 | Spring | Early south 4-8 Cottonwood LAF; 4 Winter 1975 13 Hennepin DY; 4-14 Hennepin PG; early north 4-24 St. Louis GJN; 3 reports on 5-2. | ||
| 1975 | Summer | Reported from 20 counties. | ||
| 1975 | Fall | late south 11-11 Hennepin OJ; 11-13 Ramsey WL; 1021 Marshall SV. | ||
| 1976 | Spring | Early south 4-12 Hennepin JG; 4-15 Lac qui Parle CB; 2 reports on 4-17; early north 4-17 St. Louis JCG; 4-19 Marshall SV; 4-20 St. Louis GN. | ||
| 1976 | Summer | reported from 16 counties; fewer reports than usual. | ||
| 1976 | Fall | Late north 10-14 Duluth, 10-29 Marshall; late south 9-7 Anoka, 9-14 Wabasha, 9-25 Le Sueur. | ||
| 1977 | Spring | Early south 4-14 Rock KE; 4-16 Carver DGW; 4-17 Anoka KLF; early north 4-21 Marshall SVA; 4-24 Marshall MS and Otter Tail GO; 4-25 Otter Tail SM. IBIS SP? 1 report: 5-25 (3) Mahnomen John R. Tester, Bruce A. Fall, David F. Parmelee, see Loon 49:181. | ||
| 1977 | Summer | Nested in Lake of the Woods; also reported from 16 other counties throughout the state; continues less common than formerly. | ||
| 1977 | Fall | Late north 10-22 Marshall (SV). | ||
| 1978 | Summer | No breeding reported; seen throughout the state. | ||
| 1978 | Fall | Peak August Marshall (400) ANWR, summer resident Itasca MS; late north 9-23 Becker SM, 10-1 Aitkin PM, 10-25 Marshall ANWR; late south 9-22 Anoka KL. | ||
| 1979 | Spring | Early south 4-18 Wright DCF, 4-21 Anoka KL, Lac qui Parle many observers and Winona JB, JSD; early north 4-17 Becker TNWR, Marshall ANWR, 4-18 Beltrami JM. Peak 5-16 Marshall ANWR (200). Whistling Swa,n Early south 3-1 Wabasha JSD, 3-8 Dakota KG, 3-11 Olmsted RE; early north 3-14 Otter Tail SM, 4-4 St. Louis KE, 4-17 Itasca MS. Peak 4-7 Wabasha DGM (3000). | ||
| 1979 | Summer | No breeding reported; seen throughout the state north of the Minnesota River. | ||
| 1979 | Fall | Late north 9-25 St. Louis RA, 9-27 Marshall KSS, 10-11 St. Louis KE; late south 9-11 Anoka KL, 10-7 Chisago RJ, 10-14 Nicollet JCF. | ||
| 1979 | Winter | An individual photographed in Carlton Co. 12-28 (JL), provides the first documented winter record for this species in the northern half of the state and is one of very few winter records for the entire state. | ||
| 1980 | Spring | Early south 4-13 Blue Earth JCF, 4-17 Sherburne JH, 4-22 Wright DCF; early north 4-20 St. Louis DA, 4-24 Becker TNWR, Marshall ANWR. | ||
| 1980 | Summer | Breeding reported from Lake, Aitkin, Beltrami; seen also throughout the state except south of the Minnesota River in the South Central and Southeast Regions. | ||
| 1980 | Fall | Late north 9-14 Itasca TL, 10-4 Cass NH, 10-15 Duluth RJ; late south 8-31 Watonwan JEB, 9-20 Sherburne OJ, 10-4 Nicollet JCF. IBIS (sp?) 10-10 Lyon, B. Meyer & T. Van Moer fide KE. | ||
| 1981 | Spring | Early south 4-17 Martin BL, 4-21 Lyon HK, 4-24 Stearns NH; early north 4-17 Duluth JG, 4-29 Aitkin DB and Otter Tail GMO, 5-1 Lake of the Woods TA. | ||
| 1981 | Summer | Declining number of reports -seen in 19 counties mostly in the northern regions. | ||
| 1981 | Fall | Late north 8-18 Cook KMH, 9-9 St. Louis KE, 9-13 Pine RJ (2); late south 10-3 Nicollet JCF. | ||
| 1982 | Spring | Early south 4-11 Houston JPI AM, 4-21 Rice KJ, 4-24 Jackson BL; early north 4-18 Aitkin WN, 4-23 Mille Lacs CF / KB, 4-27 Marshall ANWR and St. Louis KE. | ||
| 1982 | Summer | Seen in 27 counties in all regions except the Southeast and South Central. More reports than last year. | ||
| 1982 | Fall | Late north 8/28 Marshall MH, 9/1 Lake SWIMS, 9/12 Roseau KSS; late south 9/22 Hennepin SC, 10/14 Nicollet JCF, 11/1 Steams NH. | ||
| 1983 | Spring | Early south 4/19 Stearns NH, 4/22 Lac qui Parle JD, 4/24 Murray DGW; early north 4/21 Mille Lacs MLWMA, 4/23 Beltrami JP, 4/26 Marshall ANWR. | ||
| 1983 | Summer | Breeding data from Marshall, Aitkin, St. Louis. Seen in 18 other counties in all regions except the Southeast. | ||
| 1983 | Fall | Late north 9/25 Cook SL, 10/4 Lake of the Woods AJ, 10/30 Otter Tail OS; late south I 011 Nicollet JCF, 11/6 Stearns NH. | ||
| 1984 | Spring | Early south 4/23 Nobles SWIMS, 4/21 Watonwan SSt, 4/29 Lac qui Parle PL, Ramsey BL; early north 4/19 Cook EH, Marshall ANWR, 4/20 Mille Lacs MLWMA. | ||
| 1984 | Summer | seen in 19 counties. | ||
| 1984 | Fall | Late north 9/23 Aitkin WN, 11/14 Marshall ANWR, 11/19 Mille Lacs MLWMA ; late south 9/18 Nicollet JCF, 10/13 Dakota DB. | ||
| 1985 | Spring | Early south 4/14 Hennepin TTu, 4/18 Olmsted JEB, 4/26 Lac qui Parle FL; early north 4/13 Aitkin WN, 4/15 Mahnomen MHa, 4/17 Marshall ANWR. | ||
| 1985 | Summer | Nested in Aitkin. Also seen in Lake, St. Louis, Clearwater, Beltrami, Roseau, Marshall, Pennington, Mahnomen, Becker, Steams, Pope, McLeod, Meeker, Wright, Kanabec, Houston. | ||
| 1985 | Fall | North 91l Clearwater AB, Otter Tail DS, 9/21 Aitkin WN ; south 9/6 Chippewa RGJ, 9/21 Cottonwood RJ, I0122 Hennepin DZ. | ||
| 1986 | Spring | Early south 4/20 Brown AB, 4/25 Ramsey KB, Swift RH; early north 4/16 Marshall ANWR, 4/21 St. Louis SWIMS, 4/24 Wilkin GAM. | ||
| 1986 | Summer | Seen in 26 counties in all regions but the southeast; most common in the northern regions. | ||
| 1986 | Fall | Late north 9/13 Carlton AB, 9/23 Lake MH, St. Louis SS; late south 8/29 Brown JS ; 10/17 Hennepin ES. | ||
| 1987 | Spring | Early south 4/4 Watonwan ED, 4/24 Pipestone JP, 4/25 Lac qui Parle TBB; early north 4/18 Aitkin WN, 4/22 Marshall ANWR, St. Louis SWIMS. | ||
| 1987 | Summer | Nested in St. Louis. Also seen in ten other counties in northern regions plus Traverse, Murray, Nicollet, Isanti; less widespread than in the past. | ||
| 1987 | Fall | Late north 9/3 Marshall IT, 9/20 Itasca AB, 10/10 Aitkin WN; late south 9/7 Washington TBB, 10/3 Hennepin IT. | ||
| 1988 | Spring | Early south 4/22 Hennepin DB, 4/25 Big Stone TBB, 4/28 Cottonwood ED, BF and Renville FE; early north 4/10 Cook WD, 4/24 Aitkin WN, 4/27 Duluth BP. | ||
| 1988 | Summer | Relatively few reports; seen in 12 counties in the north plus Anoka, Washington, Waseca (AB). | ||
| 1988 | Fall | North 8/5 St. Louis CO, 10/16 Aitkin WN; south 9/25 Scott fide AP, 9/30 Nicollet JF, 10/4 Chippewa AB ; only reports. | ||
| 1989 | Spring | Early south 5/1 Hennepin SC, 5/5 Houston AP, 5/7 Goodhue AB; early north 5/3 Becker BK, Marshall SKS, 5/9 Beltrami DJ, KB. | ||
| 1989 | Summer | Seen in 15 counties throughout the north plus Lac qui Parle, Ramsey, Rice, Blue Earth. | ||
| 1989 | Fall | Late north 8/9 Clearwater PS, 8/12 Marshall AP, 10/8 Cook OSL: late south 9/15 Hennepin DC, 10/7 Anoka DS, 10/20 Rice AP. | ||
| 1990 | Spring | Early south 4/27 Olmsted JB, BSE, 5/2 Steele KV, 5/5 HennepinAB, OJ; early north 4/19 Beltrami DJ, Otter Tail SDM and St. Louis KE. | ||
| 1990 | Summer | Observed in 18 counties as far south as Lac qui Parle, Meeker, Hennepin; plus Faribault GS. | ||
| 1990 | Fall | Late north 8/9 Koochiching RJ, 8/25 Grant RJ, 9/14 Clay MO; late south 9/9 Anoka GP, 9/15 Rice TB, OR, 9/30 Washington DS. | ||
| 1991 | Spring | Early south 4/10 Blue Earth LF, 4/26 Lac qui Parle CMB, 4/29 Winona AP; early north 4/4 (earliest date on record) Becker DEB, 4/14 Aitkin WN, 4/26 Cook KMH. | ||
| 1991 | Summer | Most reports since 1986. Nested in Polk DBl; seen in 24 other counties as far south as Watonwan BB, RJ. | ||
| 1991 | Fall | Late north 8/25 Carlton AB, 9/7 Aitkin WN, 9/14 Roseau MO; late south 10/12 Hennepin DZ, 10/22 Swift AB, 11/3 Cottonwood ED. | ||
| 1992 | Spring | Early south 4/18 Big Stone DO, 4/19 Mower JM, 4/22 Le Sueur EK; early north (4/27 Cook SOL), 5/2 Aitkin WN, 5/3 St. Louis SS. | ||
| 1992 | Summer | Observed in 19 counties as far south as Lyon, Rice. | ||
| 1992 | Fall | Late north 9/20 Clay LCF, 10/10 Cook SOL, 10/13 Lake DPV; late south 8/7 Yellow Medicine HK, 8/16 Lac qui Parle CM, 8/23 Chisago KB. | ||
| 1993 | Spring | Early south 4/10 Lac qui Parle DO, 4/22 Pipestone ND, 4/28 Rice TB. Early north 3/29 Becker BBe, 4/21 Aitkin WN, 4/28 Itasca TS. | ||
| 1993 | Summer | Reported in 15 northern and central counties plus Lyon, Nicollet, Rock, Cottonwood. | ||
| 1993 | Fall | Reported 8/6 Mille Lacs DB, 8/15 Jackson KB, 8/22 Becker KB, 10/11 Aitkin WN, 10/1 Martin BBo. | ||
| 1994 | Spring | Early south 4/10 Lac qui Parle FE, 4/16 Fillmore JBo, CS, JS, Freeborn RJ and Lincoln DN; early north 4/18 Roseau KB, 4/19 Aitkin WN, 4/22 Becker BBe. | ||
| 1994 | Summer | Fewest reports in 14 years. Nested in Morrison SM; seen in 13 other counties as far south as a line through Lyon, McLeod, Anoka. | ||
| 1994 | Fall | Reported 8/26 Beltrami DJ, 9/7 Hennepin SK, 9/11 Aitkin WN, 9/26 Olmsted JW, 10/10 Crow Wing DS. | ||
| 1995 | Spring | Early south 4/26 Hennepin TT, 4/29 Olmsted CK, 4/30 Cottonwood ED; early north 3/19 (earliest date on record) Becker BBe, 4/19 Aitkin WN, 4/22 Mille Lacs PJ. | ||
| 1995 | Summer | Observed in 18 northern counties plus Anoka. | ||
| 1995 | Fall | Reported in six north and five south counties. | ||
| 1996 | Spring | Reported from 25 counties. Early south 4/23 Anoka OJ and Waseca JZ, 4/25 Washington JF. Early north 4/27 (only April date) Aitkin CB. Later than average arrivals for both south and north. | ||
| 1996 | Summer | Seen in 20 counties as far south as Cottonwood, Winona. | ||
| 1996 | Fall | Seen in six north and four south counties. Late north (median 10/8) 10/10 Aitkin DN, 10/15 Marshall SKS. Late south 10/8 Anoka KB. | ||
| 1997 | Spring | Reported from 8 south and 12 north counties. Early south 4/5 Hennepin TT and Dodge THF. Early north 4/26 Wadena PBi, 4/27 Aitkin WN, 4/28 Kanabec CM. | ||
| 1997 | Summer | Reported in 13 counties as far south as Yellow Medicine, Ramsey; plus 6/17 Houston KB. | ||
| 1997 | Fall | Only reports: 8/10 Cook OSL and Lake DV, 8/20 St. Louis TW, 8/30 Aitkin WN, 9/29 St. Louis JN, 10/17 Olmsted BE. | ||
| 1998 | Spring | Reported from 23 counties. Peak 5/9 Carlton (6) PS. | ||
| 1998 | Summer | Seen in 11 northern counties plus Anoka, Freeborn; probable nesting in Aitkin. | ||
| 1998 | Fall | Reported from only six counties. Late south 10/23 Cottonwood ED, 11/1 Swift ABo. | ||
| 1999 | Spring | Arrived seven to ten days later than usual throughout the state, except for April reports in Aitkin Co. and in the northeast region. Early south 4/23 Kandiyohi RJF, 4/24 Hennepin SC and Lac qui Parle NWi. Early north 4/16 Carlton LW, 4/24 St. Louis SS, 4/27 Aitkin WN. | ||
| 1999 | Summer | Observed in 19 counties as far south as Lyon, Freeborn, Winona; unreported in the central region. | ||
| 1999 | Fall | Only eight reports. All north reports after August: 9/5 Wadena PBi, 9/23 Aitkin CB, 10/2 Aitkin WN, 10/6 Cook KMH. All south reports: 9/10 Hennepin RH, 9/30 Freeborn ABa, 10/29 Lac qui Parle BOl. | ||
| 2000 | Spring | Observed in 10 south and 14 north counties statewide, except none in southwest region. Early south 4/12 Hennepin TT, 4/15 Scott ABo. Early north 3/21 (second earliest date) Becker BBe, 4/19 Morrison WB, 4/21 in Cass, Carlton. | ||
| 2000 | Summer | Reported in 11 north counties plus Meeker, Freeborn. | ||
| 2000 | Fall | Ten reports total, compared to eight last fall. Six September observations preceded 10/3 Becker fide BAB, 10/22 Aitkin (2) WEN and Rice JGL, 10/28 Chippewa ABo. | ||
| 2001 | Spring | Observed in 12 south and 18 north counties, but only Mower in Southeast, and Cottonwood and Jackson in Southwest. First reported 4/25–28 from five south counties. Early north 4/22 Wilkin CRM, 4/27 Roseau KJB and Kanabec CAM. | ||
| 2001 | Summer | Observed in 13 Northwest, North-central, and Northeast counties plus Morrison, Meeker, McLeod, Hennepin; also 7/24 Freeborn AEB. | ||
| 2001 | Fall | Reported from 12 counties. Late north 10/12 Aitkin PEJ, no others in October. All south reports: 8/6 Meeker RJS, 11/6 Waseca JEZ. | ||
| 2002 | Spring | Reported from 17 south and 17 north counties. Early south 4/21 Goodhue (only report from Southeast region) PHS, 4/22 Lyon RWS. Early north 4/20 Aitkin PSP, 4/29 Carlton LAW. | ||
| 2002 | Summer | Observed in 20 counties scattered throughout the state. | ||
| 2002 | Fall | Reported from five north and nine south counties. Late north 9/29 Aitkin WEN. Late south 10/26 Jackson BRB, only October report. | ||
| 2003 | Spring | Reported from 26 south and 14 north counties, but only Goodhue in Southeast. Early south 4/23 Isanti JJS, 4/24 Redwood JJS. Early north 4/23 St. Louis JRN, 4/26 Aitkin WEN. | ||
| 2003 | Summer | Most reports since 1991. Observed in 23 counties as far south as a line through Lac qui Parle, McLeod, Carver, and Anoka; plus 6/8 Freeborn AEB. | ||
| 2003 | Fall | Reported from six north and six south counties. Late north 10/2 St. Louis SLF, 10/18 Wilkin fide JMJ. Late south 10/5 Sherburne PLJ. | ||
| 2004 | Spring | Reported from 19 south and 19 north counties, but only Mower in Southeast. Early south 4/19 Steele JJS and Lac qui Parle BJU, 4/24 McLeod RWS and Hennepin WCM. Early north 4/9 Otter Tail EJE, 4/19 Clay RBJ, JEB. | ||
| 2004 | Summer | Reported from 20 counties in all regions of state except South-central, Southeast. | ||
| 2004 | Fall | Reported from six north and six south counties. Late north 9/18 St. Louis SLF. Late south 10/12 Big Stone PHS. | ||
| 2005 | Spring | Observed in 12 south and 20 north counties; none in Southeast and only Murray in Southwest. Early south 4/17 Steele KV, 4/19 Brown BTS. Early north 4/15 Becker fide JMJ, 4/16 St. Louis SLF, ALE and Wilkin CRM et al. High count 5/4 Aitkin (9) WEN, MMc. | ||
| 2005 | Summer | Reported from 20 counties in all regions of state except South-central, Southeast. Highest reported count 6/15 Itasca (20) DRM. | ||
| 2005 | Fall | Reported from eight north and three south counties. Late north 9/23 St. Louis MTA, 10/18 Clay JEB (median 10/9). Late south 9/14 Ramsey EEO (median 10/17). | ||
| 2006 | Spring | Reported from 23 south and 19 north counties in all regions. Early south 4/6 Meeker DMF, 4/9 Lac qui Parle BJU (median 4/20). Early north 4/11 Marshall (Agassiz N.W.R.) MA, 4/14 Pine MTh (median 4/18). | ||
| 2006 | Summer | Seen in 34 counties in all regions except South-central, Southeast. First nesting record for Kanabec LBF. | ||
| 2006 | Fall | Observed in nine north and eight south counties. Late north 10/29 Cook JWL, 11/2 Polk DAY (median 10/9). Late south 9/15 Lac qui Parle PBB, 9/17 Brown BTS (median 10/17). | ||
| 2007 | Spring | 12 | 19 | Early south 4/10 Big Stone BJU, 4/13 Rice TFB (median 4/19). Early north 4/18 Marshall fide JMJ, 4/25 St. Louis fide JWL (median 4/18). |
| 2007 | Summer | 16 | 9 | Reported from all regions of the state except South-central and Southeast. |
| 2007 | Fall | 7 | 6 | Late north 9/17 Marshall fide JMJ, 9/19 St. Louis SLF (median 10/10). Late south 9/29 Le Sueur DAB, RMD, JWH, 10/1 Houston RBW (median 10/15). |
| 2008 | Spring | 16 | 20 | Early south (median 4/19) 4/16 Faribault WAF, Hennepin DDo, 4/22 Lac qui Parle BJU. Early north (median 4/18) 4/18 St. Louis LAW, 4/24 Morrison RBJ, DAC. |
| 2008 | Summer | 12 | 11 | Reported from all regions except Southwest, Southeast. |
| 2008 | Fall | 6 | 3 | Late north 8/31 Marshall PHS, 9/5 Itasca EEO. Late south 10/1 Lac qui Parle BJU (median 10/15). |
| 2009 | Spring | 20 | 14 | Early south (median 4/18) 4/16 Nicollet RMD, 4/19 Anoka DFN. Early north (median 4/18) 4/3 Marshall JMJ, 4/16 Aitkin PEJ. High counts 5/6 Anoka (7, Carlos Avery W.M.A.) PEB, 5/18 Swift (7) WCM. |
| 2009 | Summer | 17 | 7 | Found in all regions except Southwest, Southeast. |
| 2009 | Fall | 5 | 5 | All north reports: 8/1 Aitkin ASc, 8/6 Marshall JMJ, 8/7 Itasca EEO, 9/7 Hubbard DCH, 9/14 St. Louis CRM, 10/16 Aitkin PEJ. All south reports: 8/3 Meeker DMF, 8/8 Nicollet ChH, 8/10 Jackson CRM, 8/23 Hennepin TM, 9/12 Big Stone PHS. |
| 2010 | Spring | 22 | 15 | Early south (median 4/18) 4/1 Lac qui Parle BJU, 4/9 Nobles BTS, 4/17 Houston TPr, 4/20 Rice TFB. Early north (median 4/18) 4/9 Lake of the Woods †SSc, 4/17 Marshall MA, 4/19 Koochiching DGr, 4/20 Lake JWL. |
| 2010 | Summer | 19 | 9 | Found throughout state except for southern regions. |
| 2010 | Fall | 6 | 4 | All north reports: 8/1 Aitkin KCR, 8/2 Lake JEl, 8/2–9/6 Marshall m.ob., 8/4 Polk fide JMJ, 8/18 Aitkin KCR, 9/1 Wadena DBM, 9/12 Cass DAY. All south reports: 8/4 Lac qui Parle BJU, 8/12 Swift BJU, 8/20 Carver JCy, 9/4 Big Stone BJU. |
| 2011 | Spring | 21 | 19 | Early south (median 4/18) 4/5 Rice TFB, 4/9 Swift KRE, m.ob., 4/11 Lac qui Parle BJU. Early north (median 4/18) 4/12 Marshall MA, 4/23 Traverse JOJ, 4/24 Kittson TrB. High counts 5/28 Lyon (8) RJS, 4/24 Lac qui Parle (7, Florida Creek W.M.A.) BJU, 5/20 Aitkin (6) ASc. |
| 2011 | Summer | 18 | 9 | Observed in all regions except Southeast and South-central. |
| 2011 | Fall | 6 | 8 | All north reports 8/20 Grant BJU, 8/21 Traverse BJU, 8/24 Grant (North Ottawa Impoundment) RBW, 8/27 Marshall (near Warren), Polk HHu, 9/3 Marshall m.ob., 9/7 Lake (2, Two Harbors Airport) RBW, 9/10 Aitkin PEJ. All reports south 8/1–9/19 Big Stone BJU, 8/2 Washington DaR, 8/3–10/15 Lac qui Parle BJU, DLP, 8/20 Swift BJU, 8/29 Chippewa (Chippewa Prairie) BJU, Hennepin (2, Breck School) DaS, 9/5 Sherburne (Sherburne N.W.R.) StB, 9/17 Stevens DPG, 10/16 Swift (Lubenow W.P.A) WCM. |
| 2012 | Spring | 21 | 13 | Early south (median 4/18) 4/12 Lac qui Parle BJU, 4/18 Rice TFB, 4/21 Anoka DWK. Early north (median 4/18) 4/8 Wadena PJB, 4/11 Itasca SC, Marshall fide JMJ, 4/14 Douglas JPE, Kanabec RAE. High count 5/19 Marshall (11, Agassiz N.W.R.) JVe. |
| 2012 | Summer | 23 | 7 | Reported from all regions except Southwest and Southeast. |
| 2012 | Fall | 9 | 8 | High count 8/24 Grant (6, North Ottawa Impoundment) KRE. Late north 9/7 Pine PRH, 9/14 Grant HHD, RAE, 10/18 Aitkin PEJ (median 10/8). Late south 10/1 Big Stone DLP, 11/8–10 Carver (Lake Waconia) JCy, CRM, GJa (median 10/10). |
| 2013 | Spring | 16 | 16 | Early south (median 4/18) 4/16 Rice TFB, 4/21 Dakota BAF, Fillmore MMo, 4/25 Houston JEB, Nicollet RAE. Early north (median 4/18) 4/16 Mille Lacs ToL, 4/26 Pine JMP, 4/29 Marshall fide JMJ. |
| 2013 | Summer | 25 | 13 | Reported from all regions except South-central, Southeast. First county breeding record for Kittson AXH. |
| 2013 | Fall | 10 | 5 | Late north 9/12 Cass BAW, Lake AXH, 9/24 Hubbard MAW, 9/26–27 Traverse DLP. Late south 8/28 Faribault JSn, 9/11 Steele RAE, 11/16 Lac qui Parle (possibly sick or wounded, as when it was approached it flew a short distance and crash landed) FAE. |
| 2014 | Spring | 23 | 28 | Early south (median 4/18) 4/11, 4/20 Hennepin (4, Elm Creek P.R.) LWn, 4/20, 4/22 Rice TFB. Early north (median 4/18) 4/25 Becker RAE, Douglas JPE, 5/3 Roseau BWF, St. Louis ALo, BMu. High count 5/29 Polk (11, Burnham Creek W.M.A.) VLa. |
| 2014 | Summer | 17 | 8 | Found in all regions of state except Southwest, Southeast. |
| 2014 | Fall | 14 | 11 | High count 8/30 Roseau (8) KRE, m.ob. Late north 9/2 Marshall (Agassiz N.W.R.) JLK, 9/7 Mahnomen JMJ, 10/25 Aitkin JPR (median 10/8). Late south 10/16 Big Stone DLP, 10/17 Hennepin (Hillside Cemetery, Minneapolis) ph. TBo, 11/5 Blue Earth (found in a parking lot in Mankato, injured or sick?) ph. NFT (median 10/10). |
| 2015 | Spring | 12 | 15 | Early south (median 4/18) 4/13 Rice TFB, 4/29 Anoka DWK, 5/3 Sherburne ToL. Early north (median 4/18) 4/17–23 St. Louis JMa, JLK, 4/19 Kanabec MJB. High count 4/29 Anoka (8, Carlos Avery W.M.A.) DWK. |
| 2015 | Summer | 19 | 12 | Found in all regions except Southwest, Southeast. First county breeding record for Big Stone KeM. |
| 2015 | Fall | 9 | 9 | High counts 8/6 Roseau (2) RAE, 8/14 Chisago (2) CRM, m.ob. Late north 8/29 Aitkin PEJ, 9/1 Becker (Hamden Slough N.W.R.) ASM, 9/5–6 LS, HHD, m.ob. Late south 9/30 Dodge (Iron Horse Prairie) JnS, 10/5 Scott (Murphy-Hanrehan P.R.) RMD, SC, 10/18 Steele JWH. |
| 2015 | Winter | 1 | First January record for the state: 1/1–5 Steele (84th Avenue near 50th St., Owatonna, in open-water drainage ditch) ph. KDR, ph. †PEB, m.ob., numerous photos. The bittern appeared healthy and was seen in flight by several observers. | |
| 2016 | Spring | 25 | 33 | Early south (median 4/16) 4/4 Le Sueur DWK, 4/11–23 Dakota (180th St. Marsh) RWh, CRa, ADS, 4/12 Dakota (Hastings S.N.A.) AlF. Early north (median 4/17) 4/17 Aitkin SNe, 4/26 Crow Wing EGa, 4/28 Itasca SC. High counts 5/8 Sherburne (6, Sherburne N.W.R., Wildlife Drive) ABm, 5/21 St. Louis (6, Duluth) NWi, 5/24 Marshall (6, Agassiz N.W.R.) KnM. |
| 2016 | Summer | 19 | 17 | Found in all regions except Southeast. |
| 2016 | Fall | 11 | 13 | High counts 9/4 Hennepin (6, Minnesota Valley N.W.R., Bass Ponds) KvM, 8/7 Cass (4, Walker) BKe. Late north 9/9 Pine LEv, 9/14 Cook RRd, RRe, 10/17 Polk SAu (median 10/8). Late south 10/9–10 Brown RAE, BTS, MiO, 10/16 Blue Earth (location?) APi, ChH, 10/18 Blue Earth (Lake Crystal) STa, 10/27 Big Stone DLP (median 10/16). |
| 2017 | Spring | 29 | 37 | Early south (median 4/13) 4/4 Rice TFB, 4/7 Cottonwood (2) KEm, 4/8 Rice TFB, 4/9 Dakota FKB. Early north (median 4/17) 4/14 Koochiching AMe, 4/15 Grant (max. 6, season high count, North Ottawa Impoundment) ToL, CEl, LiH, DWK, Kittson LW, Lake JoT. |
| 2017 | Summer | 23 | 21 | Found in every region except Southeast. High counts 6/21 Hennepin (8, Elm Creek P.R.), 7/6 Grant (7, North Ottawa Impounment) GHo, KDS. |
| 2017 | Fall | 9 | 15 | High count only 3, at the North Ottawa Impoundment in Grant. Late north 10/10 Grant DOr, 10/17 Wilkin KnM (median 10/8). Late south 10/9 Lyon (2) GWe, 10/13 Redwood KRE, m.ob. (median 10/16). |
| 2018 | Spring | 26 | 44 | Early south (median 4/13) 4/10 Rice TFB, 4/12 Hennepin ebd, Ramsey ebd. Early north (median 4/17) 4/25 Aitkin EGa, 4/28 Pine JCC, 4/30 Lake of the Woods ebd. High count 5/13 Anoka (14, Carlos Avery W.M.A.) RMD, ELC. |
| 2018 | Summer | 20 | 26 | Found in every region. First county breeding record 6/29 Cook AB. |
| 2018 | Fall | 12 | 21 |  Late north 9/27 Itasca SC, 9/28–30 Grant (4, season high count, North Ottawa Impoundment) RAE, CRa, m.ob., 10/2 Grant (location?) DFe (median 10/11). Late south 9/28 Dakota MwT, Murray (2) KEm, Sherburne MLk, 9/29 McLeod BHa, 10/7 Dakota MwT (median 10/16). |
| 2019 | Spring | 28 | 40 | Early south (median 4/13) 4/13 Lyon NMe, 4/14 Anoka BKn, Dakota AJF, Washington GJa. Early north (median 4/17) 4/20 Wilkin KRE, m.ob., 4/26 Pine (2) KrM. High count 5/13 Blue Earth (6, Lincoln W.P.A.) BDo, m.ob. |
| 2019 | Summer | 25 | 24 | Â Found in all regions. High count 6/1 Grant (7, North Ottawa Impoundment) WPl. |
| 2019 | Fall | 11 | 10 | Highest counts only three. Late north 9/15 Clay CMk, 9/19, 10/19–20 Grant (North Ottawa Impoundment) WPl, m.ob. (median 10/8). Late south 9/15 Sherburne ebd, 10/17 Jackson KEm, 10/23 Dakota DVe (median 10/16). |
| 2020 | Spring | 24 | 29 | Early south (median 4/13) 4/5 Wabasha ASu, 4/11 Hennepin JQn, Kandiyohi JoS, Redwood RJS. Early north (median 4/17) 4/19 Traverse ebd, 4/21–24 St. Louis (max. 2) JLK, m.ob., 4/24 Aitkin (4) JGz, Cass DAY, Pine KrM. High counts 5/12 Aitkin (9, McGregor Marsh) JGz, PSk, 5/23 Wilkin (7, Meadows W.P.A.) AaL. |
| 2020 | Summer | 18 | 16 | Reported from all regions except Southeast. |
| 2020 | Fall | 11 | 10 | Highest count only two. Late north 9/19 Kittson ebd, 10/10 Douglas JPE, Morrison AaL, m.ob. (median 10/8). Late south 10/7 Olmsted JPr, m.ob., Ramsey MRe, WRe, 10/8 Sherburne ebd, m.ob., 10/29 Hennepin ebd (median 10/16). |
| 2021 | Spring | 27 | 25 | Early south (median 4/13) 4/10 Kandiyohi REn, RLF, 4/16 Steele ebd, 4/18 Anoka ebd, Hennepin ebd. Early north (median 4/17) 4/6 Cass ABi, 4/16 Pine ebd, 4/18 Beltrami ebd. High counts 5/30 Marshall (6, Agassiz N.W.R.) TWe, BWe, 5/18 St. Louis (4, Mud Lake) JLK. |
| 2021 | Summer | 23 | 18 | Found in all regions, though most common in the North. High count 6/18 Koochiching (7, Tom Cod Bay) ebd. |
| 2021 | Fall | 12 | 16 | High count 8/6 Wright (3, Pelican Lake) DPG. Late north 9/8 Crow Wing ebd, 9/19 Cass ebd, 10/9 Marshall ebd (median 10/11). Late south 10/3 Hennepin HPe, MyP, Ramsey LAt, 10/5–6, 10/20 Lac qui Parle ebd, DLP (median 10/17). |
| Breeds mostly north and central. Migrant throughout. | ||||
| 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. |