The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members.
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Seasonal Report Archive for The Loon - Gulls, Terns | 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: Gulls, Terns |
| Common Tern(Sterna hirundo) | ||||
| Year | Season | N | S | |
|---|---|---|---|---|
| 1932 | Summer | A large nesting colony was found at Lake of the Woods, July 20th (Sw~~son). Almost all the nests had 3 eggs, and some young had hatcJed, while others were on the wing. Another colony was seen by John Huseby at Mille Lues Lake on August 3rd. Tre re were sots of 1 and 2 eggs and young of all ages. | ||
| 1933 | Summer | We quote Morse regarding two colonies seen by him: '•Observed colony of this tern at both Hennepin and Spirit Islands on Mille Lacs Lake. There were probably at least 100 nests on ile former island on August 10th. These nests contained eggs (1 to 3) and newly-hatched young. Fledgling Common Terns in various stages of development were to be seen running about the island, swimming in tho water near the island, or attempting to hide in the rock crevices. At Spirit Island, visited on August 11th, only about a dozen nests 'With eggs and young v1erc fouhd. n | ||
| 1934 | Summer | The only nests reported for this dainty fishermru1 were seen by John Dobie on June 15th a.t Oak Po:i.nt1 L.1.ke of tho Hoods. 1/3 nests with from 1 to J oggs comprised this colony. | ||
| 1935 | Summer | At Leach Lake on July 9th, Mrs. C. E. Peterson observed young of various ages and eggs in the nests. At Curry Islm1d, Lake of the Woods, Ralph Woolsey found 1 nest with 3 eggs July 2oth. | ||
| 1936 | Summer | Charles Evans' find of some one hundred nests at :t-ulle Lacs on June 19th is the only reported record for this species for this yocr. The nests contained fram one to throe eggs each. | ||
| 1937 | Summer | A colony of Wilson's terns on Lake of the Woods was on June I6. Thirty nes~s, which held from one to three eggs, were examined. | ||
| 1938 | Summer | Dr. Lakela found Tern nests on Minnzsota Point (Duiuth) on June 9 and June 29. Both nests held 3 eggs each. G. Swanson visited Spirit Island in Mille Lacs on July 2; he found hundreds of nests. | ||
| 1940 | Summer | Thirty-four nests of this species were found at Lake of the Woods by Mr. and Mrs. K. Carlander on June 23. The nests averaged 2-3 eggs each. | ||
| 1945 | Summer | 1 young, Duluth Harbor, July 25, Olga Lakela, Mary I. Elwell. | ||
| 1946 | Summer | 9 nests (6 with 3 eggs, 2 with 2 ':)ggs, and :3 young out of the nesi), Harbor Island, Lake Superior, Lakela. BLACK TF-RN. 1:: nests (fi with 1 egg, 3 with 2, 3 with 3, and 1 nest being built), May 30, Hennepin Co.; 2 nests (2 eggs, and a eggs), June 9, Ramsey Co., Longley and Harrell; 7 nests with egg·s, 1\lfay 30, Ramsey Co., Bro. Hubert. | ||
| 1947 | Summer | 6 nests, 18 eggs, 2 nests, 4 eggs; 3 young, June 26, Harbor Island, Lake Superior, Lakela. 13 nests, 32 eggs, 3 young, July 7, Duluth Lakela. | ||
| 1961 | Summer | On 27 May, members of A vifaunal Club found three nests containing one to two eggs each on Minnesota Point, Duluth. | ||
| 1962 | Summer | July 21, Duluth, many "nests" with from 1 to 3 eggs each, Avifaunal Club. | ||
| 1962 | Fall | latest report, Oct. 13, L. Traverse, 4 seen, R. Grant. | ||
| 1963 | Spring | April 20, Carver County, A. C. Rosenwinkel; April 26, Kandiyohi County, Ben Thoma; May 24, Cass County, the Mathisens; May 24, Duluth, about 2,000, Jan Green. | ||
| 1963 | Summer | St. Louis Co., Duluth, Minnesota Point, June 23, 60·plus adults incubating; 5 nests examined each contained 3 eggs, Avifaunal Club. Becker Co., July 18, 3 nests with 2, 2, 3 eggs, D. Meyer. | ||
| 1963 | Fall | latest, Sept. 20, Duluth, Jan Green. | ||
| 1964 | Spring | 5-6 Duluth, JCG. | ||
| 1964 | Summer | all summer, Crow Wing Co, TEM; breeding at Duluth, DM. | ||
| 1964 | Fall | 9-5 Crow Wing Co, numerous, TEM; 9-21 Duluth, JCG; 9-26 Pelican Lake, St. Louis Co, NJH. | ||
| 1965 | Spring | earliest 4-16 Rochester, JPF. (early!?). | ||
| 1965 | Fall | latest 10-2 Rochester, MIG and 10-3 Duluth, HFH, RLH. | ||
| 1966 | Spring | earliest 4-16 Washington Co, WWL; 4-17 Hennepin Co, VL; 4-28 Hennepin Co, MHM. | ||
| 1966 | Summer | nested in usual colonies at Duluth and Mille Lacs Lake; also reported from Crow Wing, Morrison, Dakota, Beltrami, Wright and Hennepin Co's; confusion between this and the preceding species should open the door for nesting studies throughout the state. | ||
| 1966 | Fall | Latest 9-25 Becker Co., RPR; 10-17 (JAM) and 10-23 (JCG) THE LOON 12 Cass Co.; two October dates undoubtedly latest dates on record here. | ||
| 1967 | Spring | early 4-16(RJC), 4-19 (MHM), 4-20(VL), Hennepin Co., 4-22 Lyon Co., PE and Jackson Co., HSH. | ||
| 1967 | Summer | reported from Crow Wing, Morrison, Pope, Lake, Hubbard, Becker Co's. | ||
| 1967 | Fall | latest 8-13(175), 8-27(2) Mille Lacs Lake, MIG; none in September? | ||
| 1968 | Spring | early 4-14 Hennepin Co., VL, and Murray Co., HSH; 4-16 Ramsey Co., RJC and Nobles Co., HSH; 4-18 Wright Co., EHD. | ||
| 1968 | Summer | nested at Mille Lacs Lake; also reported from Beltrami, Lyon (PE), Morrison (LSR) , Wright (KP), Anoka (MIG), Blue Earth (EDK), Pope (WH), Wabasha (DGM), Crow Wing, Clearwater, Cass, Roseau Co's; the more southerly and westerly records may result from confusion with Forster's Tern? | ||
| 1968 | Fall | 9-2 Hennepin 3 RBJ; 9-7 Duluth 21 JCG. | ||
| 1969 | Spring | 4-21 Wabasha Co., DWM; 4-30 Hennepin Co., VL; 5-6 Duluth, MMC; 5-8 Duluth, PBH; 5-20 (45) Houston Co., FL; 5-23 Hennepin Co., RDT; 5-24 (50+) Beltrami Co., EIS; 527 Wabasha Co., BT. | ||
| 1969 | Summer | nested in Mille Lacs Co.; reported from St. Louis (Duluth and 7-11 Lac La Croix MMC), Crow Wing, Hennepin, Morrison, Beltrami, and Clearwater Co. (6-14, Red Lake, 30 JJG). | ||
| 1969 | Fall | 8-1 Mille Lacs 13 BAH; 9-13 Duluth 8 BTV; 8-5 Carver KH; 8-28 Mille Lacs Ml; 8-31 Swift BAH; 9-6 Duluth TH; 9-20 Marshall AR. | ||
| 1970 | Spring | early south 4-16 Hennepin PE; 4-17 Ramsey JJ; 4-20 Hennepin WL; peak 5-22 Duluth (1,000) JG; early north 4-25 Morrison LR; 5-3 Crow Wing J B. | ||
| 1970 | Summer | nested in Duluth (1 OO's of nests hatching on 6-17, 18 ).P. Perkins) and Mille Lacs Co. {about 50 nests, Ml}. Also reported from Marshall, Crow Wing, Morrison, Wright, and Pope Co's. Terns seen on small lakes, potholes, and marshes are more likely to be Forster's Terns. | ||
| 1970 | Fall | late north 9-19 Duluth )G; 9-30 Mille Lacs KE, RR; late south 9-7 Benton MC; 77-7 Wabasha WDM (no details). | ||
| 1971 | Spring | early south 4-15 Hennepin CH; 4-17 Carver DB; 4-19 Scott PE and Carver KH; early north 5-7 Crow Wing JB; 5-8 Duluth, H. Roberts; peak 5-20 Duluth (14,000) KE, RR. | ||
| 1971 | Summer | nested in St. Louis; also reportedfrom Crow Wing, Aitkin, Pope, Morrison, Marshall, Mille Lacs, Beltrami Carver and Roseau. | ||
| 1971 | Fall | late south 9-21 Carver; Jatp north 9-12 Duluth and Crow Wing: 9-14 Mille Lacs. | ||
| 1972 | Summer | nested in Duluth (JCG) and Hennepin Is.. Mille Lacs Co. MI); seen also in Crow Wing, Clearwater, Mahnomen (7-12 EW), Clay(7-JO L&CF), Pope (HCK), Hennepin (6-11, twenty JAB), Ramsey, Houston, Winona. | ||
| 1973 | Summer | Nested in Duluth (JCG); seen also in Crow Wing (7-12 EC); Mille Lacs (6-11 NMH); Stearns, Hennepin, Washington, Houston (7-21 FL). | ||
| 1973 | Fall | Seen in Mille Lacs, Sherburne, Itasca. Peak 9-26 St. Louis (70) (FN). Late north 10-3 Cass (HJF). Late south lOll Wabasha (10) (DWM) (late for this number). | ||
| 1974 | Spring | Early south 4-15 Cottonwood RD; 4-18 Ramsey REH; 3 reports 4-23; early north 5-2 Becker TRS; 5-6 Beltrami HJF; 5-6 Mille Lacs Ml. | ||
| 1974 | Summer | Nested at Duluth (173 nests); also reported from Itasca, Mille Lacs, Ottertail, Stearns, Big Stone, Washington. | ||
| 1974 | Fall | No late dates reported. | ||
| 1975 | Spring | Early south 4-10 Hennepin VRL; 4/8 Cottonwood LR and Goodhue CF; early north 5-8 St. Louis MMC; 5-11 St. Louis JCG; 5-15 Becker TRS. | ||
| 1975 | Summer | Nested in St. Louis and Mille Lacs; also reported from Itasca, Hubbard, Lake of the Woods, Cass, Big Stone, Washington (WL) and Wabasha (DWM). | ||
| 1975 | Fall | late north 9-11 Mille Lacs Ml; 9-21 Duluth JG, RJ; late south 10-3 Wabasha RB; 11-30 Dakota fide NMH. (needs details). | ||
| 1976 | Spring | Early south 4-10 Ramsey LH; 4-20 Winter 1976 Hennepin CH; 3 reports on 4-25; early north 4-28 Mille Lacs MI; 5-4 Otter Tail NJ; 5-9 St. Louis JCG. | ||
| 1976 | Summer | nested in Itasca, St. Louis and Mille Lacs; also reported from Clearwater, Aitkin, Lac qui Parle (7-4, BE, details?) and Washington (WL, details?). | ||
| 1976 | Fall | Late north 9-19 Duluth, 9-21 Mille Lacs; no south reports. | ||
| 1977 | Spring | Early south 4-13 Ramsey SH; 4-19 Hennepin VL; 3 reports on 4-23; early north 4-23 Big Stone SM; 5-1 Hubbard HF; 5-2 Otter Tail GO. | ||
| 1977 | Summer | Nested in Duluth; also reported from Roseau, Lake of the Woods, Mille Lacs, Crow Wing, Otter Tail, Big Stone and Pope. | ||
| 1977 | Fall | Late north 10-22 Mille Lacs Lake (BL); late south 10-21 Dakota (KE). | ||
| 1978 | Spring | Early south 4-14 Dakota MW; 4-16 Hennepin ES. | ||
| 1978 | Summer | Breeding reported from St. Louis (Duluth, 177 pair, GN); also seen ~n Lac qui Parle, Becker, Otter Tail, Pope, Cass, Sherburne, Beltrami, Lake of the Woods. | ||
| 1978 | Fall | Late north 11-4 Otter Tail DS; late south 1 0-30 Stearns NH. | ||
| 1979 | Spring | Early south 4-14 Hennepin VL (very early, needs details), Dakota JH, 4-16 Sherburne EH; early north 5-8 St. Louis KE, 5-12 Becker RA. | ||
| 1979 | Summer | Breeding reported from Duluth Harbor, Mille Lacs Lake and Lake of the Woods (50 pak, Pine and Curry Is.); also seen in Marshall, Pennington, Otter Tail, Itasca, Crow Wing, Hennepin, Ramsey, Washington. | ||
| 1979 | Fall | Late north 8-29 Cass HF, 9-15 St. Louis OJ; late south 8-20 Wabasha WDM, 8-25 Anoka KL. | ||
| 1980 | Spring | Early south 4-16 Washington DR, 4-26 Lyon HK, Anoka KL; early north 4-24 Douglas WL, 4-27 Pennington KSS, 5-3 Crow Wing RJ. | ||
| 1980 | Summer | Breeding reported from Mille Lacs, Duluth (about 160 pairs); also seen in Aitkin, Crow Wing, Cass, Otter Tail (6-11, GO). | ||
| 1980 | Fall | All reports: 8-10 Olmsted JEB, 8-22 Itasca TL, 9-2 Crow Wing WN, 9-11 St. Louis KE, 9-13 OJ, LW, 9-20 Marshall (Agassiz NWR staff), 10-6 Cass NH, 10-19 Chippewa A. Bolduc fide DB. | ||
| 1981 | Spring | Early south 4-18 Washington DR, 4-21 Ramsey RH, Hennepin VL, 4-30 Stearns NMH; early north 5-1 Lake of the Woods T A, 5-4 St. Louis KE, 5-9 Otter Tail OJ, St. Louis JG. | ||
| 1981 | Summer | Breeding data from Lake of the Woods, Mille Lacs, Duluth. Also seen in Aitkin, Crow Wing, Hubbard, Becker (Cotton Lake). | ||
| 1981 | Fall | Late north 9-1 Cass HJF, 9-27 Lake of the Woods RJ, Mille Lacs KL, 10-4 St. Louis KE, 10-10 Itasca TL; late south 8-28 Hennepin SC, 8-31 Ramsey KL, 9-23 Lac qui Parle KL. | ||
| 1982 | Spring | Early souht 4-14 Washington KM, 4-20 Hennepin VL, 4-23 Wabasha DWM, 4-27 Olmsted JEB, 4-29 L on HK; early north 5-1 Dou las, u bard DJ, St. Louis 5-4, -KE, JG, LW. | ||
| 1982 | Summer | Breeding data from Lake of the Woods, Duluth. Also seen in Roseau, Beltrami, Becker, Hubbard, Cass, Mille Lacs, Washington. | ||
| 1982 | Fall | Late north 9/4 Red Lake AS, 9/12 Lake of the Woods KSS, St. Louis LW; late south 9/14 Wabasha WDM, 9/16 Washington RJ, 9/20 Hennepin RA, 9/25 SC. | ||
| 1983 | Spring | Early south 4/19 Hennepin VL, 5/21 McLeod RH, 4/23 Mower RS, 4/28 Washington WL; early north 5/3 Becker TNWR, Lake of the Woods TW, 5/7 Itasca MSc, 5/10 Crow Wing JB, St. Louis TL. | ||
| 1983 | Summer | Nesting at Mille Lacs, Duluth, Lake of the Woods. Late migrants South: 6/16 Goodhue. | ||
| 1983 | Fall | Late north 10/2 Mille Lacs DG, St. Louis MH, 10/10 Beltrami AS, 10/15 Roseau AJ, Mille Lacs KL, 10/22 Aitkin DB, OJ. Two south reports: 10/16 Chippewa AB, Washington (no date) WL. | ||
| 1984 | Spring | Early south 4/19 Hennepin VL, 4/21 Brown JSp, 4/23 Olmsted JEB, 4/24 Dakota JD; early north 4/28 Ottertail GMO, 5/4 Red Lake SNP, 5/5 St. Louis L. Hanson, 5/7 Lake of the Woods SWI MS. | ||
| 1984 | Summer | nested in Duluth (only I00 ± nests compared to 300 a few years ago); also seen in Roseau, Lake of the Woods, Crow Wing, Aitkin, Mille Lacs and Anoka. | ||
| 1984 | Fall | 8/18 Yellow Medicine TT, 8/29 St. Louis MH, 91 I Ottertail OS, 9/16 Mille Lacs ES, 9/18 St. Louis AE, 10/3 Carver MS, 10/6 Chippewa AB, 10/18 Pope RJ, 10/19 Goodhue BL, 10/20 St. Louis TT, 10/2 1 Lake of the Woods AJ, Washington (no dates) WL-all reports. | ||
| 1985 | Spring | Early south 4/12 Olmsted PP, (needs details) 4/19 Olmsted JEB, Cottonwood WH, 4/2 1 Wabasha WDM; early north 4/29 Roseau AJ, 5/1 Norman BK, 5/3 St. Louis KE, 5/6 Clay NJ. | ||
| 1985 | Summer | Nested in Duluth.(l7 nests, NH). Also seen in Roseau, Lake of the Woods, Beltrami , Cass, Mille Lacs. | ||
| 1985 | Fall | All reports: 8/14 Dakota ITu, 8/20 Steams NH, 9/21 Goodhue BL, 9/28 Morrison AB, 9/28 Todd RJ, 9/29 Cottonwood LAF, 10/3 St. Louis KE., 10/12 Chippewa AB | ||
| 1986 | Spring | Early south 4/19 Mower RS, 4/26 Washington WL, Lac qui Parle TBB, 427 Brown JS; early north 4/29 Clay MM, 5/8 Duluth KE, 5/10 SSt, 5/11 Clay LCF. | ||
| 1986 | Summer | Nested in Duluth ( 13 nests, NH). Also seen in Lake of the Woods, Clay, Hubbard, Todd. | ||
| 1986 | Fall | Late north 8/27 Aitkin SC, 8/28 Mille Lacs DB, 9/12 Duluth NH; one south report 9/16 Hennepin DB. | ||
| 1987 | Spring | Early south 4/22 Olmsted JB, 5/2 Pipestone JP, 5/6 Hennepin SC, 5/7 Murray HK; early north 4/28 Beltrami TK, 4/30 Mahnomen BK, 5/3 Traverse GAM, 5/5 Duluth KE. | ||
| 1987 | Summer | Nested in Duluth, Lake of the Woods. Also seen in Hubbard, Becker, Otter Tail, Grant, Swift, (These reports need confirmation, they are probably the result of confusion with the Forster's Tern - Editor), Hennepin. (6/3 L. Calhoun, SC). | ||
| 1987 | Fall | All reports : 8/4-9/2 Lake of the Woods MC, IT, 8/16 Stearns AB, 9/13-20 Duluth AB, RSE, 9/26 Hubbard HJF, 10/3 Crow Wing AP, 10/3-11 Aitkin m.ob. | ||
| 1988 | Spring | Early south 4/28 Cottonwood BF and Nicollet LW, 5/2 Steele KV; early north 5/4 Mille Lacs DB, 5/5 Duluth KE, 5/8 Aitkin WN, 5/19 St. Louis AE. | ||
| 1988 | Summer | No nesting reported. Seen in Kittson, Roseau, Marshall, Lake of the Woods (scarce), Becker, Otter Tail, Hubbard, Cass, Aitkin, Mille Lacs. | ||
| 1988 | Fall | All reports: 8/18 Aitkin AP, 8/19 Lake of the Woods AP, 9/2 Clearwater AB, 9/18 Aitkin WN, 10/13 Freeborn AP. Forster's Thrn All reports: 8/17 Hennepin SC, 8/23 Freeborn NHO, 8/31 Becker BK, 9/3 Clearwater AB, 9/4 Todd PH, 9/6 Goodhue AP, 9/10 Pope RJ, 9/18 Aitkin WN, 9/19 Blue Earth MF. | ||
| 1989 | Spring | Early south 4/24 Hennepin RH, 4/30 Steele KV and Washington WL, 5/2 Dakota JD; early north 5/7 Aitkin WN, 5/11 Duluth TW, 5/16 Kittson TR. | ||
| 1989 | Summer | Nested at Lake Kabetogama, St. Louis Co. (21 pairs) BP; Interstate Island, Duluth (81 pairs) BP; Mille Lacs Lake, Mille Lacs Co. (187 pairs) BP. Also seen in Lake of the Woods, Becker, Lake, 6/ I Goodhue AP, 6/ I 0 Fillmore GMD. | ||
| 1989 | Fall | All reports: 8/10 Lake of the Woods PS, 8/13 Aitkin WN, 9/10 St. Louis AB, 10/13 Lac qui Parle AB. | ||
| 1990 | Spring | Early south 4/27 Hennepin MB, 4/28 Big Stone CMB, 4/29 Stevens BK; early north 4/22 Mille Lacs WL, 5/4 St. Louis PS, 5/14 Hubbard TS. | ||
| 1990 | Summer | Seen in Lake of the Woods, Becker, Cass, Crow Wing, St. Louis, Morrison, Washington (no date, WL; Forster's?). | ||
| 1990 | Fall | All reports: 8/19 Dakota EL, 8/24 Lake of the Woods AB, 8/27 Goodhue RH and Hennepin OJ, 9/22 Hubbard RJ. | ||
| 1991 | Spring | Early south 4/16 (ties earliest date on re- Winter 1991 cord) Yellow Medicine HK, 4/26 Chippewa RH and Swift CMB, 4/27 Rice OR; early north 4/27 Mille Lacs WL, 4/30 Becker DeB, 5/2 St. Louis PS. | ||
| 1991 | Summer | Seen in Roseau, St. Louis, Lake, Aitkin, Mille Lacs. | ||
| 1991 | Fall | All reports: 8/5-23 Washington WL, 8/24 Beltrami DJ, 8/25 St. Louis AB, 9/7 St. Louis TW, 9/7-22 Aitkin WN, 10/13 Chippewa AB, 11/19-20 (latest date on record) Black Dog Lake, Dakota County RG et al. | ||
| 1992 | Spring | Early south 4/23 Washington WL, 4/25 Big Stone TEB and Lac qui Parle mob, 5/3 Lyon HK; early north 4/30 Pennington KSS, 5/11 Lake DPV, 5/12 Itasca RJ. | ||
| 1992 | Summer | Seen in Kittson, Lake of the Woods, St. Louis, Hubbard, Mille Lacs; plus late migrants 6/6 Pipestone, 6/7 Hennepin. Also several mid-summer reports from Meeker, Washington (most likely Forster's). | ||
| 1992 | Fall | Late north 9/5 Aitkin WN and Clearwater AB, 9/20 St. Louis mob; late south 8/10 Ramsey KB, 9/21–22 Washington WL, 9/27 Le Sueur PS. | ||
| 1993 | Spring | Early south 4/22 Cottonwood ED, 5/2 Ramsey RH. Early north 5/1 Douglas KW, 5/6 St. Louis TT, ME. | ||
| 1993 | Summer | Nested in Lake of the Woods, St. Louis; also seen in Aitkin, Mille Lacs. Migrants reported: 6/1 Ramsey, 6/2 Mower & Rice, 6/4 Todd, 6/5 Wilkin & Becker, 7/21 Anoka, 7/31 Sibley. | ||
| 1993 | Fall | All reports 8/7–24 St. Louis mob, 8/22,28 Aitkin WN, 8/31 Becker BBe, 9/3–4 Roseau PS, 9/24 Mille Lacs AB, 10/2 McLeod RJ, RG, 10/9 Chippewa AB. | ||
| 1994 | Spring | Early south 4/22 Cottonwood ED, 4/22 Ramsey RH, 4/24 Lyon AB: early north 4/22 Becker BBe, 5/4 Aitkin WN, 5/6 St. Louis ME/SK. | ||
| 1994 | Summer | Probable nesting in Lake of the Woods; also observed in Roseau, St. Louis, Lake. | ||
| 1994 | Fall | Late north 8/23 Lake of the Woods RJ, 8/26 Clearwater AB, 9/9 Aitkin CMG. Late south 8/18 Hennepin SC, 8/22 Chippewa County AB. | ||
| 1995 | Spring | Early south 4/28 Chippewa RH, 4/30 Cottonwood ED and Lincoln AB; early north 4/20 (earliest north date) Becker BBe, 4/29 Hubbard HJF, 5/7 St. Louis TW, 5/8 Mahnomen BK. | ||
| 1995 | Summer | Nested in Lake of the Woods. Observed in Cass (510 adults), Crow Wing, St. Louis, Lake; plus late migrant 6/1 Hennepin. A sick bird (which sub-sequently died) was found on 7/12 near Garvin in Lyon Co. (JSc); incredibly, this bird was banded as a nestling on 7/28/94 in Cleveland, England! | ||
| 1995 | Fall | Late north 9/4 Aitkin County CMG, 9/17 St. Louis County TW, 9/28 St. Louis KB, DBe. Only report south 8/28 Washington County WL. | ||
| 1996 | Spring | Early south 4/28 Cottonwood EG, 5/7 Winona CS, 5/8 Dakota DJ and Washington DS. Early north 4/26 Todd NJ, 5/2 Pennington SKS. | ||
| 1996 | Summer | Probable nesting in St. Louis; also seen in Roseau, Itasca, Cass, Crow Wing, Aitkin. | ||
| 1996 | Fall | Late north 9/7 Roseau KB, 9/8 St. Louis TW, 10/25 Mille Lacs KB (latest north date on record). Late south 8/2 Brown JSp, 8/25 Big Stone LE. | ||
| 1997 | Spring | Early south 4/25 Lac qui Parle RH, 4/28 Cottonwood ED, 5/4 Jackson MJC. Early north 5/15 Aitkin WN, 5/16 Becker RJ, 5/18 St. Louis TW. | ||
| 1997 | Summer | Observed in Roseau, Lake of the Woods, St. Louis, Itasca, Cass, Crow Wing; plus 6/1 Clearwater, 6/15 Marshall, 7/1 Todd. | ||
| 1997 | Fall | All reports: 8/22 Cass (3) MRN, 9/13–20 St. Louis MF, TT, 9/14 Mille Lacs ABo, 9/21 Lake of the Woods (16) and Roseau (6) PS. Peak count 8/6 (only 30+) on Mille Lacs Lake CM. | ||
| 1998 | Spring | Early south 5/8 Big Stone RJ, 5/9 Lincoln RgS and Dakota DBS. Early north 5/9 Aitkin CMG, 5/14 St. Louis TW, 5/16 Marshall (2) AH, PS. Late south 5/29 Anoka RH. Peak count 5/31 Duluth (110) PS. | ||
| 1998 | Summer | Probable nesting in St. Louis; also seen in Roseau, Lake of the Woods, Marshall, Pennington, Aitkin. Late migrant 6/2,4 Hennepin SC. | ||
| 1998 | Fall | Late north 9/3 Aitkin WN, 10/5 Mille Lacs AH. Peak counts 8/23 Lake of the Woods (120) and Roseau (160) PS. Late south 10/3 Jackson MJC, 10/2–4 Lyon (max. 8) KE, RgS, 10/20 Swift ABo. | ||
| 1999 | Spring | Arrived on time south (earliest 4/24 Swift FE) and north (earliest 5/1 Polk PJ, DN), but few north reports. Late south 5/21 Renville (3) AH, PS, 5/22 Hennepin (5) SC. Peak counts both in Duluth: 5/21 (410) and 5/24 (755) St. Louis PS. | ||
| 1999 | Summer | Fewest reports ever. Nested at traditional site in Lake of the Woods Co. (300 adults with many eggs and downy young on 7/18) AnH, AH, PS; also observed in Mille Lacs, St. Louis. | ||
| 1999 | Fall | Only reported from three north and three south counties. All north reports: 8/21 Cass MRN, 10/1 Crow Wing MRN, 10/9 Becker BK. All south reports: 8/12 Lac qui Parle BOl, 8/17 Dakota DBS, 9/17 Meeker DF. | ||
| 2000 | Spring | Observed in 12 south and 8 north counties in all regions. Early south 4/29 Lac qui Parle FE, 5/5 Stevens RJ and Hennepin ABo. Early north 4/21 (second earliest north) Mille Lacs (4) MRN, 4/28 Cass MRN. Peak count 5/21 St. Louis (350 in Duluth) PS. | ||
| 2000 | Summer | Just like last summer, the fewest number of reports ever; only observed in St. Louis and 7/23 Big Stone (presumably an early migrant) PCC. | ||
| 2000 | Fall | Reported from Aitkin, McLeod, and Mille Lacs in late August, then only 9/23 St. Louis (9) PHS. | ||
| 2001 | Spring | Observed in 11 south and 9 north counties, though none in West-central. Arrived later than recent medians south (4/24) and north (4/29). Early south 5/5 Freeborn RBJ and Meeker DMF. Early north 5/1 Crow Wing and Mille Lacs MRN. Peak count 5/17 St. Louis (700 in Duluth) KJB. | ||
| 2001 | Summer | Reported near known breeding sites in Roseau, Lake of the Woods, Cass, St. Louis; plus 6/2 Clay, 6/3 Marshall. | ||
| 2001 | Fall | High count 9/8 Mille Lacs L. (304) KJB. Reported from five north counties. Late north 10/27 Beltrami (L. Bemidji) †DPJ (The Loon 74:118), 11/4 Mille Lacs (Mille Lacs L.) †PCC, †PHS. Only south report: 8/31 Jackson MJC. | ||
| 2002 | Spring | Observed in 12 south and 11 north counties in all regions, but only Goodhue in Southeast, St. Louis in Northeast. Early south 4/27 Nobles RBJ, 5/4 Jackson MJC; also seen 5/12 Benton (Little Rock L.) HHD. Early north 5/11 St. Louis JWL, 5/12 Grant SPM, DKM. Late south 5/25 Hennepin (one at French L.) SLC, but see summer report for record late south dates. | ||
| 2002 | Summer | Reported from traditional nesting areas in St. Louis, Cass, Mille Lacs; plus late migrants 6/4 Freeborn AEB, 6/5 Rice (15) TFB, 6/7 Marshall PLJ, 6/10 and 6/14 (record late south date) Dakota (max. 3 at L. Byllesby) †ADS. Only early fall report 7/21 Lac qui Parle (2) PCC. | ||
| 2002 | Fall | Scarce. Reported from six north counties. Late north 10/11 St. Louis MRN, 10/23 Mille Lacs (Malone Island Bridge, Mille Lacs L.) ph. †PHS. Only south report: 9/2 Rice FVS. | ||
| 2003 | Spring | Seen in 12 south and 9 north counties. No reports from Southwest, and only Red Lake (5/19 JEB, RBJ) in Northwest. Early south 4/26 Le Sueur DPS, 5/7 Freeborn AEB. Early north 5/1 Aitkin WEN, 5/5 St. Louis PHS. Late south 5/30 Dakota ADS, also see summer report. | ||
| 2003 | Summer | Seen at traditional breeding sites in Lake of the Woods, St. Louis; plus late migrant 6/1 Pipestone †KRE and early migrant 7/26 Dakota REH. | ||
| 2003 | Fall | North reports from Cass, Crow Wing, Itasca (10/6, RBJ), Roseau, St. Louis, plus late north reports from Lake where any Sterna unexpected: 10/15 JWL, 10/19–21 (different bird) PCC, JWL, 10/24 JCG. All south reports: 9/13 Rice DAB, FVS, 9/16 Dakota JPM, 9/19 Sherburne MRN. | ||
| 2004 | Spring | Seen in 15 south and 12 north counties in all regions. Early south (recent median 4/25) 4/22 Big Stone BJU, 4/24 Chippewa and Lac qui Parle BJU, 5/5 Hennepin SWe. Early north (median 4/30) 4/27 Becker BRK, 5/2 Aikkin WEN. Highest reported count 5/13 St. Louis (1500 at Park Pt., Duluth) MH, PHS. | ||
| 2004 | Summer | Observed in Mille Lacs, St. Louis, Itasca, Lake of the Woods, Roseau, Polk. | ||
| 2004 | Fall | North reports from Cass, Crow Wing, Itasca, Roseau, and (late north and second highest fall count) 9/22 St. Louis (200+) PHS. Only south reports: Freeborn, Hennepin, and (late south) 9/22 Rice TFB. | ||
| 2005 | Spring | Seen in 11 south and 13 north counties in all regions, but only Lyon in Southwest, Olmsted in Southeast, and St. Louis in Northeast. Excluding undocumented report 4/17 Steele (Forster's Tern normally arrives in mid-April), early south 5/6 Dakota SWe and Steele NFT, 5/9 Lyon DDM, BJM, 5/11 Rice DAB. Early north 5/5 St. Louis MTA, 5/6 Cass BJU, 5/9 Marshall (3 at Agassiz N.W.R.) †PHS. Late south 5/19 Dakota JPM and Hennepin ADS, 5/27 Sibley JOt. Most of the 800 Sterna, sp. on Mille Lacs L. 5/12 Crow Wing MRN were probably hirundo. | ||
| 2005 | Summer | Reported only from St. Louis: 6/1 TPW, 6/25-26 MRN, 6/29 ALE. | ||
| 2005 | Fall | North reports from Lake of the Woods, Mahnomen, Mille Lacs, and St. Louis; last seen 10/16 Duluth (first-winter) PHS. Only south report: 8/4 Lincoln and Yellow Medicine BJU. | ||
| 2006 | Spring | Seen in 17 south and 8 north counties in all regions. Early south 4/20–21 Brown JSS, 4/24 Hennepin SWe. Early north 5/8 Lake of the Woods MHK and St. Louis PHS. Late south 5/28 Sibley DWK, 5/29 Lac qui Parle BJU. Highest reported count 5/19 St. Louis (150) PHS. | ||
| 2006 | Summer | All reports: 6/3 St. Louis JMJ, 6/6, 6/15 Lake of the Woods RBJ, LBF, 6/10, 7/1, 7/3 Cass CAM, HHD, CRM, 6/14, 7/15 Mille Lacs ASc. | ||
| 2006 | Fall | North reports from Lake of the Woods, Beltrami, Cass, Mille Lacs, St. Louis, Lake (9/13, 3 at Knife River, KRE); late north 10/18 Mille Lacs (first-winter) PHS, 10/21 Cass PBB. South reports from Big Stone, Lac qui Parle, Swift, Washington; late south 9/4 Big Stone BJU. | ||
| 2007 | Spring | 8 | 8 | Early south 5/2 Hennepin LMS, 5/8 Meeker DMF. Early north 5/5 Mille Lacs NSc, 5/7 St. Louis PHS. Unusual location 5/27 Lake (4 at Castle Danger on Lake Superior) JWL. High counts 5/9 St. Louis (390 at Park Point, Duluth) PHS, 5/25 Cass (800 at Pelican Island, Leech Lake) BAW. Late south 5/17 Dakota JWH, 5/21 Rice DAB, JWH. |
| 2007 | Summer | 4 | North reports from Lake of the Woods, Cass, Mille Lacs and St. Louis. High count 7/14 Cass (30) AXH. | |
| 2007 | Fall | 8 | 4 | Late north 10/2 Crow Wing (Garrison) MRN, 10/6 Cass (3 at Bear Island, Leech L.) BAW and St. Louis HHD, JWL. All south reports: 8/2 Sherburne PLJ, 8/19 Meeker (Belle L.) DMF, 9/8 Meeker (2, L. Ripley boat landing) DMF, 9/8 Chippewa (south end of Lac qui Parle L.) BJU, 9/9 Lac qui Parle (Wild Wings W.M.A.) BJU. High counts 8/3 Cass (120, Pelican Island) BAW, 8/29 St. Louis (115, Duluth) KJB. |
| 2008 | Spring | 9 | 15 | Early south (median 4/25) 4/26 Meeker DMF, Big Stone SWe. Early north 5/3 Douglas JPE, 5/8 Itasca EEO and St. Louis PHS. High count 5/17 St. Louis (82, Interstate Island W.M.A.) PHS. Late south 5/21 Blue Earth ChH, Ramsey (3) BRL, and Rice TFB, 5/31 Dakota RLW (median 6/1), but see summer report. |
| 2008 | Summer | 7 | 1 | Reported from Roseau, Clearwater, Cass, Itasca, Crow Wing, St. Louis, Mille Lacs plus 6/1 Blue Earth (2) ChH. |
| 2008 | Fall | 6 | 3 | Late north 9/28 St. Louis (7, Park Point) PHS, 10/8 St. Louis (4, Minnesota side of Superior Entry) PHS (median 9/26). All south reports: 9/2 Lac qui Parle (Big Stone N.W.R.) BJU, 9/6 Lac qui Parle (Big Stone N.W.R.) PHS, 9/13 Pope (5) MJB, 9/16 Hennepin (2, Purgatory Creek wetlands, Eden Prairie) JCy. |
| 2009 | Spring | 15 | 17 | Early south (median 4/26) 4/20 Cottonwood (3) DHr, 4/25 Lac qui Parle SWe. Early north (median 5/1) 5/1 Douglas JPE, 5/2 Crow Wing PEJ. See summer report for late migrants south. High count 5/21 St. Louis (998) PHS. |
| 2009 | Summer | 6 | 1 | Found in Lake of the Woods, Cass, St. Louis, Cook, Mille Lacs. Unusual report away from known breeding locations 6/13 Carlton RBW. Late south migrants 6/4 Dakota (12, Black Dog L.) ADS. |
| 2009 | Fall | 5 | Late north 10/17 Mille Lacs ASc (median 10/1). Very few reports. | |
| 2010 | Spring | 8 | 11 | Early south (median 4/26) 4/23 Big Stone (Otrey Twp.) BJU. Early north (median 5/1) 5/8 St. Louis (9, Duluth) PHS. High count 5/14 St. Louis (1,187, Minnesota side of Superior Entry) PHS. Late south 5/17 Ramsey (White Bear Lake) KMn, 5/18 Dakota (2) JPM (median 6/1), but see summer report. |
| 2010 | Summer | 10 | 1 | Found in all northern regions plus Kandiyohi, Mille Lacs. First county breeding record from Crow Wing PSP. |
| 2010 | Fall | 7 | 3 | All south reports: 9/5 Dakota (3, Black Dog Lake) DAd, 9/6 Brown (Sleepy Eye W.T.P.) BTS, 9/22 Lac qui Parle (9, Bolland Slough) BJU. High counts 8/2, 8/4 St. Louis (36, Interstate Island) KJB. Late north 9/26 St. Louis (2, Park Point, Duluth) KRE, 10/16 Mille Lacs RZi (median 10/1). |
| 2011 | Spring | 12 | 15 | Early south (median 4/26) 4/28 Lac qui Parle (Big Stone N.W.R.) BJU, 4/30 Lac qui Parle JFR, SWe, 5/1 Yellow Medicine CAB. Early north (median 5/1) 5/7 Douglas JPE, Otter Tail (7, Middle Leaf Lake) RTo, Todd FGo, 5/9 Otter Tail GO. High count 5/15 Cass (180, Blackwater Cabins) ABi. Late south 5/18 Pope DAC, 5/20 Lac qui Parle (Salt Lake) BJU (median 6/1). |
| 2011 | Summer | 5 | 1 | Found in Cass, Houston, Lake of the Woods, Mille Lacs, Otter Tail, St. Louis. |
| 2011 | Fall | 4 | 2 | No significant counts. Late north 9/23 Crow Wing (6, Lake Mille Lacs) JLK, 9/25 St. Louis (Superior Entry) PHS (median 10/1). Only south reports: 9/5 Murray (Lake Shetek) BJU, 9/19 Lac qui Parle (2, Big Stone N.W.R.) BJU (late median 9/16). |
| 2012 | Spring | 11 | 14 | Early south (median 4/26) 4/27 Sherburne ASc, 4/29 Washington LMS. Early north (median 5/1) 5/2 St. Louis (5) JLK, 5/5 Douglas JPE. High count 5/15 St. Louis (2,087, Duluth) PHS, JLK. See summer report for late migrants south. |
| 2012 | Summer | 5 | 1 | Observed in Cass, Lake of the Woods, Mille Lacs, Ramsey, Roseau, St. Louis. |
| 2012 | Fall | 8 | 1 | High count 8/21 Cass (185, Leech Lake) PLJ. Late north 9/17 St. Louis JFr, 10/9 Mille Lacs SMC (median 10/1). Only south reports from Hennepin: 9/24 (Old Cedar Av. Bridge) RDa, 9/28 (Bass Ponds, Minnesota Valley N.W.R.) RDa, 9/30 (Old Cedar Ave. Bridge) SOa (late median 9/16). |
| 2013 | Spring | 16 | 17 | Early south (median 4/26) 4/27 Martin JPr, 4/28 Hennepin BMa, 4/29 Ramsey BNW, 5/2 Washington (5, Forest Lake) JSa. Early north (median 5/1) 4/27 Marshall (2, near Warren) CCr, 5/5 St. Louis (2) JLK, 5/6 St. Louis (4) ANy. High counts 5/22 St. Louis (1,700 at Superior Entry and along Park Point) KJB, (1,620, Superior Entry only) PHS. See summer report for late south migrants. |
| 2013 | Summer | 6 | 2 | Reported from Becker, Cass, Chisago, Freeborn, Koochiching, Lake of the Woods, Mille Lacs, St. Louis. |
| 2013 | Fall | 5 | 1 | High counts 10/3 St. Louis (23, Park Point) JLK, 8/22 St. Louis (20, Hawk Ridge/Lester River Census) KJB. Late north 10/9 St. Louis (12, Duluth) KRE, 10/13 Cass (4, Leech Lake) BAW (median 10/1). Only south report 9/1 Pope (Glenwood) ARh. |
| 2014 | Spring | 16 | 21 | Early south (median 4/26) 4/20 Murray (3, Lake Wilson) †TKa, 4/25 Ramsey REH, 5/8 Olmsted (2) ANy, DBz, RMD, JWH. Early north (median 5/1) 5/6 Crow Wing (2) JPR, Koochiching (2) CMn, 5/7 Roseau BSi. High counts 5/17 Itasca (150) TCL, 5/15 St. Louis (80, Park Point R.A.) JLK. Late south 5/24 Dakota RGa, Wabasha (3) JPr, 5/26 Carver JCr, 5/28 Scott RGa (median 6/1). |
| 2014 | Summer | 4 | Found in Cass, Mille Lacs, Roseau, St. Louis. | |
| 2014 | Fall | 6 | Late north 9/28 St. Louis RZi, JMs, KMS, DFe, (50, also the seasonal high count, Superior Entry) ToL, 10/6 St. Louis (Superior Entry) ToL (median 10/1). No fall south reports for the first time since 2009. | |
| 2015 | Spring | 9 | 17 | Early south (median 4/26) 5/2 Goodhue ASa, 5/4 Jackson JPr, 5/11 Lyon (3) GWe, Nobles ANy. Early north (median 5/1) 5/5 Crow Wing KMa, St. Louis (8) DCZ, 5/6 Crow Wing HHD, RAE, JPR, ABi. High counts 5/17 St. Louis (300, Park Point) KJB, 5/10 St. Louis (200, Superior Entry) TRK. Late south 5/27 Meeker ANy, 5/28 Freeborn TAT (median 6/1), but also see summer report. |
| 2015 | Summer | 10 | 1 | Found in all northern regions plus Mille Lacs. |
| 2015 | Fall | 9 | 3 | After 9/7 only reported north from St. Louis, where last found 9/28 St. Louis (34, season high count, Hawk Ridge/Lester River Census) KJB, 9/29 St. Louis (4, Park Point) JPR, 10/2 St. Louis (juvenile, Park Point) ALx (median 10/6). All south 8/19 Ramsey REH, 8/30 Scott (Spring Lake) JRg, 9/21 Freeborn RTP. |
| 2016 | Spring | 13 | 15 | Early south (median 4/26) 4/24 Jackson DAk, 5/7 Goodhue (Villa Maria Retreat Center) SWl, (Frontenac S.P.) SWe, TLg, (Hok-Si-La Park: seen just north of park) SWe. Early north (median 5/1) 5/7 St. Louis (4) JLK, 5/8 Crow Wing KNo, Otter Tail RTo, St. Louis (5) JPR. High count 5/19 St. Louis (219, Park Point near Sky Harbor Airport) JLK. Late south 5/26 Olmsted (2) LAV, 5/29 Dakota (4) MJM (median 6/4). |
| 2016 | Summer | 9 | 1 | Found in all northern regions plus Lyon, Mille Lacs, Morrison. In Cass County, the Leech Lake colony fledged 128 chicks SMe. High count 7/18 St. Louis (660, 180 nesting pairs produced >300 chicks at Interstate W.M.A., Duluth) Fred Stern fide PHS. According to an 18 July 2016 article in the Duluth News Tribune, geolocaters have shown that Interstate W.M.A. birds first head east to Lake Erie, then southeast to the Carolina and Florida coasts, before migrating to western Central and South America. |
| 2016 | Fall | 9 | 3 | High counts 8/3 Cass (140, Leech Lake, Pelican Island) DAY, 9/7 St. Louis (70, Park Point R.A.) JWL. Late north 10/2 Crow Wing (4, Mille Lacs Lake) ABi, Otter Tail JMy, 10/15 Crow Wing HCT (median 10/6). All south 8/26 Brown (Lake Hanska) BSa, 9/6 Hennepin (9, Lake Calhoun) †TAT, 9/16 Nobles (Lake Bella W.M.A.) NWi. |
| 2017 | Spring | 15 | 18 | Early south (median 4/27) 5/6 Hennepin DCZ, Scott ANy, DBz, 5/7 Ramsey DnS. Early north (median 5/2) 5/4 St. Louis (2, Park Point) JLK. High counts 5/21 St. Louis (1,575, multiple counts by 25s, results averaged; Park Point, dune bridge near airport) PHS, MLH, 5/20 St. Louis (1,063, one hour count of individual migrants) PHS. Late south 5/27 Dakota (2, Spring Lake P.R.) MMa, 5/28 Olmsted (Gibbs Elementary Ponds) JmP, but also see summer report (median 6/1). |
| 2017 | Summer | 12 | 1 | Seen in northern half of state, plus late migrant 6/2 Cottonwood. High count 6/4 St. Louis (90, Park Point) KRE. Unusual report 6/17 Grant †WCM. |
| 2017 | Fall | 6 | 1 | High counts 8/27 Lake of the Woods (75, Zippel Bay S.P.) LiH, KnM, ASu, 8/22 Crow Wing (30, Mille Lacs Lake, Garrison) PSP. Late north 9/19 St. Louis (max. 8, Park Point R.A.) TRd, BBa, 9/26 St. Louis (2, Brighton Beach) TRd, 9/28 St. Louis (5, Park Point, Pine Forest S.N.A.) BAF (median 10/8). Only south 9/16 Wright ToL. |
| 2018 | Spring | 19 | 23 | Early south (median 4/27) 4/28–5/1 Hennepin (max. 12) ADi, m.ob., 5/2 Olmsted (max. 6) JmP, JoP. Early north (median 5/2) 5/4 St. Louis TRd, 5/5 Otter Tail RTo. High counts 5/22 St. Louis (580, Superior Entry) KRE, 5/19 St. Louis (300, Park Point R.A.) StK. Notable record 5/9 Watonwan (3, Madelia) ANy. Late south 5/28 Olmsted (4) MiD, Scott BHe, Sibley (5) RBW, m.ob., 5/30 Sherburne (2) ebd (median 6/1). |
| 2018 | Summer | 11 | 1 | Seen in all northern regions plus Lac qui Parle, Mille Lacs, Otter Tail, Todd. |
| 2018 | Fall | 9 | 4 | Â High count 8/18 Cass (46, Walker City Park) REn. Late north 10/10 Hubbard REn, 10/12 Todd (2) AaL, 10/17 Crow Wing (2) EzH, IsH (median 10/8). All south 8/2, 12, 23 Sherburne (Sherburne N.W.R.) JGb, m.ob., 9/2 Olmsted (Haverhill Twp.) JPr, 10/2 Cottonwood (2, Dale Twp.) LHl, 10/3 Lyon (2) RJS. |
| 2019 | Spring | 19 | 22 | Early south (median 4/27) 4/24 Cottonwood DHr, 4/26 Carver JSt, 5/1 Kandiyohi JWd. Early north (median 5/3) 5/4 Lake of the Woods TPW, St. Louis (2, Mud Lake) JLK, (3, St. Louis Bay) JDx. High count 5/19 St. Louis (550, Park Point R.A.) JDz. Late south 5/29 Watonwan (2) MGi, 5/30 Hennepin (2) ebd, 5/31 Carver TBu, KBu (median 6/1). |
| 2019 | Summer | 10 | 1 | Â Seen in all northern regions plus Grant, Mille Lacs, Otter Tail, Sherburne. High count 7/1 St. Louis (250, includes ~50 young at Interstate Island W.M.A.) NSn; many young found dead 7/22, probably from heat stress and recent storms. |
| 2019 | Fall | 10 | 4 | High count 9/7 Cass (45, Walker City Park) DoH. Late north 9/22 St. Louis (Park Point R.A.) VWe, 10/12 Lake JWL, St. Louis (Stoney Point) StK (median 10/9). All south 8/6 Benton (2, Little Rock Lake) DOr, HHD, 8/20 Lac qui Parle (Marsh Lake) † EzH, ASu, 9/8 Murray (Fulda) ebd, 9/27–28 Carver (2, Lake Waconia) WCM, m.ob. |
| 2020 | Spring | 14 | 25 | Early south (median 4/27) 5/2 Dakota (2) DGu, 5/8 Hennepin (2) ebd, 5/9 Goodhue SWe, RDa. Early north (median 5/4) 5/4 Crow Wing ASu, 5/5 St. Louis (25, Park Point R.A.) ClN, (Interstate Island W.M.A.) PHS. High count 5/20 St. Louis (750, Park Point R.A.) PHS, m.ob. Late south 5/23 Kandiyohi SGa, JWd, 5/25 Lyon (5) NMe, 5/30 Steele (4) JHl (median 6/1). |
| 2020 | Summer | 7 | 1 | Seen in Beltrami, Cass, Crow Wing, Hubbard, Itasca, Mille Lacs, Sherburne, St. Louis. At Interstate Island W.M.A., Duluth, 108 pairs fledged 143 young according to Fred Strand. A two-year restoration project was begun in spring 2020 to improve habitat for nesting terns, protect the island against erosion from high water levels, and restore the island to its original size. |
| 2020 | Fall | 7 | 3 | High count 8/6 St. Louis (50, Interstate Island W.M.A.) PHS. Late north 9/27 St. Louis (17, Park Point R.A.) REn, m.ob., 10/1 Crow Wing ebd, 10/9 St. Louis (Spirit Mountain) ebd (median 10/9). All south 8/16 Sherburne (3, Sherburne N.W.R.) PLJ, 9/4 Hennepin LKt, 9/5 Sherburne (Sherburne N.W.R.) ebd, 9/7 Big Stone ANy. |
| 2021 | Spring | 16 | 22 | Early south (median 4/27) 4/26 Carver TWe, 4/29 Dakota LHl, MwT, ebd, Goodhue LHl, GRe. Early north (median 5/4) 5/5 Polk CRM, 5/7 Otter Tail (4) BEc, 5/8 Cass (50) ebd, St. Louis (max. 20) HTo, m.ob. High count 5/18 St. Louis (280, Park Point R.A.) IDv, TRK. Late south 5/27 Pipestone (8) VKl, ebd, 5/28 Olmsted LAV, 5/30–31 Sibley DWK, KEm, JWH (median 6/1). |
| 2021 | Summer | 11 | 3 | Found in all northern regions plus Goodhue, Mille Lacs, Murray, Sibley. High count 6/3 St. Louis (200, Park Point) PHS; at nearby Interstate Island W.M.A., restoration work continued for a second year. |
| 2021 | Fall | 9 | 3 | High count 8/7 St. Louis (53, Interstate Island W.M.A.) PHS. Latest north all from St. Louis (Park Point R.A.): 10/3 (8) IDv, 10/12 (3) FKB, 10/18 (1) IDv (median 10/9). All south 8/29 Ramsey (Long Lake) MkC, 9/14 Rice (2, Wells Twp.) ebd, 9/25 Lyon (2, Cottonwood Lake) GWe, 10/9 Lyon (Sham Lake) GWe. |
| 2022 | Spring | 17 | 21 | Early south (median 4/27) 4/23–24 Lincoln (max. 6) RJS, m.ob., 4/29 Freeborn (2) DFN, 5/1 Meeker PKF. Early north (median 5/4) 5/1–5 St. Louis (max. 25) StK, m.ob., 5/4 Crow Wing PEJ, 5/5 Polk (2) HHu. High count 5/23 St. Louis (560, Park Point R.A.) HTo, FJN. Late south 5/23 Freeborn (3) JWH, 5/25 Rice TFB, 5/30 Swift EHi (median 6/1). |
| 2022 | Summer | 13 | 3 | Reported from all northern and central regions. High count 6/5 St. Louis (estimated 100, Interstate Island W.M.A.) PHS. |
| 2022 | Fall | 8 | 3 | High counts 9/3 Cass (116, Leech Lake) ebd, 9/20 St. Louis (106, H.R.N.R.) SeM, m.ob. Late north 9/28 Mille Lacs PEJ, 10/14 St. Louis (5) BLz, 10/23 Cass ANy (median 10/9). All south 9/17 Cottonwood (Talcot Lake W.M.A.) ebd, 9/25 Jackson (Spirit Lake) ebd, 10/11 Sherburne (Sherburne N.W.R.) ebd. |
| Breeds locally north. Migrant throughout. State designation: Threatened. | ||||
| 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. |