Boreal Owl(Aegolius funereus) |
Year | Season | N | S | |
1962 | Winter | | | Mar. 1, French River, St. Louis Co., one found dead by John Hale; Mar. 9, Two Harbors, Lake Co., at close range, Avifaunal Club and Janet Green, photographed by Dr. Gerry Church. |
1963 | Spring | | | A minor invasion during March along the north shore of Lake Superior. (See Notes of Interest.) |
1963 | Winter | | | Feb. 14, Duluth, one found dead, fide Jan Green. |
1964 | Winter | | | 1-19, Duluth, 1, excellent color-photos obtained at very close range, JCG. |
1966 | Spring | | | 4-6 Duluth, 1 found dead, KS. |
1966 | Winter | | | 2-12 Hubbard Co., 6 miles SE of Park Rapids, 1 photographed, JAH; 2-18 Ramsey Co., Langford Park, 1 found dead, specimen in University of Minnesota collection. |
1968 | Winter | | | First significant invasion since winter of 1965-66; note coincidence with Great Gray Owl invasion both years; see Jan Green's write-up this issue. |
1969 | Spring | | | See June issue |
1969 | Fall | | | 11-4 Cook, J. P. Perkins. |
1969 | Winter | | | 1-30-31 Tofte, Cook Co. Mrs. Hoglund and Superior National Forest staff. |
1971 | Spring | | | one was obsesved by RK on 4-4 at Two Harbors, Lake Co. |
1971 | Winter | | | 1-16 nhotographed SHERBURNE NWR, R. Watlov; 2-28 found dead, Duluth MMC.. |
1972 | Winter | | | 1-28 Duluth Mrs. Paine fide JCG. |
1973 | Winter | | | This very rare northern visitor showed up on 1-13 at Cotton, St. Louis Co. (E. Pearson). |
1974 | Winter | | | One found on the Gunflint Trail, Cook Co. on 1-1 (J. Jepson); this very rare owl continues to just barely hang on to its "regular" status.. |
1976 | Fall | | | Banded for the first time ever at Hawk Ridge in Duluth; total of 8 on 10-22, 26 and 30 (2), 11-6, 8, 10 and 14, D. Evans. |
1976 | Winter | | | The most elusive of all owls was recorded 6 times: dead birds were found on 2-15 at Duluth (B. Rutke); 2-23 on the Sawhill Tr., Cook Co. (fide M. Carr); 3-7 at Two Harbors, Lake Co. (M. <;arr); 3-1~ Agassiz NWR (SV) and one InJured bird 3-20 in Duluth· a live bird was seen at Silver Bay, L~ke Co. on 2-16 (T. Martinson). |
1977 | Spring | | | 1 report: 3-10 Marshall (1 dead) SVA. |
1977 | Winter | | | By far the largest invasion ever in Minnesota (and perhaps anywhere) with sightings of 66 individuals (see The Loon 50:63-68). |
1978 | Spring | | | 4-22 to 5-7 Cook (15) KE, TS. Also see LOON vol. 50, no. 2 for report on winter invasion. |
1978 | Summer | | | Nested in Cook -first record for U.S. south of Alaska (KRE). |
1978 | Fall | | | 11-8 Duluth 1 banded at Hawk Ridge Dave Evans. |
1978 | Winter | | | Three reports: 2-4 and 2-22 Duluth (fide KE); 2-5 Itasca (found dead, fide C. Henderson); 2-25,26 Waskish, Beltrami Co. (heard, D. Warner). |
1979 | Spring | | | 3-27 Lake (DOR) fide Koni Sundquist. |
1979 | Summer | | | Breeding reported from Cook (Loon 51:198-199). |
1979 | Fall | | | 11-15 Hawk Ridge 1 banded Dave Evans. |
1979 | Winter | | | Above average numbers along the north shore of Lake Superior. Up to seven individuals in the Duluth area from 1-19 to 2-9 (m.ob.), and three in Cook Co. ; two at Grand Marais 1-29 (JL) and one at Tofte 2-18 (GS). Satw-whet Owl More reports than usual. North reports include St. Louis: one dead on Hwy. 61, Lester River 12-3 (DA), one in Duluth Twnshp. 2-22 (KH), Itasca, Squaw Lake, one at feeder 1-22 (MS) and Carlton, north of Nickerson 1-29 (DGW). Only south report: Le Fall 1980 105 |
1980 | Spring | | | St. Louis 3-1M. Carr, 3-10-12 E. Fox, 5-2 Cook KMH. |
1980 | Fall | | | 10-28 Hawk Ridge D. Evans (1). |
1980 | Winter | | | Only report: Angle Inlet, Lake of the Woods (TD) needs details. |
1981 | Spring | | | All reports from Cook County, 3-27 to 4-28 KMH, 3-30, 4-1 TS (6), KE, 4-24 DB, RJ. |
1981 | Fall | | | On 11-3,4 two banded at Hawk Ridge. |
1981 | Winter | | | Four winter reports: Hubbard 12-30 (DAJ), Tofte, Cook Co 2-13 (dead), T. Biebighauser, Duluth 2-14 (dead). K. Sundquist and near Lutsen, Cook Co, 2-25, 2-27, T. Biebighauser. |
1982 | Spring | | | 3-18 St. Louis AE, 3-19 row Wi G Kvale fide JG, Cook 3-19, 4-H, 4-6,11 SL, 3-7 to 4-11 Cook m.ob. From 3-3 to 4-10 a total of 24 were found on the North Shore (most dead or starving). On 5-3,6 a nest and three eggs were found; they hatched 5-24 to 26 and were gone by 6-3. |
1982 | Summer | | | Nested in Cook (The Loon 54:212-214). One heard 7/1 Hwy 169 (mile post 292) Itasca (RBJ). |
1982 | Winter | | | Reported in Cook where it was heard calling along the Gunflint Trail from l/20 thorugh 2/27 (KMH, JP/AM). |
1983 | Spring | | | All reports: Cook 4/5 (5) KMH, 4/16 AB, DB, 4/23 AS, 4/25 KE, 5/21 Roseau P. Egeland, TS. |
1983 | Winter | | | Heard calling and/or seen at feeder on the Gunflint Trail in Cook, 1-25 thru 2-17 (KMH). Three Duluth area reports; one found dead in late Dec. 0. Evans, one at Stoney Point 2-10 (KE) and one heard 2276, L&F Weber. A south report of one found dead in western Hennepin Co., 1-24 (MRBA) but no details were ever received. |
1984 | Spring | | | 3/14 Cook (1) KMH, 3/19 Cook EH, 4/6 Cook (3) KMH, 4/20 Cook (I) KL, 4/21 Cook (I) MH, 5/27 Cook KMH -all reports. |
1984 | Fall | | | 10/28 Cook SL (needs details), 11/5 St. Louis (one banded) HR. |
1984 | Winter | | | Reported calling on the Gunflint Trail, Cook Co. on 12-5, 12-13, 12-23, 1-28, 129 and 2-25 (KMH). Also reported in Mahnomen 2-14 (MH), (The Loon 57: 1/0). |
1985 | Spring | | | 4/11 Cook (3) KMH, 4/20 Cook (3) AB, DB, KE, 4/28 Cook (I) WP, 4/30 Cook (2) T. Savaloja. |
1985 | Summer | | | Singing male, 7/12-7/29 Lake (nine mi. north of Isabella, SWIMS). |
1985 | Winter | | | One reported near Bearskin Lodge, Cook County on 2/16, D. Baden. No additional details were received on a 2/26 (MRBA) report of one at Lutsen, Cook Co. |
1986 | Spring | | | All reports: 41 I Cook KMH, 4/19 Gunflint Trail, Cook Co. (l calling male) KE, 4/26 same location (pair) KE, 5/2 Lake (1) B. Russell, 5/2 and 5/3 Lake (I) SWIMS, SS. |
1986 | Summer | | | Singing male, 7/22 Lake (same location as last year, SWIMS). |
1986 | Fall | | | All reports: 8/1-7 Lake (male still singing) SWIMS, 10/29 Hawk Ridge, Duluth (I banded) KE, 11/18 Duluth J. Newman (The Loon 59:52). |
1986 | Winter | | | St. Louis Co. near Cook on 12/23 (KB), Saginaw 2/1-2 (V. Rudolph) and Duluth 2/18 (J. Newman). Calling 9 miles north of Isabella on 2/25 (SWIMS). Also reported in Cook near Bearskin Lake on 2/21 (M. Nevens and J. Tofte). |
1987 | Spring | | | All reports: Mid-March Duluth (2 found dead) fide KE, 3/13-517 Cook m.ob., 3/17-51 15 Lake (12 locations) SWIMS; also nested in Roseau Co. (The Loon 59: 163-165). |
1987 | Summer | | | Nested in Roseau(The Loon 59: 163- 165). |
1987 | Fall | | | All reports: 10/10 (2) - 11/19 Duluth (8 banded at Hawk Ridge) KE, 10/28 Duluth WE. |
1987 | Winter | | | Reported only at the (KMH) feeder in late January and early February and calling on 2/13. |
1988 | Spring | | | All reports: 3/20 Duluth JN, 5/27 Roseau (I) KE; also over 50 calling males heard in St. Louis and Lake Co's. owl survey (fide SWi); also see The Loon 60:99-104. |
1988 | Summer | | | Extensive field census in 1988: singing males identified at 37 locations in Cook and southeastern Lake, with two nesting records in Cook (The Loon 60:99-104). Also nested in St. Louis (six miles S. of Hoyt Lakes, nest apparently failed, SWIMS, AE) and Lake (12 miles SW of Isabella, three young fledged, SWIMS). An additional 56 singing males in Lake and St. Louis surveyed by SW et al. |
1988 | Fall | | | All reports: 10/29 and 11/10 Duluth (2 banded at Hawk Ridge) KE, 11/29 Cook KMH. |
1988 | Winter | | | Also an invasion year with 100 + individuals recorded, almost all were found dead from road kills or starvation, primarily in the northeast region. Also reported in Clay 12/5 LCT, Kanabec 12/31 JG and in Minneapolis 2/18 SC (The Loon 61 :85-87). \ ><'¥Northern Saw-whet Owl |
1989 | Spring | | | All reports: 3/14 Ball Club, Itasca Co. TS; five dead birds were turned in from Roseau and Beltrami during March (KH). Also nested in Lake and Cook. (The Loon 61:115-117). |
1989 | Summer | | | Nested in Lake, one juvenile fledged, SW/ MS; also seen in Cook. Burrowing Owl, 25 June 1989, Rock County. Photo by Anthony Hertzel. |
1989 | Winter | | | Scarce following last year's invasion. Reported from two areas in Cook throughout the winter and from Duluth 2/20 DK. |
1990 | Spring | | | All reports: 3/4-5131 Echo Trail, St. Louis Co. SWIMS, 3/9-5119 Lake SWIMS, 3/10-51 27 Cook mob. |
1990 | Summer | | | Nested again in St. Louis, Lake, Cook. |
1990 | Fall | | | 10/24 St. Louis mob, fide KE. |
1990 | Winter | | | Light late winter flight in northeast: I /24 Tower, St. Louis, died on 1/27; Lake 1/25 T56N, R07W, Sec. 4; 2/3 Gooseberry Falls State Park; St. Louis 2/24 T54N, R20W, Sec. 2, bird died; Ely, St. Louis 2/26, found dead; all fide SW. |
1991 | Spring | | | All reports: 3/2-4129 Lake SWIMS et al., 3/15-5121 Cook mob. |
1991 | Summer | | | Only report: one calling 6/4 Cook KMH. |
1991 | Fall | | | All reports: 10/10 Hawk Ridge, Duluth TW, 11/16 Becker (found dead) BB, 11/26 Beltrami (found dead) DJ. |
1991 | Winter | | | Only reports Roseau (Hwy 3/0 bog)1/5 KB, SSt, Itasca 2/16 SW/MS (found dead), and Cook 2/25–26 SOL. No invasion discovered despite record numbers of other northern owls. |
1992 | Spring | | | All reports: early March, Roseau DD, 3/14 Cook SOL, 3/16 Lake DPV, 3/27 Gunflint Trail, Cook Co. KMH, 4/4 Lake of the Woods KSS, 4/13 Gunflint Trail, Cook Co. KMH, 5/10–11 Cook SOL. |
1992 | Winter | | | Reported 1/7 from Duluth fide KE; 1/29 Ely, St. Louis County SW/MS (female responded to tape of singing male); 2/17 Biwabik, St. Louis Co. (found dead) SW/MS, and 2/21 Grand Marais, Cook County (found dead) SW/MS. |
1993 | Spring | | | All reports: 3/27 Lake SW/MS (8 males calling near Isabella) and 4/6?16 Lake mob. |
1993 | Winter | | | Singing male reported in late Feb. along Lake County Road 2 fide KE. |
1994 | Spring | | | All reports: 3/4–5 Lake (14+) SW, 3/12 Lake (4) DSm, mob, 3/24 Lake DPV, 3/4–31 Cook SOL, 4/2 Lake (4) with one female at nest SW et al. |
1994 | Winter | | | Only report 2/28 Cook SOL. |
1995 | Spring | | | Found at ten locations within Lake mob; also 3/11 and 3/21 Cook OSL. |
1995 | Summer | | | First summer report in four years. Bird heard calling on 6/11 two miles east of Ray in Koochiching Co. PS. |
1995 | Fall | | | All reports: 10/16 Lake (dead) BY, late October St. Louis (3 banded at H.R.N.R.) DEv fide KE. |
1995 | Winter | | | Record Invasion. Steve Wilson reports that 171 were found dead through spring 1996, mostly in the northeastern part of the state; this total does not include some individuals reported by other observers. Reported from 21 counties as far west as Roseau and Becker counties, and as far south as Kandiyohi, Sherburne, Hennepin, Anoka, Isanti, Chisago and Washington. |
1996 | Spring | | | Record 1995–96 invasion continued into spring; new reports of live birds included 3/2 Lake PN, 3/22 Beltrami JSt, 3/23 Cook OSL, 4/1 Lake SW/MS. Steve Wilson and others compiled an incredible total of 212 Boreal Owls (194 during the 1988–89 invasion); articles documenting this and the Great Gray Owl invasion are published elsewhere in this issue. |
1996 | Fall | | | Only report: two banded at HRNR, St. Louis Co. DEv. |
1996 | Winter | | | For the second consecutive winter, more than 100 Boreal Owls have been picked up starving or dead fide SW. Additionally, a number of individuals ventured south where reported from Kandiyohi, plus Anoka, Hennepin, Ramsey and Washington in the Twin Cities area. A first county record established 1/27 Mille Lacs fide PP. |
1997 | Spring | | | Largest irruption on record with many south reports (The Loon 69:125–29). Reported through 3/22 at Springbrook Nature Center, Anoka Co. (The Loon 69:111–113). First county record Todd (March) ph. JSK. Despite high mortality during the 1996–97 irruption, 44 Boreal Owls were detected by Bill Lane during standardized surveys this spring in northeast Minnesota (The Loon 69:145–150). 3/1–31 Todd ph. JSK (The Loon 69:198). Record high total of 264 Boreal Owls during their 1996-1997 irruption (The Loon 69:125–129). [Corrected] |
1997 | Fall | | | Only report: one banded 11/5 at Hawk Ridge Nature Reserve, St. Louis Co. DEv. |
1997 | Winter | | | Only report: 1/29 Lake (calling) fide SC. |
1998 | Spring | | | Spring surveys in NE Minnesota by Bill Lane found only ten birds on territory. |
1998 | Fall | | | Only report: one found dead 11/9 St. Louis (Duluth) AH. |
1998 | Winter | | | Reported calling from two locations along Lake Co. Rd. 2 in late February (2/21 fide KE and 2/24 fide SW/MS). Also reported 1/19–21 St. Louis SW/MS and 2/20 St. Louis (Fond du Lac) AH. |
1999 | Spring | | | April surveys in northeastern Minnesota by Bill Lane found 15 singing males with females detected on four territories. Two were heard 3/19 along the Stony River Forest Road, Lake Co. AH. |
1999 | Fall | | | Three were banded in St. Louis (HRNR in Duluth): 10/1 (relatively early) and two in November (DEv et al.). |
1999 | Winter | | | Reported calling as early as late Jan. along Lake Co. Rd. 2 fide FN. Two were heard on 2/28 along the Stoney River FR, Lake Co. AH, PS. |
2000 | Spring | | | All reports: 3/18 Lake (3 near Isabella) JLi, 3/18 Lake (same birds as 2/28, see winter report) AH, 4/8 Cook (Sawbill Trail) WM. Number of territorial males (7) surveyed by BLa down from previous two springs. |
2000 | Fall | | | Major irruption beginning 9/29 (found dead) and 10/6 (injured by hitting window) St. Louis fide KRE. Seven banded at HRNR (DLE et al.) and two dozen banded near Hartley Field (FN) in Duluth during November! |
2000 | Winter | | | Major irruption with high mortality (The Loon 73:143–151). |
2001 | Spring | | | Second largest irruption in state history (The Loon 73:143–151). Discovered as far south as 3/18 Carver (Victoria) JBr et al. First county record mid-March Clearwater fide BAB. |
2001 | Fall | | | No reports. |
2001 | Winter | | | No reports. |
2002 | Spring | | | Seven males calling on territories in Cook BLa, representing the second lowest total since 1987. Also reported from Lake. |
2002 | Fall | | | No reports. |
2003 | Spring | | | Only reports: Cook. |
2003 | Summer | | | Only report 6/13 Lake (Trappers L.) M.C.B.S. |
2003 | Fall | | | No reports. |
2003 | Winter | | | Found dead 2/7 Polk (Wetlands, Pines and Prairie Audubon Sanctuary) LBe fide †PHS. |
2004 | Spring | | | Surveys 3/15–31 detected only two singing males in the Northeast WHL. |
2004 | Summer | | | Only report: 6/8 St. Louis (singing southeast of Hoyt Lakes) JCG. |
2004 | Fall | | | Record-high irruption; previous record exceeded by the total of 268 banded in St. Louis by FJN alone! |
2004 | Winter | | | Record-high irruption with lower mortality rate compared to recent such events; complete details will be published in a future issue of The Loon. Unusual locations 1/15–16 Pennington (near Thief River Falls) SBr, ph. JMJ, 1/23 Stearns (St. John's Abbey) BLW fide PCC. |
2005 | Spring | | | Largest irruption in state history detected by banding along the North Shore of Lake Superior in late fall and multiple sightings in Aitkin, Lake, and St. Louis during winter season; high mortality beginning mid-January; details will be presented in a future issue of The Loon. Unusual location 3/8 Polk (Fertile) NGE. One heard singing along Stony River F.R. 4/3 Lake MTA, MLH. |
2005 | Fall | | | Total of five banded in October along the North Shore of L. Superior in St. Louis FJN. Also reported 11/26 St. Louis (Hoyt Lakes) fide MLH. |
2005 | Winter | | | About seven individuals reported in contrast to last winter's record-setting irruption: 12/17–23 Cook BWS, mid-January Aitkin (found dead) fide AXH, 2/7, 2/16–17 St. Louis JCG, 2/9–16 Cook (same bird in December?) BWS, plus three found dead along the North Shore in late February. One of the latter (2/26 T61N, R2E, section 8, Cook DI) had been banded at Whitefish Point Bird Observatory, Michigan fide SGW. |
2006 | Spring | | | Reported from Cook, Lake, and 3/6 St. Louis (Duluth Twp.) UK. |
2006 | Summer | | | Only report: 6/3 Koochiching (heard calling near Big Falls) AXH. |
2006 | Fall | | | None banded at H.R.B.O. |
2007 | Spring | 1 | | One singing 3/24 Lake AXH, PHS. |
2007 | Summer | | | No reports. |
2007 | Fall | 1 | | Only report: 11/10 Douglas (injured bird retrieved at Lake Carlos S.P.) fide JMJ. |
2007 | Winter | 1 | | Only report 2/17 of two calling birds from Fishhook Island on Seagull Lake at the end of the Gunflint Trail (C.R. 12) in Cook County (JHo). |
2008 | Spring | 1 | | One bird present in a residential backyard south of McGregor 3/1–12 KCR. |
2008 | Fall | 1 | | Only report: 11/15 St. Louis ABL. |
2008 | Winter | 5 | | A conservative estimate of 17 individuals, mostly from St. Louis and Lake counties in the Northeast, including one found dead 1/10 Lake (Two Harbors) JWL. In the Northwest, birds reported 1/7 Beltrami and 1/16 Polk ph. fide JMJ. |
2009 | Spring | 1 | | Two reports, both in Cook: 3/6 (near Grand Marais) SC, DBr and 3/21 (Grand Marais) LAn. |
2009 | Fall | 1 | | [1 North]. Individuals banded in St. Louis (Lakewood Twp.) 11/4, 11/15 FJN. |
2009 | Winter | 1 | | All reports: 12/21 St. Louis AXH, 2/1 St. Louis (Cotton) JoY. |
2010 | Spring | | | No reports. |
2010 | Fall | | | No reports. |
2010 | Winter | | | No reports. |
2011 | Spring | 1 | | A male found on territory in Lake 3/19 SGW was joined by a female and successfully bred. Last seen 5/18 (ad. feeding young in tree cavity) SGW. One additional report 4/2 Lake (Stony River F.R.) MSo. |
2011 | Summer | 1 | | Heard calling 6/23 Lake JBa. |
2011 | Fall | | | No reports. |
2011 | Winter | 1 | | Only report was a single individual 12/17 ;Grand Marais CBC. |
2012 | Spring | | | No reports. |
2012 | Fall | | | No reports. |
2012 | Winter | 10 | | No reports in December and only 1/5 Cook (3 miles west of Grand Marais) BWS, 1/10 St. Louis (Sax-Zim Bog) ChH through 20 January, but then the fourth largest invasion ever commenced and extended into the spring season. While the highest numbers were in St. Louis and Lake counties, individuals were also reported from Itasca, Roseau, Marshall, and Polk beginning in late January, and from Koochiching and Aitkin in February. Farthest south report 2/17 Pine (St. Croix S.P.) MaC. |
2013 | Spring | 13 | 5 | The fourth largest documented irruption (The Loon 85:148–149) lasted into the spring with many continuing north reports, one south report of an apparently healthy bird 3/16–17 Hennepin, and multiple discoveries south of deceased individuals 3/8 Sherburne, 3/19 Stearns, 4/21 Ramsey, and 5/7 Wright (record late south, ph. fide DAC). Late north 3/24 Clay ph. fide CRG, 3/24 St. Louis (staff at the Hartley N.C.), 3/26 St. Louis (Lester River Rd.) KJB, 4/1 Polk (deceased, East Grand Forks) VLa, and approx. 4/2 Cook FJN. |
2013 | Fall | | | No reports. |
2013 | Winter | 2 | | Two reports: 2/15 Cass (found dead) ph. LTh, 2/23 Cook JaJ. |
2014 | Spring | 3 | | All reports: 3/23 Koochiching (Rainy Lake) AMe; 3/28, 4/2 Lake (same location) SGW; 4/5 Roseau (specimen found just outside Beltrami Island S.F.) GMM. |
2014 | Summer | | | No reports. |
2014 | Fall | | 1 | The only record was exceptional! One was discovered roosting among trees being cleared in Hennepin (Plymouth) 11/8 ph. JfG. |
2014 | Winter | | | No reports. |
2015 | Spring | 1 | | All north 3/18 Lake (singing at three locations) SGW, 3/23 Lake (one of the 3/18 birds) SGW. |
2015 | Summer | | | No reports. |
2015 | Fall | | | No reports for the fifth of the last six autumns. |
2015 | Winter | | | No reports for the second straight winter, and third of the past six. |
2016 | Spring | 1 | | The only report was of one calling 4/17 Lake SGW, which was not refound on subsequent visits. |
2016 | Summer | | | No reports. |
2016 | Fall | 2 | | Two individuals: 11/3 St. Louis LME, 11/5 Cook JJS, JPr. These were the first north reports in fall since 2009. |
2016 | Winter | 3 | | Three reports, the first for the winter season since February 2013: 12/18 Itasca State Park CBC , 2/3 Lake (near Two Harbors; sick bird that later died) JWL, SLL, ph. JPR, 2/28 Cook ph. DLB. |
2017 | Spring | | | No reports. |
2017 | Summer | | | No reports. |
2017 | Fall | 1 | | Three individuals were banded at the H.R.N.R. in St. Louis between 11/5 and 11/19 AXm, ALx. |
2017 | Winter | 8 | 1 | In contrast to the paucity of reports in the previous four winters (five individuals total, and none in 2014 and 2015), there were many reports throughout this season, especially from St. Louis (most from various locations in the Duluth area and Sax-Zim Bog) and Lake (various locations near Lake Superior). Also reported from Aitkin, Cook (two locations), Crow Wing (two locations), Itasca, Roseau, and a new county record 2/10 Otter Tail †JsS. One south record: 1/5–8 Ramsey (Vadnais Lake) EzH, IsH, m.ob. |
2018 | Spring | 1 | | Irruption from the winter season lasted into the spring with all reports from St. Louis: 3/4 (Sax Zim Bog) ph. JDB, ACr, 3/11 (Chester Creek) JGz, 3/17 (Sax-Zim Bog) LNl. |
2018 | Summer | 1 | | Seen 6/9 St. Louis (found dead where it died, sitting on a branch in a spruce at Hawk Ridge) AXH. |
2018 | Fall | | | Â No reports. |
2018 | Winter | 1 | | Only one report: 12/31 Koochiching (Rainy Lake) ph. JMB. |
2019 | Spring | | | No reports. |
2019 | Summer | | | Â No reports. |
2019 | Fall | 1 | | Only report was of one banded at H.R.N.R. in St. Louis on 10/30. |
2019 | Winter | 2 | | Â Reported St. Louis: 12/8 (Cook) GWe, 1/3 (Sax-Zim Bog) JVe, 1/12 (Sturgeon River S.F.) ClN, m.ob., 1/28–2/21 (Sax-Zim Bog, Admiral Road feeding station) m.ob. Also reported 12/14 Cook (Grand Marais CBC). |
2020 | Spring | 1 | | The only report was of one calling 3/20 Cook (Gunflint Trail) JGW, ebd. |
2020 | Summer | | | No reports. |
2020 | Winter | 2 | | Four reports of five individuals: 2/3 Cook (near Tofte) fide JWL, 2/8 Cook (near Taconite Harbor) ASu, m.ob. (a second owl was reported later at this location JGW, REn, RLF), 2/9 Lake (Silver Bay) fide JWL, 2/13 Lake (Two Harbors) JWL, SLL. Except for 2012 and 2017, this species has been either unreported or very scarce in the winter season over the past decade. |
2021 | Spring | 1 | | Only north report 3/6 St. Louis (Sax-Zim Bog) EBr, AKz. |
2021 | Summer | | | No reports. |
2021 | Fall | | | No reports. |
2021 | Winter | 3 | | Three individuals: 12/25 Cook (Temperance River S.P.) ebd, 1/28 Lake (Two Harbors) ebd, 2/12–14 St. Louis (Duluth, Bagley Nature Area) m.ob. |
2022 | Spring | 4 | | All north 3/13–14 St. Louis (Chester Creek) KDN, JDx, ClN, 3/15 Koochiching (International Falls) KKs, 3/26 Lake EHi, 4/12 Cook (Superior N.F.) ebd. |
2022 | Summer | | | No reports. |
2022 | Fall | | | No reports. |
2022 | Winter | 1 | | No reports for the first winter since 2015. This species was reported in seven of the previous ten winters. |
  |
  | Rare permanent resident northeast; irruptive in winter mostly north. State designation: Special Concern. |