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
Families
Whistling-Ducks, Geese, Swans, Ducks
New World Quail
Partridge, Pheasants, Grouse, Turkeys
Grebes
Pigeons, Doves
Cuckoos
Nightjars
Swifts
Hummingbirds
Rails, Gallinules, Coots
Limpkin
Cranes
Stilts, Avocets
Plovers
Sandpipers
Jaegers
Alcids
Gulls, Terns
Loons
Shearwaters and Petrels
Storks
Frigatebirds
Boobies and Gannets
Cormorants
Pelicans
Bitterns, Herons, Egrets, Night-Herons
Ibises
New World Vultures
Osprey
Kites, Accipiters, Hawks, Eagles
Barn Owls
Screech-Owls, Owls
Kingfishers
Woodpeckers
Caracaras, Falcons
Flycatchers
Vireos
Shrikes
Jays, Nutcrackers, Magpies, Crows
Chickadees, Titmice
Larks
Martins, Swallows
Kinglets
Waxwings
Silky-flycatchers
Nuthatches
Creepers
Gnatcatchers
Wrens
Thrashers, Mockingbirds
Starlings
Dippers
Thrushes
Old World Flycatchers
Old World Sparrows
Pipits
Finches
Longspurs and Snow Buntings
Towhees, Sparrows
Yellow-breasted Chat
Blackbirds, Orioles
Warblers
Tanagers, Cardinals, Grosbeaks

Seasons
Species: Gulls, Terns
Black-legged Kittiwake
Ivory Gull
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Little Gull
Ross's Gull
Laughing Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
California Gull
Herring Gull
[Herring Gull (American)]
[Herring Gull (Vega)]
Iceland Gull
[Iceland Gull (Thayer's)]
[Iceland Gull (Kumlien's)]
[Iceland Gull (Iceland)]
Lesser Black-backed Gull
Slaty-backed Gull
Glaucous-winged Gull
Glaucous Gull
Glaucous Gull
[Herring Gull X Glaucous Gull]
Great Black-backed Gull
Least Tern
Gull-billed Tern
Caspian Tern
Black Tern
Common Tern
Arctic Tern
Forster's Tern
[Sterna tern]
[Royal Tern]
Sandwich Tern
Elegant Tern

Franklin's Gull(Leucophaeus pipixcan)
YearSeasonNS
1938SummerK. Carlander saw Gulls of this species on nests at Her­on Lake on June 3· He was unable to de­termine the contents of the nest.
1947Summer52 nests, 140 eggs, thought many other nests, too, Heron Lake, Jacobs.
1962SpringMany seen thoughout the southern and western parts of the state during spring. Most unusual record was on April 30 at Duluth, seen by Janet C. Green. (First record for Duluth?)
1962SummerJune 9, between Felton and Ulen, Clay Co., flying immatures seen, egg-shell fragments found, Avifaunal Club.
1962Falltwo late reports, Oct. 26, Martin Co., flock of 50-60 following plow, A. C. Rosenwinkel; Nov. 5, Mud Lake, Traverse Co., 5 seen, R. Grant.
1963SpringMarch 30, Salt Lake, (early) Avifaunal Club; April16, Swan Lake, Nicollet County, many, Brother Theodore.
1963Falllatest, Nov. 2, hundreds in plowed fields, Martin Co., R. L. Huber.
1964Spring3-20 Douglas Co, very early, MVS; 4-4 Albert Lea, RLH; 4-11 Swan Lake, RBJ; 4-15 Marshall Co, many thousand, DLO; 4-16 Lac qui Parle Co, ELC; 4-17 Stearns Co, RPR; 4-18 Wright Co, EC.
1964Fall11-7 Wright Co, EC; 11-7 McLeod and Lac qui Parle Co's, RBJ; 11-11 Waseca Co, 3, WPR, RG; 11-17 Jackson Co, many, FN.
1965Springearliest 4-6 McGregor, CEP.
1965Falllatest 10-27 Nobles Co, HSH and 11-6 McLeod Co, 10, RBJ.
1966Springearliest 3-15 Stearns Co, RPR; 3-19 Kandiyohi Co, RG; both very early records; 3-30 Nobles Co, HSH.
1966Summernested in Stearns Co; also reported from Lac qui Parle, Stevens, Pope, Wright, Carver, Blue Earth, Nobles, and Roseau Co's.
1966FallA spectacular movement through the greater Minneapolis-St. Paul area was witnessed by a dozen or more observers who saw many flocks passing by October 8; some of the flocks numbered into the hundreds and the total movement must have totaled thousands of birds; perhaps this movement is unprecedented in the Twin Cities? latest 10-22 Traverse Co., JAH; 10-23 Lyon Co., PE; 10-26 Wright Co., EC; 11-14 Nobles Co., HSH.
1967Springearly 4-1 La qui Parle Co., HFH; 4-4 Fargo-Moorhead fide EGA; 4-8 Traverse Co., JAH and Cottonwood Co., LAF.
1967Summerreported from Stevens, Traverse, McLeod, Big Stone, Lac qui Parle, Cottonwood, Pope, Nobles Co's.
1967Fall latest 11-9 Stevens Co., JAH; 11-11 Stearns Co., KE; 11-12 Nobles Co., HSH.
1968Spring early 3-22 Nobles Co., HSH; 3-31 Swift Co., JAH; 4-6 Kandiyohi Co., KE.
1968Summer nested in Todd, Clearwater Co's; also reported from Nobles, Sibley, Lyon, Beltrami (GES), Clay, Roseau, Pope, Carver, Douglas Co's.
1968Fall10-6 Carver FNI MAS; 10-23 Pope WH; 11-12 Douglas (Mary Lake) RBJ; 11-17 WatonwanDMF.
1969Spring4-5 Freeborn Co., BL; and Nobles Co., HSH; 5-8 (15) Hennepin Co., WKE; 5-24 (500+) Marshall Co., EIS.
1969Summerreported from Chippewa, Lac qui Parle, Traverse, Ottertail, Nobles, Pope, Stearns, Wilkin, Lincoln, Crow Wing, Kandiyohi, and Marshall Co's.
1969Fall8-23 Swift 300+ BAH; 10-2 Ottertail 500+ ETS; 10-13 Carver 300+ TH; 11-1 Lac qui Parle 1000 RG L; 11-1 Kandiyohi, Meeker and Chippewa RBJ; 11-11 Pope WH; 11-12 Lyon PE.
1970Springearly south 4-5 Wright BH and Lyon HK; 4-7 Nobles HH; peak 4-21 Watonwan (500) EK; early north 4-7 Marshall AR; 4-18 Morrison LR.
1970Summerreported from Marshall, Nobles, Stearns, Pope, Swift, Stevens, and Meeker Co's.
1970Falllate north 10·11 Polk MMC and Duluth )G; late south 10·16 Stearns MC; 10·22 Cottonwood FL; 11·9 to 77-25 Nobles HH;8-22 Pope (1000) BH; 1 0·1 Wright (1000) KE, RR.
1971Springearly south 3-14 Yellow Medicine HK (earliest date on record); 3-30 Nobles HH; 4-8 Wabasha WDM; early north 4-10 Marshall AR; 4-16 Clay LW; peak in May of 15,000 at Agassiz Refuge, Marshall Co., AR.
1971Summerno nests found but reported from 15 counties, east to Nicollet, Stearns and Clearwater.
1971Falllate south 11-15 Hennepin; 11-17 Pope; 11-27 Carver, J. Gilbert; late north 10·31 Ottertail; peak 10·18 and 11·23 Carver (5000) KH. . Bonaparte's Gull: early 8-16 Mille Lacs; 9-1 Duluth; late south 11-16 Hennepin; 11-21 Dakota; 11-27 Wright; late north 10-31 Grant; 11-7 Crow Wing.
1972Summerseen in Marshall, Clay Clearwater, Big Stone, Lac qui Parle, Pope, Swift, Jackson, Nobles, Meeker, Nicollet, McLeod (June & July); movement of young birds in late July. Forester's Tern: seen in Marshall, Clearwater, Big Stone, Pope, Swift, Nobles, Hennepin, Wright.
1973Summer Seen in 17 counties, including Crow Wing, Hennepin, Goodhue, St. Louis (6-7 Duluth JAB).
1973Fall Reported from 13 countries. Peak 9-2 Clay ( 12,000) (KBZ).
1974Spring Early south 3-30 Lyon HCK; 4-5 Lyon KE; 4-12 Chippewa CLH; early ' north 4-16 Marshall AR; 5-3 Clay LCF; peak 5-31 Marshall (25,000) AR.
1974Summer Nested in Marshall; also reported from 17 other counties.
1974Fall Late north 10-16 Clay LCF; 10-21 Marshall AR; late south 10-29 Cottonwood LF; 11-4 Hennepin PF; 11-9 Pope RBJ.
1975Spring Early south 3-20 Big Stone DWS; 4-5 Rock KE; 4-7 Murray ADK; early north 4-16 Marshall AR; 4-21 Clay LCF; 4-22 Clay SC; peak early May Marshall (20,000-30,000) AR.
1975Summer Nested in Marshall; also reported from 11 other counties east to Itasca and St. Louis (6-27, Duluth, B. Henspeter).
1975Falllate north 10·26 Grant DGW; 10-26 Clay LCF; late south 11-1 Carver (1000) JRG; 11-3 Jackson FKS; 11-19 Carver JRG.
1976Spring Early south 3-19 Lincoln LK; 3-25 Lyon HK; 3-27 Martin RBJ; early north 4-8 Marshall SV; 4-22 Becker MS; 4-23 Clay LCF.
1976Summerapparently nested at Duluth (details?) and Marshall (though the main colony at. Agassiz N. W. R. was abandoned by mid-June); also reported from 12 other coun~ies including Aitkin (up to 10 o!l Mille Lacs L. in late July, T. SavaloJa).
1976Fall Late north 9-19 Duluth, 10-9 Beltrami, 10-29 Mahnomen; late south 10-10 Sibley, 10-11 Murray, 10-30 Wright.
1977Spring Early south 3-26 Chippewa RJ; 3-27 Cottonwood ED; 4-3 Murray HK; early north 3-25 Otter Tail SM; 4-10 Marshall SVA; 4-11 Otter Tail GO; also reported from the SE 4-2 Houston RJ; very few reports.
1977Summer Nested in Lac qui Parle; also reported from 18 other counties east to Stearns and Nicollet; the formerly thriving nesting colony at Agassiz N.W.R. was again abandoned this summer.
1978Summer Breeding reported from Marshall; also seen in 21 other counties as far east as Beltrami, Todd, McLeod and Martin plus farther east in Anoka, and Duluth (6-11, 7-29, KRE).
1978Fall Late north 10-7 Marshall ANWR, 11-21 Douglas NJ; late south 10-20 Dakota JD (230), 11-5 Redwood CMB.
1979Spring (2000+). Early south 3-28 Lac qui Parle JS, 4-4 Big Stone SM; early north 4-7 Traverse GMO, 4-16 Marshall ANWR.
1979Summer Seen in Roseau, Marshall, Pennington, Becker, Clay, Otter Tail, Grant, Traverse, Stevens, Big Stone, Lac qui Parle, Kandiyohi, Lincoln, Lyon, Cottonwood, Jackson, Nicollet, Mille Lacs, St. Louis (6-2, two, Duluth, RBJ).
1979Fall Three reports from Duluth 8-1 JG, 8-8 OJ, 8-25 BL; late north 9-26 Pennington KSS, 10-24 Otter Tail WL; late south 11-3 Lyon HK, 11-6 Murray AD.
1980Spring Early south 4-5 Murray RJ, 4-11 Cottonwood RG, 4-12 Martin EB; early north 4-5 Marshall ANWR, 4-6 Otter Tail SM, GMO, 4-15 Pennington KSS.
1980Summer Breeding in Marshall, Todd; also seen throughout the western regions plus Nicollet, Kandiyohi, Stearns and Mille Lacs Lake (1 to 3 birds, JB).
1980Fall Reported from 21 counties; late north 10-18 Aitkin WN, 10-31 Otter Tail N. Jackson, 11-3 Grant NH; late south 11-2 Steele RJ, 11-8 Kandiyohi AT, 11-11 Nicollet JCF.
1981Spring Early south 3-14 Cottonwood LAF, 3-28 Le Sueur EK, 4-2 Blue Earth JCF, 4-5 Pipestone HK; early north 3-28 Otter Tail SM, 4-1 GMO, 4-2 Pennington KSS, 4-13 Marshall FDS.
1981Summer Breeding data from Todd (Lake Osakis), Marshall (15-20 nests, East Park WMA). Seen throughout the western regions plus Hennepin (6-6, OLJ).
1981Fall Reported from 36 counties including St. Louis where it is rare (KE, MH) 8-31. Late north 10-8 Pennington KSS, 10-15 Wilkin OJ, 10-19 Marshall JP; late south 10-31 Watonwan RJ, 11-6 Blue Earth JCF, 11-14 Carver RBA.
1982Spring Early south 3-21, 4-4 Dakota ES, 331 Blue Earth JCF, Redwood 3-31 RJ, 4-13 LJF, 4-15 Lyon HK; early north 3-29 Otter Tail SDM, 4-12 Pennington KSS, Marshall 4-12 ANWR, 4-17 JSP.
1982Summer Nesting at Agassiz NWR, Marshall Co. (very large colony). Scattered reports in the western and central regions, especially after mid-July. At Pine/Curry Is., Lake of the Woods Co. 5000 on 7/21 (JCG).
1982Fall Reports from 27 counties, late north 9/12 Crow Wing TS, 10/14 Red Lake KSS; late south 10/15 Nicollet JCF, 10/22 Cottonwood JEB, 10/31 Meeker AB, 11/6 Murray RJ.
1983Spring Early south 3/5 Lyon HK, 4/1 Olmsted JEB, Jackson KL, 4/2 Brown JSp, 4/13 Redwood JS, Dakota JD; early north 3/2 Clay (good details) TT, Marshall 4/12 ANWR, 4/15 KSS, 4/17 Wilkin SC. 200 reported 5/16 Aitkin WN.
1983Summer Nesting at Agassiz NWR (20,000 nests) and Heron Lake, Jackson Co. (JS). Scattered reports in the western and central regions plus Goodhue (four, 6/16).
1984Spring Early south 4/8 Lincoln, Lyon HK, Big Stone JPIAM, 4/14 Dakota JD, Nicollet JCF; early north 4/5 Marshall ANWR, 4/7 RJ, 4/8 SDM, 4/9 Ottertail GMO, 4/12 Pennington KL.
1984Summernested in Marshall; also seen in II other counties including Anoka.
1984Fall Reported from 16 counties; late north 10/18 Ottertail DB, OJ, Grand DB, 10/19 St. Louis MH, 10/21 KE, 10/28 Ottertail DS ; late south 10/24 Carver RJ, 10/29 Brown JSp, 10/31 Lyon HK, 11/3 Murray AD, Hennepin ES. Also reported from St. Louis 8/4 KE, 9/24 TT. Peak 9/30 Martin (5000 plus) KL.
1985Spring Early south 3/10 Houston JP/AM, 3/25 Hennepin SC, 4/8 Cottonwood LAF; early north 3/22 Wilkin GAM, 3/31 Clay LCF, 4/4 Marshall ANWR. Also reported from St. Louis 5/2 and 5/12 L. Erickson.
1985Summer Nested at North Heron Lake, Jackson Co. (approx. 100 nests, WT). Also seen in seven counties in the northwest region plus Lake of the Woods, Todd, Sibley, Lincoln.
1985Fall Reported from 17 counties. Late north 9/2 Otter Tail DS, 9/29 Clay LCF, 10/13 Mille Lacs ES; late south 10/20 Chippewa AB, 10/26 Cottonwood LAF, Blue Earth RJ and Lac qui Parle BL, 11/1 Hennepin PF.
1986Spring Early south 4/1 Cottonwood Ed, Lyon RG, 4/2 Blue Earth JCF, 4/4 Chisago BDC; early north 3/29 Marshall ANWR, 3/31 Clay LCF, Norman BK, 4/1 Grant SDM. Also reported 5/15 St. Louis D. Green.
1986Summer Nested at North Heron Lake, Jackson Co. (approx. 5000 nests, JS). Also seen in six counties in the northwest region plus Lake of the Woods, Pope, Yellow Medicine, Faribault, Nicollet, Wright, Duluth (6/ll, one, RJ).
1986Fall Late north 10/6 Polk DS, 10/17 Wilkin TI, 10/25 Grant AB; late south 10/1 Faribault (10,000) JF and Hennepin OJ, 10/2 Waseca ( 1000s) RJ, 10/25 Pope AB.
1987Spring Early south 3/7 Dakota RG, 4/10 Pipestone JP, 4/11 Lincoln AB, 4/12 Murray HK; early Winter 1987 north 4/5 Marshall ANWR, 4/17 Wilkin SC anc Clay LCF, 4/29 Clearwater MM and Roseau GS.
1987Summer Seen in nine counties throughout the westem regions plus Lake of the Woods (2000 on 7/6 at Pine and Curry Is., KH), Beltrami, Clearwater, Todd.
1987Fall Late north 9/6 St. Louis TM, 9/19 Lake of the Woods TT, 10/30 Douglas RG; late south 10/17 Chippewa RJ, 10/23 Cottonwood BF, 11/11 Nicollet JF.
1988Spring Early south 3/22 Pipestone JP, 3/25 Nicollet JF, 3/26 Goodhue KR and Murray RJ; early north 4/7 Marshall ANWR, 4/8 Pennington SKS, 4/23 Clay LCF.
1988Summer One thousand + nests at Thief Lake W.M.A., Marshall Co. (JB). Seen in nine other western counties plus Lake of the Woods, Crow Wing, Todd, Goodhue (7/25, BL).
1988Fall Late north 9/16 Todd PH, 9/25 Clay LCF, 10/14 Duluth KE; late south 10/26 Steele, WasecaAP, 11/4 Murray JP, 11/10 Steele EK.
1989Spring Early south 3/24 Dakota RJ, 3/28 Pipestone JP, 4/1 Goodhue BL and Nobles KE; early north 4/3 Otter Tail SDM, 4/16 Pennington SKS.
1989Summer Nested at Agassiz NWR, Marshall Co. I 0- 15,000 adults, JBoe. Seen in ten other westem counties plus Lake of the Woods, Beltrami, Clearwater, 6/1 Goodhue AP. One bird 6/12 Thielke Lake, Big Stone Co. (The Loon 61:149-150).
1989Fall Late north 9/21 Todd AB, 9/24 Aitkin WN, 10/23 Otter Tail DS; late south 11/4 Sibley RJ, ll/10 Freeborn AB, 11/11 Waseca AP.
1990Spring Early south 3/11 Blue Earth JCF and Murray ND, 3/24 Goodhue BL, 3/31 Lyon HK; early north 4/13 Otter Tail SDM and Wilkin RJ, 4/14 Marshall AB.
1990Summer Seen in Roseau, Lake of the Woods, Marshall , Beltrami, Pennington, Clearwater, Otter Tail, Pipestone, Nobles, Blue Earth, 6/3 Winona, 6/8 St. Louis PS.
1990Fall Late north 10/21 Clay MO, 10/24 Grant AB; late south 10/17 Wabasha RJ, 10/24 Stevens AB, 1/17 Carver RG.
1991Spring Early south 3/30 Rice FKS, 4/6 Rock RG, RJ, 4/11 Murray ND; early north 4/6 Norman MO, 4/14 Pennington KSS, 4/17 Marshall RJ and Wilkin SDM.
1991Summer Seen in 13 counties in all regions except northeast and southeast.
1991Fall Late north 10/1 St. Louis KE, 10/6 Aitkin WN, 10/13 Otter Tail MO; late south 10/24 Jackson LF, 10/27 Martin BBo, 10/30 Meeker AB.
1992Spring Early south 3/24 Winona CS, 4/4 Lincoln PB, KR, PS, 4/6 Big Stone RJ; early north 4/9 Otter Tail SDM, 4/13 Pennington RJ, 4/14 Marshall MCBS.
1992Summer Nested in Marshall; seen in 15 additional counties as far west as a line from Lake of the Woods to Hennepin to Cottonwood.
1992Fall Late north 9/26 Crow Wing WN, 10/1 Aitkin PS, 10/24 Otter Tail DC; late south 10/4 Anoka SC, 10/23 Brown JS and Chippewa AB, 10/24 Isanti DS and Jackson TL.
1993Spring Early south 3/27 Lac qui Parle KE, 4/10 Swift DO, 4/10 Pipestone RJ. Early north 4/12 Pennington KSS, 4/22 Roseau PS.
1993Summer Seen in 12 western counties plus Lake of the Woods, Beltrami, 7/27 Cook.
1993Fall Only reports north 9/18 St. Louis KE, 10/17 Todd KB; late south 10/17 Hennepin (200) SC, 10/24 Washington DS, 10/24 Rice AP.
1994Spring Early south 3/27 Anoka DB, 4/8 Pipestone JP, 4/9 Swift DO; early north 4/1 Otter Tail CS/KC, 4/14 Marshall KSS, 4/17 Wilkin SDM.
1994Summer Most reports in ten+ years. Seen in 13 western counties plus Lake of the Woods, St. Louis, Kandiyohi, McLeod, Brown, Goodhue, Freeborn.
1994Fall Late north 10/19 Kanabec AH, 10/21 Douglas RH, 11/12 Cook DJ. Late south 11/1 Swift AB, 11/12 McLeod RG, 11/13 Meeker RJ.
1995Spring Early south 3/21 Le Sueur RG, 3/25 Lyon HK, 3/30 Dakota PB; early north 4/15 Douglas SW, 4/19 Otter Tail SDM, 4/21 Polk MCBS, 5/16 Lake RG.
1995Summer No breeding reported (there is growing concern about the limited number, and vulnerability, of breeding colonies in Minnesota). Seen in 18 counties as far east as a line through Lake of the Woods, Todd, Le Sueur; 1000+ counted on 7/22 at a landfill in McLeod Co.
1995Fall Late north 10/10 Clay MN, 10/11 and 10/21 Douglas DN. Late south 11/2 Hennepin KB, 11/4 McLeod KB, 11/5–6 Martin BB, RJ.
1996Spring Early south 4/2 Rock ND and Dakota KB, 4/5 Pipestone JP. Early north 4/10 Polk SKS, 4/20 Otter Tail SDM and Wilkin WM.
1996Summer Nested in Marshall (over 20,000 nests observed by staff at Agassiz NWR fide SKS); seen in 13 additional southern counties plus Roseau, Grant.
1996Fall Late north 10/20 Cass and Itasca KB, PS, 11/11 Clay MRN, 11/17 Mille Lacs (1) KB. Late south 11/1 Mower RRK, 11/6 Le Sueur KB and McLeod RJ. Unusual reports 9/8 and 10/20–21 Duluth TW, KE. Peak count of 15,000 on 10/10 at Lake Waconia, Carver Co. KB.
1997Spring Early south 4/13 Watonwan TEB, 4/15 Cottonwood ED, 4/17 Blue Earth MF. Early north 4/20 Kittson PS and Otter Tail SDM. Unusual report 5/31 Duluth (1) BY et al.
1997Summer Observed in 15 counties as far east as a line through Lake of the Woods, Todd, McLeod, Jackson. Peak of 12,000 reported on 7/24 in Douglas KB.
1997Fall Late north 10/11 Clay RO, 10/18 Traverse WM. Late south 11/8 Chippewa ABo, 11/9 Olmsted CH, 11/18 Washington RJ. Unusual reports 8/9 Lake (1) DV and 9/29 Duluth, St. Louis Co. (7) MH. High counts 4,200 on 8/16 Douglas AH and 3,500 on 9/21 Big Stone LE.
1998Spring Early south 3/22 Dakota KB, 3/25 Murray ND, 3/26 Goodhue KB. Early north 4/5 Pennington PS, 4/13 Lake (adult) JLi, 4/26 Todd JSK/SDu. Unusual report 5/16–31 St. Louis (Duluth) mob.
1998Summer Observed in eight western counties plus Lake of the Woods, Beltrami, Meeker, Renville, Carver, Sibley.
1998Fall Unusual reports 8/22 Itasca (Lake Winnibigoshish) PS, 9/25 (adult) and 9/26–10/5 (first-winter) St. Louis (Duluth) mob. Late north 10/13 Polk KB, 11/7 Otter Tail DS, 11/8 Grant SDM. Late south 11/19 Jackson and Sibley KB, 11/26 Rice TBo. Peak count 9/25 Lyon (3,770) RgS. The massive displacement eastward that was detected along the Lower Great Lakes in mid-November (North American Birds 53:12–-19) did not materialize in Minnesota.
1998Winter Late south 12/1 Waseca KB, JD, and 12/5 Dakota SC, KB. First winter records.
1999Spring Early south 3/31 Dakota KB, followed by many reports in early April. Early north 4/4 Marshall JJ, 4/7 Polk KB. The recent median north arrival date is 4/6.
1999Summer Observed in ten western counties plus Lake of the Woods, Beltrami, Meeker, Carver.
1999Fall Singles reported from unusual locations 9/4 St. Louis (Duluth) PS, 9/15 Lake fide KE. Few other north reports, where last observed 10/15 Douglas RH. One with abnormal was pigmentation documented 8/7 Lincoln PC (The Loon 72:56). Many south reports into late October and early November; last reported 11/11 Lyon RgS, 11/29 Sibley (immature at the Gaylord lagoons) KB. An overwhelming 30,000 were estimated 9/27 Jackson (South Heron L.) AH.
2000Spring Reported from 17 south and 10 north counties. Early south 3/2 Jackson (adult, ties earliest date) KB, 4/1 Lincoln DN, 4/3 Meeker CMa. Early north 4/2 Traverse DN and Wilkin PBu, TT, 4/19 Polk EF. No significant counts and reported as scarce (RJ). One unusual location 5/20–21 St. Louis (Duluth) mob.
2000Summer Seen in 12 western counties plus Stearns, Kandiyohi, Meeker, McLeod, Carver, Dakota, Freeborn; also peak count 6/29 Lake of the Woods (4000+ at Pine-Currys Island) fide BAB.
2000Fall High count 9/15 in Douglas/Todd (19,300 on L. Osakis) KJB; additional concentrations of 2000–5000 in Big Stone, Freeborn, Meeker, and Waseca 9/8 – 10/9 (mob). Several north reports through mid-October, then 11/1 Otter Tail SDM. Also reported south in Dodge, Rice Steele, Waseca, and Yellow Medicine during November; latest 11/12 Rice JGL.
2001Spring Reported from 27 south and 12 north counties, and in all regions except Northeast. Arrived south 3/15 Dakota KJB, only March date. Early north 4/12 Grant SPM. No significant counts; numbers up in Hennepin (SLC).
2001Summer Observed in 11 western counties plus Lake of the Woods, Todd, Meeker, Hennepin, Le Sueur.
2001Fall Reported from 8 north and 30 south counties, none in Northeast and only Houston (8/1, JJS) in Southeast. High count 9/27 Freeborn (5000+) RBJ. Departed earlier than recent medians north (10/23) and south (11/7). Late north 10/18 Otter Tail DFN. Late south 11/1 Brown JSS.
2002Spring Seen in 21 south and 12 north counties, and all regions except Northeast. Early south 3/19 Freeborn AEB and Martin CRM, 3/28 Ramsey TAT. Early north 4/13 Polk EEF, 4/18 Otter Tail DTT, SMT. High count 5/29 Marshall (3800 at Agassiz N.W.R.) KJB.
2002Summer Seen in 11 western counties plus Cass, Kandiyohi, Meeker, Wright, McLeod.
2002Fall Reported from 11 north and 28 south counties, none in the Northeast and only Olmsted (9/19, PWP) in Southeast. High counts 8/1 Jackson (10,000 at North Heron L.) KBJ, 9/11 Stearns (2200) RPR. Late north 10/28 Clay RHO, only October report in north. Late south 11/11 Kandiyohi CRM, 11/18 Nobles RBJ, but also see winter report.
2002Winter Alternate adult reported 12/20–28 Washington and Dakota (Point Douglas) ph. KJB, DWT, †TEB, m.ob.
2003Spring Reported from only 13 south and 9 north counties. Early south 3/25 Dakota (H.P.B.C.) KJB; first south report away from H.P.B.C. 4/12 Le Sueur DPS. Early north 4/4 Grant SPM, DKM, 4/7 Otter Tail DTT, SMT. Unusual for the East-central was 183 tallied 4/15 Dakota (H.P.B.C.) KJB.
2003Summer Reported in nine western counties plus Stearns, Meeker, Blue Earth.
2003Fall Observed in 17 north and 22 south counties, but none in the Northeast or Southeast. Highest reported count 9/30 Stearns (800) BWF. Late north (median 10/23) 10/12 Douglas, Otter Tail, Todd, Wilkin. Late south (median 11/7) 10/29 Rice FVS, 11/22–11/29+ Dakota (Black Dog. L.,) m.obs., also see winter report.
2003Winter Adult lingered in the Twin Cities until 12/30 Dakota and Ramsey †KJB. Record late date.
2004Spring Reported from 16 south and 12 north counties, primarily in western regions. None at H.P.B.C. (190 there last spring) KJB; only eastern reports from Dakota beginning 4/15 JPM. Early south 3/28 Lac qui Parle BJU and Nobles KRE et al., 3/29 Stevens JEB, RBJ. Early north 4/2 Marshall (Agassiz N.W.R.) DMy, 4/11 Clay RHO.
2004Summer Reported from 17 counties throughout state except for eastern regions.
2004Fall Observed in 9 north and 21 south counties in all regions, including unusual location 9/8 St. Louis (Park Point, Duluth) †MTA, ph. PHS. Highest reported counts 10/2 Waseca (1500 at Clear L.) JPS, 10/13 Polk (1200 at landfill) PHS. Late north 11/3 Wilkin JEB, RBJ. Late south 11/11 Stearns RPR.
2005Spring Reported from 23 south and 7 north counties, primarily in western regions; none in North-central or Northeast, and only Dakota in East-central, Olmsted in Southeast. Early south 4/5 Stearns and Stevens LS, 4/6 Lyon KRE. Early north 4/15 Marshall (Agassiz N.W.R.) MA, 4/16 Wilkin DPS. No significant counts away from nesting colonies; reported as scarce RBJ.
2005Summer Seen in 19 counties in all regions of state except East-central, Southeast.
2005Fall Observed in 14 north and 29 south counties, none in Northeast and only Houston in Southeast. High count 10/8 Carver (1,100 on L. Waconia) WCM. Late north (median 10/23) 10/17 Otter Tail JEB, RBJ. Late south 11/27+ Dakota KJB and Hennepin BAF (also see winter report).
2005Winter All reports probably of same adult: 12/1 Dakota (Black Dog Lake) JPM, 12/3 Hennepin (Lake Calhoun) BAF, 12/4 Ramsey (Hardman Ave.) KJB.
2006Spring Reported from 18 south and 9 north counties, primarily in western regions; none in North-central or Northeast, and only Dakota in East-central, Olmsted in Southeast. Early south 3/28 Lac qui Parle (2) BJU, 4/1 Freeborn AEB and Lac qui Parle (3) BJU. Early north 4/6 Marshall (Agassiz N.W.R.) GT, 4/22 Marshall and Roseau JMJ, PHS. Highest reported counts 5/3 Lincoln (760) SLF, DBF, 5/9 Polk (800 at Glacial Ridge N.W.R.) RPR et al.
2006Summer Reported from 27 counties including all western and central regions, plus 6/1 Duluth †PHS.
2006Fall Observed in 13 north and 36 south counties, none in Northeast and only Goodhue in Southeast. High counts from single locations 9/24 Meeker (8,000 at Lake Ripley) DMF, 9/26 Lac qui Parle (8,100 at Marsh Lake) BJU; a total of 25,310 was reported to be in Lac qui Parle on the 26th, mostly on large lakes BJU. Late north 10/29 Clay (3) PBB, 10/30 Traverse BJU (median 10/23). Late south 11/4 in three counties, 11/6 Steele NFT (median 11/11).
2007Spring727 Early south 3/13 Olmsted LAV, JWH and Washington BRL. Early north 4/14 Clay RHO. No reports from North-central or Northeast. No significant high counts.
2007Summer918 Reported from all regions of the state except East-central. Unusual location 6/12 St. Louis (Hearding Island, Duluth) †PHS. High count 7/22 Sibley (300, Gaylord W.T.P.) JCC.
2007Fall1836 High counts 8/8 Jackson (11,000, South Heron L.) KJB, 9/21 Jackson (3,500) DAB, 10/6 Carver (3,440, L. Waconia) WCM. Several unusual reports from Duluth in St. Louis between 8/18 and 9/26 (†PHS, m.ob.). Late north 10/21 Todd RBW and Becker JMJ, then 11/17 (ties second latest north) St. Louis DPG. Late south 10/30 Lac qui Parle BJU and Wright DPG, 11/3 Kandiyohi DPG.
2008Spring1628 Early south (median 3/24) 3/25 Dakota ADS, 3/29 Nobles (9, Lake Okabeena) m.ob. and Swift (2) JCC. Early north (median 4/6) 4/14 Marshall (Agassiz N.W.R.) GT, 4/16 Polk NGE. One Northeast report 5/29 St. Louis (Duluth Harbor) †PHS. High count 5/11 Red Lake (200) JMJ.
2008Summer516 Reported from all regions except East-central. Two unusual reports from Duluth: 6/6 (2 adults in alternate plumage at Park Point) †PHS, 6/8 (adult with incomplete hood at Interstate Island W.M.A.) PHS. High count 7/31 Rock (500) AXH.
2008Fall1937 Record high count of 75,000 at Pelican Lake, Grant 10/1 BWF. Out of range was an imm. at Interstate Island W.M.A., St. Louis 9/17 †PHS. Late north 10/25 Clay (40) RHO, 11/1 Grant (5) DPG (median 10/24). Late south 11/11 Freeborn ARW, 11/16 Sibley DPG (median 11/11).
2009Spring928 Early south (median 3/25) 3/17 Lac qui Parle BJU, 3/20 Dakota ADS. Early north (median 4/6) 4/3 Marshall JMJ, 4/16 Marshall MA. High count 5/15 Nobles (200, Lake Okabena) DPG.
2009Summer710 Found in all western and central regions. Only reports from eastern regions: 7/18 (90), 7/24–25 (max. 2) Hennepin (Purgatory Creek R.A., Eden Prairie) SLC, BAF et al.
2009Fall1335 High count 10/17 Swift (2,000) DPG. Late north 10/31 Traverse DPG, 11/1 Douglas JPE (median 10/24). Late south 11/27 Freeborn and Waseca HHD, 11/30 Hennepin ChM (median 11/11), but also see winter report.
2009Winter4 First discovered 12/5 Hennepin (Lake Calhoun) DWK, a basic adult over-wintered through 2/28 and provided the first January and February records for the state. It was also well documented in Dakota (Black Dog Lake, Hastings Lock and Dam #2, and Pt. Douglas area), Scott (Blue Lake W.T.P.), and Washington (Pt. Douglas) †BAF, ph. TPB, m.ob. Amazingly, the bird traveled back and forth between Scott and Washington locations, a distance of 31 miles!
2010Spring1224 Probably the same individual that over-wintered in the Twin Cities area was observed 3/11 Dakota (Black Dog Lake) PEJ. Early south (median 3/25) 4/2 Dakota (2, Lake Byllesby) RTe, Lac qui Parle (3) BJU, 4/4 Steele (2) NFT. Early north 4/6 (median) Pennington JMJ and Polk NGE, 4/17 Douglas JPE. High count 5/7 Lac qui Parle (315, Big Stone N.W.R.) BJU. Northeast reports all from St. Louis: 4/23 ALo, 5/4 W.S.H.C. KJB, 5/17 (adult, Superior Entry) ph. PHS.
2010Summer515 Seen in all regions except Northeast, Southeast.
2010Fall1737 High count 10/3 Stearns (400) DAk. Late north 11/8 Crow Wing (Garrison) BJU, 11/13 Todd (2, Browerville W.T.P.) MJB (median 10/24). Late south 11/12 Carver (Assumption Lake) JCy and Nobles BTS, 11/14 Lincoln HHD and Steele RBW (median 11/11).
2010Winter
2011Spring1333 Early south (median 3/25) 3/18 Goodhue (Colvill Park) BAF, SHF, 3/19 Washington (Grey Cloud Island) BAF, SHF. Early north (median 4/6) 4/9 Douglas ARWm.ob., Grant, Traverse BJU, 4/10 Traverse HHD, LS. High count 4/22 Dakota (60, Lake Byllesby) ADS.
2011Summer515Seen in all western regions as well as Central and South-central.
2011Fall1243 High count 10/4 Wright (1,700 at Howard Lake) DPG. Late north 10/22 Douglas JPE and Otter Tail RZi, GLa, LS, 10/23 Otter Tail KRE et al. (median 10/24). Late south 11/13 Blue Earth AnK, ChH and Le Sueur (3) DAB, JWH, 11/17 Big Stone and Lac qui Parle BJU (median 11/11).
2011Winter3Well-documented adult first reported 12/4 Hennepin (Lake Calhoun, roosting with many Ring-billed Gulls) and subsequently found almost daily there and later into mid-January at various other Twin Cities locations including Lake Harriet and Long Meadow Lake (Hennepin), Kaposia Landing (Ramsey), and Black Dog Lake (Dakota) ph. †BAF, ph. †PEB, ph. †CMB, ph. †ACr, ph. RTe, ph. DAT, †MDu, †SBM, †MBS, †IHu, m.ob. Last reported 1/14 (Black Dog Lake, west end). This is only the second January record for Minnesota (the first was also an adult that overwintered through February at widely scattered Twin Cities locations winter 2009).
2012Spring1427 Individual observed 3/6 Goodhue (Prairie Island) GJM may be the adult seen in Dakota through mid-January. Additional south reports 3/11 Nobles (Fulda W.M.A.) BJU and Waseca HHD, 3/12 Big Stone (Otrey Twp.) BJU, 3/21 Blue Earth (Gilfillin Lake) RBW all before recent median 3/25. Early north (median 4/6) 3/17 Marshall (Warren) HHu, 4/5 Pennington RAE. High count 5/26 Carver (~100) JCy.
2012Summer919 Found in all western and central regions. High count 7/28 Grant (683, includes 644 in Lawrence/Stony Brook twps. at Ash Lake) PCC.
2012Fall1743 High count 9/15 Wright (est. 2,500, Albertville W.T.P.) DWK. Late north 11/9 Mille Lacs HHD, RAE and Traverse BJU, 11/24 Douglas JPE (median 10/24). Late south 11/17 Lac qui Parle, 11/18 Kandiyohi BJU (median 11/11).
2013Spring2045 Seen throughout the south beginning (median 3/25) 3/30 Brown (13) BTS, Goodhue (2) BRL, Winona (2) DBz, ANy. North reports predominantly from the western third of the state, but also 4/16–25 St. Louis (max. 2) ph. JLK, ph. †PHS, ph. AM, 4/30 Crow Wing CAB. The first north report away from St. Louis was 4/24 Otter Tail JsS, JSw. High counts 5/3 Polk (195, Erskine W.T.P.) PEB, 5/5 Marshall (150, Agassiz N.W.R.) DSm.
2013Summer918 Seen in all regions except Southeast.
2013Fall1543 High counts 10/15 Faribault (est. 500) CoN, 9/6 Meeker (480, Lake Washington) RMa. Late north 11/2 Grant CNn, 11/11 Otter Tail (3) JsS (median 10/24). Late south 11/16 Sibley (3, Winthrop W.T.P.) DWK, 11/17 Stevens DLP, 11/23 Chisago (East Rush Lake) JSa (median 11/11).
2014Spring1439Early south (median 3/25) 4/4 Winona ANy, DBz, then in Dakota (2 locations), Goodhue, Jackson, Nobles, Stevens on 4/6. Early north (median 4/6) 4/15 Traverse DLP, 4/18 Clay TCL, RHO, PBB, and also in Becker, Otter Tail and Wadena on 4/19. High counts 5/10 Cottonwood (200, Lake Talcot) DHr, 5/18 Nobles (200, Okabena Lake) JWu. All reports were south and west of a line from Winona to Stearns to Roseau, except for 5/14 Kanabec JEB.
2014Summer822Seen in all regions except North-central, Northeast, East-central. High count 7/27 Douglas (1,800 at Osakis W.T.P.) RHi.
2014Fall1842 High counts 9/23 Blue Earth (6,000) ChH, 8/16 Douglas (2,000, Osakis W.T.P.) MHo. Late north 10/23 Lake (Two Harbors, Agate Bay) ph. †ClN, Todd CRM, 10/24 Clay PBB, Grant HHD, St. Louis (Park Point R.A.; plumage markings identify this as the same individual seen in Lake the prior day) ClN, 10/31 Traverse DLP, 11/1 Clay (6) PBB, 11/7 Douglas BEc (median 10/24). Late south 11/6 McLeod PRH, Sibley (6, Gaylord W.T.P.) PEB, 11/7 Sibley ANy, CRM, 11/10 Lyon (4) GWe (median 11/11).
2015Spring1328 Most reports west of a line from Roseau to Goodhue. Early south (median 3/25) 3/14, 3/21 Lyon (max. 4) GWe, 3/16 Faribault WAF, 3/23 Rice DAB. Early north (median 4/6) 4/10 Douglas JPE, 4/13 Marshall GT, Polk JLg. High count 4/21 Lyon (124, Black Rush Lake W.P.A.) RJS.
2015Summer1224 Observed in all regions except Northeast, Southeast. High counts 7/25 Kandiyohi (1,000, Kandiyohi County Landfill) JWd, 7/25 Douglas (650, some immature birds, Osakis W.T.P.) AXH.
2015Fall1948 High count 8/11 Lyon (3,500, Cottonwood Lake; est. number of birds on an acre of the lake multiplied by the 3/5 acres of the lake) GWe. Late north 11/5–6 Mahnomen JJS, JPr, 11/7 Becker JMJ, 11/9, 11/15, 11/18 Grant (20) CNn (median 10/30). Late south 11/22 Blue Earth ChH, 11/22–26 Faribault (max. 3, Wells W.T.P.) CRM, JWH, but also see winter report (median 11/10).
2015Winter1 Reported 12/5–7 Goodhue (Lake Byllesby) ADS, KDS.
2016Spring1428 Early south (median 3/25) 3/26–27 Lyon GWe, 4/3 Yellow Medicine GWe, 4/5 Rice HCT. Early north (median 4/9) 4/10 Roseau JMJ, 4/14 Otter Tail KPe, 4/16 Polk MSp. High count 5/16 Brown (105, Sleepy Eye W.T.P.) KnM.
2016Summer1033 Observed in all regions except Northeast, Southeast. High counts 7/22 Martin (513, 50th Ave., Elm Creek) DAk, 7/24 Wright (500, Albertville W.T.P.) ToL.
2016Fall1945 High counts 9/15 Lyon (6,000, rough estimate at Black Rush Lake W.P.A.) GWe, 9/7 Jackson (4,135, Heron Lake W.M.A.) DAk. Late north 10/30 Polk (30) SAu, then only found in Grant where last reported 11/14 (60), 11/15 (40) CNn. Late south 11/20 Sibley DWK, 11/21 Faribault WAF, 11/22 Lyon (2) GWe (median 11/14).
2016Winter1 One report 12/4 Waseca (Janesville W.T.P.) RBW.
2017Spring1734 Early south (median 3/25) 3/8 Dakota (Black Dog Lake) RBJ, LiH, 3/11 Freeborn PEJ, 3/19 Dakota (Spring Lake P.R.) BDo, JWZ, ToL, PNi. Early north (median 4/9) 4/9 Douglas (13) BEc, 4/12 Crow Wing (3) JLA, 4/13 Douglas JPE, 4/16 Wilkin (6) WPl. High counts 5/5 Polk (700, conservative est. at County Fishing Park) REn, 5/3 Lyon (400, Sham Lake) GWe, 4/28 Lincoln (380, Perch Lake) JtH.
2017Summer1828 Observed in every region except Northeast, Southeast. High count 7/29 Sibley (2,500, Gaylord W.T.P.) RBJ.
2017Fall2550 High counts 9/29 Carver (6,600, Lake Waconia) WCM, 9/19 Lyon (5,800, Black Rush Lake W.P.A.) GWe, 9/6 Cottonwood (5,000, county landfill) ElR. Late north 11/5 Douglas (16, Osakis Stabilization Pond Loop) ToR, 11/7 Douglas (26, Laura Lake) BEc, 11/8 Grant (3) WPl (median 11/1). Late south 11/8 Carver WCM, RBJ, Freeborn DFe, Renville RBJ, Stearns RAE, 11/9 Jackson RAE (median 11/16).
2017Winter1 Presumed early migrants 2/26 Martin (2, Hwy. 15 south of Fairmont) ph. DAk. This is only the second February record; the first was an overwintering bird in the Twin Cities in winter 2009.
2018Spring2233 Early south (median 3/25) 3/24 Ramsey (2) BBr, 3/28 Hennepin JBs, 3/29 Rice TFB. Early north (median 4/9) 3/28 Grant EGa, 4/18 Clay TCL, 4/21 Grant (10) EGa, 4/22 Otter Tail GO, Polk (17, East Grand Forks) SAu, (2, Brandt-Angus Impoundment) JCJ. High counts 5/26 Lyon (108, Sham Lake) GWe, 5/19 Polk (94, Tilden Twp.) ebd.
2018Summer1631 Observed in all regions except Northeast, Southeast.
2018Fall2547 High counts 10/4 Carver (1,400, Lake Waconia) WCM, 10/2 Cottonwood (1,300, Dale Twp.) LHl. Late north 10/25 Grant NaH, 10/27 Douglas (2) CNn, Traverse (10) MaJ (median 11/1). Late south 11/12 Nobles BTS, 11/16 Washington CNC, 11/23–24 Wabasha LiH, ASu, m.ob. (median 11/16).
2019Spring1732 Early south (median 3/25) 3/20–23 Dakota BDo, m.ob., 3/23 Washington IVa, 3/25 Ramsey LiH. Early north (median 4/9) 4/15 Norman AxB, m.ob., Polk REn, 4/17 Clay (2) TCL. High counts 5/20 Marshall (5,000, Agassiz N.W.R.) DWK, 5/4 Marshall (900, Thief Lake) AxB, REn.
2019Summer1929 Observed In all regions except Southeast. Unusual locations 6/4 St. Louis (Park Point) †MLH, m.ob., 7/21 St. Louis (Cook W.T.P.) AKO.
2019Fall2547 High counts 10/7 Lyon (8,350, Rock Lake) GWe, 10/18 Lac qui Parle (4,500, Salt Lake) ebd. Late north 10/30 Otter Tail (10, Rothsay) MSb, 11/2 Otter Tail (15, C.R. 6) SDi, 11/4 Traverse WCM (median 11/1). Late south 11/9 Big Stone DLP, Lyon AaL, m.ob., Renville RAE, 11/10 Wright RBJ (median 11/18).
2020Spring1436 Early south (median 3/25) 3/30 Lyon (4) GWe, 3/31 Jackson (2) ASu, 4/3 Scott (2) PRH, m.ob. Early north (median 4/9) 4/1 Todd REn, RLF, 4/11 Otter Tail MO, 4/15 Clay (2) PBB, Grant (2) ToR. High counts 5/30 Marshall (1,200, Agassiz N.W.R., road east of headquarters) ebd, 5/4 Polk (500, C.R. 11, Crookston Twp.) SAu.
2020Summer1731 Reported from all regions. Unusual location and date 7/6 St. Louis (first-cycle, Park Point R.A.) †BEA. High count 7/29 Freeborn (1,500) PEJ.
2020Fall2349 High counts 9/26 Lincoln (6,000, Lake Hendricks) RJS, 8/15 Grant (5,400, North Ottawa Impoundment) ebd, m.ob. Late north 11/2 Douglas (4) LGl, 11/3 Grant (3, Bailey Slough) CNn, (5, Pine Ridge Park) CNn (median 11/1). Late south 11/19 Dakota PEJ, Lyon (3) GWe, 11/28 Waseca DBz (median 11/18).
2020Winter  No reports. Reported four of the previous ten years.
2021Spring2135 Early south (median 3/22) 3/20 Wabasha ASu, 3/22 Nobles ASu, 3/26 Dakota MwT. Early north (median 4/9) 4/5 Grant (5) JEc, ECl, 4/10 Todd MJB, 4/13 Carlton SC. High counts 5/21 Pennington (1,000, Thief River Falls W.T.P.) ebd, 5/29 Polk (1,000, Oak Lake) ebd.
2021Summer1937 Reported from all regions except Northeast. High counts 6/27 Lake of the Woods (1,500, Rocky Point Rd.) ASu, ebd, 7/27 Freeborn (1,500, Myre-Big Island S.P.) ebd.
2021Fall2350 High counts 10/9 Freeborn (5,700, Albert Lea Lake) PEJ, 10/23 Lyon (3,370, Lyons Twp.) GWe. Late north 11/6 Traverse (3, Arthur Twp.) REn, (150, Wheaton) REn, 11/13 Mille Lacs MAJ (median 11/3). Late south 11/19 Ramsey LiH, 11/20 Lyon GWe, Waseca JWH (median 11/18).
 
 Breeds locally west. Migrant throughout, but rare northeast. State designation: Special Concern.

Notes:

Click on the bird name to see a photographic image of the bird.
Column N  Number of counties where the bird was seen in the North.
Column S  Number of counties where the bird was seen in the South.