MOURC Proceedings Archive - Grebes Accepted
Duplicates
This is the 1981 to present Records Committee Proceedings archive for
The Loon, journal of the Minnesota Ornithologists' Union.
The last 2 years are available to MOU members.
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Proceedings
Species: Grebes
Western Grebe
Clark's Grebe

Clark's Grebe (R) (Aechmophorus clarkii)Start Date 1936-01-01
RefFirstLastLocationCounty23CommentStatus
58:421983-04-24Marsh LakeLac qui Parle(vote 3-4). Formerly considered just a race of the Western Grebe, the Clark's Grebe was recognized as a full species by the A. 0. U. in 1985. As a result of this decision, this record was submitted, which included brief field notes stating "that in one individual the black of the crown ended above the eye [i.e., indicating Clark's Grebe] and that on another nearby Western Grebe the black of the crown extended below the eye." It was unanimously agreed that the bird was probably Clark's, but the majority felt that for a first state record a more complete description was needed, especially noting the bill color (bright yellowishorange in Clark's, dull greenish-yellow in Western), which is said to be more diagnostic than the extent of the black cap. Not Accepted
57:1341985indexClark's Grebe Reported Seen in Minnesota
58:109-1111986indexMinnesota Records of Clark's Grebe
58:112-1161986indexIdentification and Distribution of Clark's Grebe
158:1461986-05-10Ash L.Grantvote 10-0; The Loon 58:110). Another potential first state record with all ten members voting. Accepted
avian
information
1986-05-10Grant5/10 Grant (first county record)
5/10 Grant TRF, first Minnesota record for this new species. (The Loon 58:110).
59:571986-05-23Lake OsakisTodd(vote 4-3, with 7-0 required for Acceptance). This sight record (see The Loon 58:110-111) was described by Clark's Grebe expert John Ratti as "probably" a Clark's Grebe with "abnormal coloration" that he had never seen before ; he also stated that " it could be a hybrid ." The minority felt, therefore, that while the individual may have been a Clark's, the possibility of it being a hybrid still existed, and that for such an unusual species (only one accepted state record) only fully typical Clark's Grebes should be accepted for the time being. Not Accepted
59:1021987indexClark's Grebe in Minnesota
59:210-2111987indexA Clark's Grebe in Duluth
259:1431987-05-02Heron L. Jackson(vote 7-0; The Loon 59:102). Accepted
avian
information
1987-05-02Jackson5/2 Jackson (first county record)
5/2 Heron Lake, Jackson, B. Pieper, D. Ruhme (The Loon 57:102). 5/7 Duluth M. Hendrickson, KE et al. (The Loon 59:210- 211 ).
360:131987-05-07Duluth St. Louis(vote 7-0; The Loon 59:210-211). Accepted
avian
information
1987-05-07St. Louis5/7 St. Louis (first county record)
5/2 Heron Lake, Jackson, B. Pieper, D. Ruhme (The Loon 57:102). 5/7 Duluth M. Hendrickson, KE et al. (The Loon 59:210- 211 ).
61:99-1081989indexIdentification and Status of Clark's Grebe in Minnesota
61:150-1511989indexClark's Grebe in Clay County
62:121989-04-29Big Stone L. Big Stone(vote 2-5). Although the "bright yellow" bill and "considerably paler" flanks were carefu lly noted in direct comparison with Western Grebes, this grebe had an intermediate facial pattern of the eyes "bisected by the black cap" and "white" !ores. Because of this facial pattern , the majority (as well as the observer himself) fe lt this was enough uncertainty to preclude acceptance as a definite Clark's Grebe. However, this and other Clark's Grebe records may be reconsidered in the future as more is learned about this species' status and identification. Not Accepted
461:1211989-05-22MoorheadClay(vote 7-0; The Loon 61:150-151). Accepted
avian
information
1989-05-22Clay5/22 Clay (first county record)
Only report: 5/22 Moorhead, Clay Co. LCF (The Loon 61:150-151).
avian
information
1989-07-121989-07-19Stevens7/12-19 Stevens (first county record)
63:194-1961991indexNotes on a Clark's Grebe at Thielke Lake
63:220-2251991indexPossible Clark's Grebe Breeding Record in Minnesota
563:1541991-06-08Thielke LakeBig Stone(vote 7-0; The Loon 63:194196). Accepted
664:151991-07-271991-08-10Lake TraverseTraverse(vote 7-0; The Loon 63:220-224). Accepted
avian
information
1991-07-28Traverse7/28 Traverse (first county record)
One individual observed on 6/8 in Big Stone PS et al. (The Loon 63:194-196); two adults with two young on 7/27-30 at Lake Traverse, Traverse Co. KE et al. (The Loon 63:220-225).
64:1631992indexClark's Grebe in Kandiyohi County
64:1741992indexClark's Grebe in Jackson County
64:2331992indexAnother Clark's Grebe Seen in Western Minnesota
765:331992-05-03South Heron LakeJackson(vote 7-0; The Loon 64:174). Accepted
avian
information
1992-05-03Jackson5/3 Jackson (second county record)
Seventh state record. 5/3 Jackson AB (The Loon 64:174).
865:331992-06-251992-06-29Diamond LakeKandiyohi(vote 7-0; The Loon 64:163). Accepted
avian
information
1992-06-251992-06-29Kandiyohi6/25-29 Kandiyohi (first county record)
One discovered among Western Grebes on 6/25 at Diamond L., Kandiyohi Co. RJ, RG (The Loon 64:163).
965:331992-08-211992-08-22Lone Tree LakeYellow Medicine(vote 7-0; The Loon 64:233). Accepted
avian
information
1992-08-211992-08-23Yellow Medicine8/21-23 Yellow Medicine (first county record)
Reported 8/21–23 Yellow Medicine KE, mob.
65:151-1521993indexClark's Grebe in Traverse County
1065:1461993-05-01L. TraverseTraverse(vote 7-0; The Loon 65:151-152). Accepted
66:1061994indexClark's Grebe Found in Lac Qui Parle County
66:154-1551994indexClark's Grebe at Lake Traverse
66:2081994indexPossible Breeding for Clark's Grebes in Minnesota
1166:1271994-04-16Lac Qui Parle LakeLac qui Parle(The Loon 66:106). Accepted
1267:451994-04-30Lake TraverseTraverse(The Loon 66:154-155). Accepted
1367:451994-05-12Thielke LakeBig StoneAccepted
1467:451994-07-091994-07-16Minnesota LakeFaribault(The Loon 66:208). Accepted
avian
information
1994-07-091994-07-22Faribault7/9-22 Faribault (first county record)
Nested at Minnesota Lake in Faribault RJ, AH et al. (The Loon 66:208); this species has been reported for four consecutive summers and may prove to be regular in the state.
67:1871995indexClark's Grebe at Agassiz National Wildlife Refuge
67:2521995indexAnother Clark's Grebe Record in Western Minnesota
1568:581995-07-15Agassiz N.W.RMarshall(The Loon 67: 187). Accepted
avian
information
1995-08-05Marshall8/5 Marshall (first county record)
Reported 8/19 Timm Lake, Yellow Medicine Co. (1) KE et al. (The Loon 67:252). Two birds first found in July were rediscovered in early August at Agassiz N.W.R., Marshall Co. DBM.
1668:1641995-08-11Agassiz National Wildlife RefugeMarshallAccepted
1768:581995-08-19Timm LakeYellow Medicine(The Loon 67:252). Accepted
avian
information
1995-08-191995-08-25Yellow Medicine8/19-25 Yellow Medicine (second county record)
Reported 8/19 Timm Lake, Yellow Medicine Co. (1) KE et al. (The Loon 67:252). Two birds first found in July were rediscovered in early August at Agassiz N.W.R., Marshall Co. DBM.
68:174-1751996indexClark's Grebe
1868:1641996-05-04Myre-Big Island State ParkFreeborn(The Loon 68:174–175). Accepted
avian
information
1996-05-04Freeborn5/4 Freeborn (first county record)
Only report: 5/4 Freeborn DN (The Loon 68:174–175).
1969:281996-08-18Clear LakeStevens Accepted
avian
information
1996-08-18Stevens8/18 Stevens (second county record)
Three records of five individuals: 8/18 Clear Lake, Stevens (1) KE et al., 9/8 Minnesota Lake, Faribault (2) PeP et al., 10/4 Lake Traverse, Traverse (2) SKS.
2069:281996-09-08Minnesota LakeFaribault(recirculated record). Accepted
2169:1521996-10-04Lake TraverseTraverse(record #97–04, vote 6–1). Accepted
avian
information
1996-10-04Traverse10/4 Traverse (second county record)
Three records of five individuals: 8/18 Clear Lake, Stevens (1) KE et al., 9/8 Minnesota Lake, Faribault (2) PeP et al., 10/4 Lake Traverse, Traverse (2) SKS.
2270:441997-05-25Thielke LakeBig Stone(record #97–47, vote 7–0). Accepted
2370:441997-07-011997-07-13Lake OsakisTodd(record #97–54, vote 7–0, The Loon 69:225–226). Accepted
2470:1561998-05-081998-05-10Boon L.Renville(record #98-44, vote 7–0). Accepted
avian
information
1998-05-10Renville5/10 Renville (first county record)
Only report: 5/8–10 Renville (Boon Lake) KE et al.
2570:1561998-06-15L. OsakisTodd(record #98-62, vote 7–0). Accepted
2671:361998-08-16Thielke L.Big Stone(record #98–76, vote 7–0). Accepted
avian
information
1999-04-09Traverse4/9 Traverse (third county record)
One report 4/9 (record early date) Traverse (L. Traverse) CMa. [Corrected]
avian
information
1999-06-121999-06-29Meeker6/12-29 Meeker (first county record)
Two reports: 6/6–18 Big Stone (Thielke L.) PS et al. and 6/12,29 Meeker (Long L.) DF.
avian
information
2000-06-192000-06-28Sibley6/19-28 Sibley (first county record)
Record high number of reports. Hybrid pairing involving Western Grebe suspected at two locations: Big Stone (Thielke L., also see spring report) †PCC, †KJB et al., and 6/24–7/3 Nicollet (Swan L.) †CRM, MJF. Single adults also reported 6/19–28 Sibley (Swan L. — note that this is a different lake than the one in Nicollet) †CRM et al., 7/10–30+ Lyon (Section L.) †CRM et al., 7/23 Douglas (L. Osakis) †KRE.
avian
information
2000-06-242000-07-03Nicollet6/24-7/3 Nicollet (first county record)
Record high number of reports. Hybrid pairing involving Western Grebe suspected at two locations: Big Stone (Thielke L., also see spring report) †PCC, †KJB et al., and 6/24–7/3 Nicollet (Swan L.) †CRM, MJF. Single adults also reported 6/19–28 Sibley (Swan L. — note that this is a different lake than the one in Nicollet) †CRM et al., 7/10–30+ Lyon (Section L.) †CRM et al., 7/23 Douglas (L. Osakis) †KRE.
avian
information
2000-07-102000-07-30Lyon7/10, 7/15-30 Lyon (first county record)
Record high number of reports. Hybrid pairing involving Western Grebe suspected at two locations: Big Stone (Thielke L., also see spring report) †PCC, †KJB et al., and 6/24–7/3 Nicollet (Swan L.) †CRM, MJF. Single adults also reported 6/19–28 Sibley (Swan L. — note that this is a different lake than the one in Nicollet) †CRM et al., 7/10–30+ Lyon (Section L.) †CRM et al., 7/23 Douglas (L. Osakis) †KRE.
avian
information
2000-09-11Lyon9/11 Lyon (second fall record)
At least one adult was still present 8/6 (†RBJ), 8/8 (†KJB, †SLC), and 8/19 (CRM) at Thielke Lake in Big Stone County, where interbreeding with a Western Grebe suspected (see summer report). Also seen 9/12 Marshall (Agassiz NWR) †RBJ.
avian
information
2000-09-12Marshall9/12 Marshall (second fall record)
At least one adult was still present 8/6 (†RBJ), 8/8 (†KJB, †SLC), and 8/19 (CRM) at Thielke Lake in Big Stone County, where interbreeding with a Western Grebe suspected (see summer report). Also seen 9/12 Marshall (Agassiz NWR) †RBJ.
avian
information
2001-04-092001-04-25Hennepin4/9-25 Hennepin (first county record)
One photographed at Coon Rapids Dam tied the earliest arrival date for the state 4/9–25 Hennepin †OLJ et al.; also reported without details from the Anoka County side. All other reports: 4/27 (second earliest north) Marshall (ANWR) †KJB, 4/28 Meeker (Long L.) †DDM, BJM, 5/5 Renville (Boon L.) †DMF.
avian
information
2001-04-28Meeker4/28 Meeker (second county record)
One photographed at Coon Rapids Dam tied the earliest arrival date for the state 4/9–25 Hennepin †OLJ et al.; also reported without details from the Anoka County side. All other reports: 4/27 (second earliest north) Marshall (ANWR) †KJB, 4/28 Meeker (Long L.) †DDM, BJM, 5/5 Renville (Boon L.) †DMF.
avian
information
2001-05-05Renville5/5 Renville (second county record)
One photographed at Coon Rapids Dam tied the earliest arrival date for the state 4/9–25 Hennepin †OLJ et al.; also reported without details from the Anoka County side. All other reports: 4/27 (second earliest north) Marshall (ANWR) †KJB, 4/28 Meeker (Long L.) †DDM, BJM, 5/5 Renville (Boon L.) †DMF.
avian
information
2002-07-042002-07-15Meeker7/4-15 Meeker (third county record)
Observed 7/14 Big Stone (2 adults at Thielke L.) †PCC, †PHS. At this location in August, two young chicks were observed with one adult Clark's; it was likely that at least one parent was a Clark's. Also reported 7/4 and 7/15 Meeker (Long L.) †DMF, CBe.
avian
information
2003-05-12Dakota5/12 Dakota (first county record)
All reports: 4/27+ Big Stone (Thielke L.) †PHS, †BJU, m.ob., 5/12 Dakota (L. Byllesby) †BRL, †ADS, †JPM, m.ob., 5/30 Marshall (Agassiz N.W.R.) †PLJ.
avian
information
2006-04-21Kandiyohi4/21 Kandiyohi (second county record)
All documented reports: 4/17+ Big Stone (Thielke L.) †BJU, 5/21 Douglas (L. Osakis) †DBz et al., 5/28 Lac qui Parle (S. Rockwell L.) †PHS.
avian
information
2006-06-06Redwood6/6 Redwood (first county record)
All reports: 6/6 Redwood/Yellow Medicine (Timm Lake) †BJU and throughout the season in Big Stone (Thielke Lake) ph. †PBB. At the latter location, one or two adult Clark's (one showed signs of possible hybridization GLN fide PBB) each associated with an adult Western Grebe instead of with one another, and their chicks looked identical to Western Grebe chicks.
avian
information
2006-09-16Stevens9/16 Stevens (third county record)
Reported 8/30–9/4 Big Stone (ad. with 2 probable hybrid young still present at Thielke L.) ph. BJU. Also see undocumented reports.
avian
information
2007-06-222007-06-27Martin6/22-27 Martin (first county record)
Seen 6/22–27 Martin (Pierce Lake) MCBS, †SPS, 7/21 Todd (Lake Osakis) JCC, LS.
avian
information
2008-05-17Blue Earth5/17 Blue Earth (first county record)
All reports: 4/23–5/4 Douglas/Todd (max. 4 on Lake Osakis) MJB, KRE et al., 5/5 Big Stone (Thielke Lake) KRE, 5/17 Blue Earth (2 at Indian Lake W.M.A.) ChH, †RMD.
avian
information
2009-04-22Meeker4/22 Meeker (fourth county record)
All documented reports: 4/22 Meeker (Lake Ripley) †DMF, 5/11–12 Anoka (Lake George, second county record) †DWK, KLF.
avian
information
2009-05-11Anoka5/11 Anoka (first county record)
All documented reports: 4/22 Meeker (Lake Ripley) †DMF, 5/11–12 Anoka (Lake George, second county record) †DWK, KLF.
avian
information
2010-06-10Lac qui Parle6/10 Lac qui Parle (first county record)
Found 6/10 Lac qui Parle BJU, 6/18 Big Stone RMD, 7/3, 7/17, 7/25 Stevens (2, hybrid pairing with Western Grebe, feeding two chicks, Gorder Lake) †DBM, AXH, LS.
avian
information
2010-07-032010-07-25Stevens7/3, 17, 25 Stevens (fourth county record)
Found 6/10 Lac qui Parle BJU, 6/18 Big Stone RMD, 7/3, 7/17, 7/25 Stevens (2, hybrid pairing with Western Grebe, feeding two chicks, Gorder Lake) †DBM, AXH, LS.
avian
information
2011-05-07Nicollet5/7 Nicollet (second county record)
Only report 5/7 Nicollet (Oak Leaf Lake) KRE, m.ob.
avian
information
2011-06-12Lac qui Parle6/12 Lac qui Parle (second county record)
Reported 6/12 Lac qui Parle (Pegg Lake) ph. BJU, 6/27 Douglas (Lake Osakis) RHi.
avian
information
2011-08-01Lac qui Parle8/1 Lac qui Parle (third county record)
Only report 8/1 Lac qui Parle (Pegg Lake; first seen in June) †BJU.
avian
information
2012-05-20Lac qui Parle5/20 Lac qui Parle (fourth county record)
One reported 5/20 in Lac qui Parle ph. BJU.
avian
information
2012-08-11Todd8/11 Todd (first county record)
All reports: 8/5 Douglas (Lake Osakis, adult with flightless juvenile, second parent unknown; though seen in Douglas, almost all grebe nesting habitat is on the Todd side of this lake) †AXH, 8/11 Todd (Lake Osakis, possible hybrid) †DBM. [Corrected]
avian
information
2012-08-28Traverse8/28 Traverse (fourth county record)
All reports: 8/5 Douglas (Lake Osakis, adult with flightless juvenile, second parent unknown; though seen in Douglas, almost all grebe nesting habitat is on the Todd side of this lake) †AXH, 8/11 Todd (Lake Osakis, possible hybrid) †DBM. [Corrected]
avian
information
2015-04-30Kittson4/30 Kittson (first county record)
All reports: 4/30 Kittson (Karlstad W.T.P.) †HHD, †RAE, ph. †JMJ, 5/2 Todd (Lake Osakis) †JLK, 5/14 Douglas (Lake Osakis) ph. †MTh.
avian
information
2015-12-07Lake12/7 Lake (first county record)
One record: 12/7 Lake. A grounded individual was found by a motorist on the shoulder of C.R. 2 north of Two Harbors and about 3.7 miles northwest of Lake Superior. It was rescued by two DNR employees, Nancy Hansen and Bailey Petersen, and taken to Wildwoods Wildlife Rehabilitation in Duluth, where it was photographed by staff, determined to be uninjured, and then released in Lake Superior on 12/8 (fide AXH, KRE). This is the latest date for the state by over two months (prior late date 4 October 1996), and is only the second record for any of the North Shore counties (the other was 5/7/1987, Duluth).
avian
information
2017-08-19Todd8/19 Todd (second fall record)
One report: 8/19 Todd (1, Lake Osakis, Battle Point Park, no details) ToL. 
avian
information
2019-05-042019-05-05Waseca5/4, 5 Waseca (first county record)
All reports: 5/4–5 Waseca (adult male, based on necropsy at the Bell Musuem; Loon Lake) ph. TFe, ph. † KEm, m.ob., 5/12 Todd (Lake Osakis) † JLK.
avian
information
2022-05-16Watonwan5/16 Watonwan (first county record)
One south report 5/16 Watonwan (320th Street wetland near Madelia, in the company of 3 Western Grebes) †ChH, AnK, ph. †LBa, m.ob.
avian
information
2022-06-292022-07-06Hennepin6/29, 30, 7/1, 2, 3, 4, 5, 6 Hennepin (second county record)
Second county record 6/29 – 7/6 Hennepin (Westwood Hills N.C.) †JSz, ph. †LBa, ph. TBu, m.ob.
 
 Rare migrant, mostly west. A few breeding records, all possibly involving hybrid pairings with Western Grebe (A. occidentalis).

Notes:

The information in the above table comes from several different sources. The count in column 1 indicates which of the sources is considered the primary source.
'Accepted' MOURC entries from The MOURC Proceedings
'Not Accepted' or 'Rejected' MOURC entry from The MOURC Proceedings
Accepted MOU records assembled by David Cahlander
Sighting records for ()
Avian information from the occurrence maps, in dark red, assembled by Robert Janssen. Seasonal report for the species/season published in The Loon or The Flicker has been added.
Information from The Loon index assembled by Anthony Hertzel and David Cahlander