| Red-breasted Merganser(Mergus serrator) |
| - - - Spring - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 1,447 | 2013-05-20 | St. Louis County, Duluth--Park Point,46.73057,-92.05238 | Bardon | state high count, all on bay during NE gale with rain |
| 926 | 2024-05-01 | St. Louis County, Lester River Mouth,46.8373853,-92.0063138 | McLaughlin | all SW. count by 1s with a few on the water at end of count. |
| 500 | 1979-04-14 | Rice County, Cannon Lake | Janssen | |
| 428 | 2020-04-20 | St. Louis County, WSHC--Enger Tower,46.7741863,-92.1238160 | Nicoletti | |
| 420 | 2008-04-18 | Ramsey County | Sparling | Lake Phalen |
| 375 | 2020-05-13 | St. Louis County, Park Point--Park Point Recreation Area,46.7311691,-92.0523620 | Martineau | |
| 300 | 1978-04-11 | Hennepin County, Lake Calhoun, Minneapolis | Janssen | |
| 248 | 2015-05-18 | St. Louis County, North Shore, etc.,46.9267915,-91.8241918 | Bardon | |
| 246 | 2015-04-11 | Hennepin County | Brunell | 159 on Harriet, 87 on Calhoun |
| 230 | 1994-04-07 | Hennepin County | Budde | 230 |
| 229 | 2010-05-14 | St. Louis County | Svingen | Flock of 83 on Minnesota side of Superior Entry, plus 146 at Park Point, Duluth |
| 138 | 2009-04-11 | Hennepin County | Brunell | Lake Calhoun, Mpls. |
| - - - Summer - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 147 | 2013-06-02 | St. Louis County | Svingen | Park Point, Duluth. Seen with JLK. Unusual number for this time of year, but und |
| 46 | 2006-07-12 | Crow Wing County | Orf | Garrison |
| 18 | 2023-07-22 | St. Louis County, Stony Point,46.9245458,-91.8176841 | McLaughlin | |
| 13 | 2014-07-23 | Lake County, Two Harbors--Lighthouse Point,47.013662,-91.6639915 | Kraemer | |
| 13 | 2024-07-08 | Cook County, Auto selected 47.59310, -90.79580,47.5930960,-90.7957960 | Belgum | Rufous head and gray body. Long thin bill. Crest slight. Likely two families. |
| 12 | 2022-07-29 | Lake County, Tettegouche State Park, Cascade Falls Hiking Trail,47.3367470,-91.1 | Knutsen | |
| 10 | 1979-06-02 | Lake County, Beaver Bay | Janssen | |
| 7 | 2008-06-01 | Cass County | Wieland | Pelican Island |
| - - - Fall - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 110 | 2015-10-24 | St. Louis County, Hawk Ridge Nature Reserve,46.8469659,-92.0315212 | Lamoreaux | Multiple flyover flocks (mostly <20 each), all heading from NW towards lake. |
| 110 | 2021-11-02 | St. Louis County, Park Point--Park Point Rec. Area,46.7337486,-92.0542164 | DeCoster | There were two rather large rafts bayside, I scoped 20X from Sailing Club area |
| 97 | 2024-10-30 | Lake County, Two Harbors--6th St to 3rd St (south of South Ave),47.0177138,-91.6 | Lind | Huge flock. Counted individually. Photos |
| 90 | 2024-10-24 | St. Louis County, Park Point--Park Point Rec. Area,46.7337486,-92.0542164 | Hosch | Counted by tens |
| 85 | 2016-10-17 | St. Louis County | Bardon | Hawk Ridge/Lester River Census |
| 85 | 2022-11-17 | Benton County, Little Rock County Park (45.734, -94.177),45.7335718,-94.1772868 | Blomberg | Individually counted, based on slenderness profile to mixed in few COME. |
| 77 | 2021-11-06 | St. Louis County, Park Point--Park Point Rec. Area,46.7337486,-92.0542164 | Kraemer | fly by on the bay - all one flock - larger white wing patch and reddish-brownish |
| 65 | 2016-10-27 | St. Louis County, Duluth--Canal Park,46.77987,-92.09109 | Corliss | |
| 62 | 2018-10-29 | Lake County, Two Harbors,47.01898,-91.66527 | | |
| 55 | 2017-10-20 | St. Louis County, Stoney Point,46.92415,-91.81746 | Bardon | |
| 41 | 2016-10-26 | St. Louis County | Bardon | Hawk Ridge/Lester River Census |
| 40 | 2012-11-28 | Goodhue County, Lake Pepin (Goodhue Co.),44.4788094,-92.2976446 | Versaw | |
| 34 | 2005-09-26 | Beltrami County | Unzen | |
| 22 | 2012-11-12 | St. Louis County, Hawk Ridge Nature Reserve,46.8469659,-92.0315212 | Bardon | |
| 19 | 2010-11-11 | St. Louis County, Duluth--Park Point | Bardon | |
| 19 | 2000-10-15 | St. Louis County, Duluth | Tustison | |
| 17 | 1997-10-25 | Aitkin County | Tustison | flock of 17 |
| 17 | 2009-11-23 | Meeker County | Floren | lake ripley |
| 14 | 2009-11-07 | Stearns County | Chu | Maine Prairie Twp., Pearl Lake. |
| - - - Winter - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 150 | 2023-01-23 | St. Louis County, Duluth--Canal Park,46.7798700,-92.0910900 | Ripma | Estimate of one large and two small rafts |
| 112 | 2013-02-05 | St. Louis County, Duluth--Canal Park,46.77987,-92.09109 | Kraemer | The flock flew in and landed in Lake Superior out from the shipping breakwall. |
| 86 | 2023-12-10 | Lake County, Two Harbors--Lighthouse Point,47.0136620,-91.6639915 | Lind | 77+9 |
| 85 | 2024-02-12 | St. Louis County, Duluth Lakewalk--Rose Garden,46.7977533,-92.0810509 | Kurtz | Large feeding flock - estimated count as diving constantly. |
| 77 | 2023-12-09 | Lake County, Knife River Marina,46.9465400,-91.7812500 | Svingen | Estimate based on multiple counts by groups of 5 while flock was on the surface. |
| 65 | 2018-01-20 | St. Louis County, Park Point--Park Point Recreation Area,46.7311691,-92.052362 | Sender | |
| 62 | 2019-01-29 | Lake County, Two Harbors--Lighthouse Point,47.013662,-91.6639915 | Gardner | |
| 62 | 2017-02-09 | Lake County, Two Harbors,47.01898,-91.66527 | Killeen | Only a few males |
| 55 | 2022-01-16 | St. Louis County, Duluth--Canal Park,46.7798700,-92.0910900 | Stuck | In open water near Fitgers. |
| 52 | 2018-02-23 | St. Louis County, 8419 Congdon Blvd, Duluth US-MN (46.8685,-91.9496),46.868528,- | Reed | |
| 38 | 2015-01-30 | St. Louis County, Duluth--Canal Park,46.77987,-92.09109 | Wood | **High count. Fairly distant offshore to northeast. A couple males displaying. S |
| 30 | 2009-02-15 | St. Louis County | Hockema | Canal Park, Duluth. |
| 27 | 2008-02-16 | St. Louis County | Floren | lake superior |
| 17 | 2010-01-30 | St. Louis County | Svingen | Flock of 17 RBME -- all males -- at Canal Park, Duluth. |
| 17 | 2007-01-25 | Lake County | Brunell | Burlington Bay |
| 8 | 2010-02-04 | St. Louis County, Duluth--Canal Park | Crosby | |
| 5 | 2010-01-03 | St. Louis County, 21st Ave East | Hendrickson | |
| |
| Breeds northeast mostly on Lake Superior. Migrant throughout. Overwinters locally. |
