| Canvasback(Aythya valisineria) |
| - - - Spring - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 8,975 | 2017-04-01 | Freeborn County | Jantscher | |
| 8,500 | 2016-03-20 | Freeborn County | Jantscher | |
| 6,000 | 2022-04-09 | Wabasha County, Weaver Bottoms,44.2201420,-91.9319400 | Hosch | *high. Counted by hundreds and then rounded down to nearest thousandth to be con |
| 5,400 | 2006-03-23 | Winona County | Bardon | pool 5a |
| 4,400 | 2016-03-11 | Winona County, Pools #5 & 5A | Jantscher | |
| 4,100 | 2021-03-29 | Winona County, Pool #5 | Hosch | Counted by hundreds. |
| 3,500 | 2009-03-22 | Winona County | Jantscher | |
| 3,100 | 2015-03-29 | Wabasha County, Weaver Bottoms,44.220142,-91.93194 | Hollander | Estimate by 100s |
| 3,000 | 2012-03-16 | Lac qui Parle County, Bolland Slough | Frank | Large flock on Bolland Slough WPA, this is a deep lake with lots of fish, very p |
| 2,500 | 2009-03-22 | Wabasha County | Jantscher | |
| 2,000 | 2011-03-26 | Cottonwood County, near Talcot MWA | Bolduan | no attempt made to accurately estimate; very approximate and probabaly conservat |
| 1,500 | 2012-03-24 | Houston County, Upper Mississippi River NWR--Reno Bottoms | Puchalski | |
| 1,450 | 2006-04-01 | Jackson County | Bardon | Round Lake |
| 1,000 | 2007-04-08 | Meeker County | Floren | lake ripley |
| 500 | 2011-03-18 | Wabasha County, Lake Pepin--East | Fall | |
| - - - Summer - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 71 | 2015-06-07 | Polk County, Erskine ponds,47.6746573,-95.9964108 | Kraemer | |
| 40 | 2017-07-01 | Grant County, Elbow Lake WTP,45.9788919,-96.0075474 | Sterner | On shore and in water; mixed with other waterfowl |
| 31 | 2001-06-02 | Marshall County | Schroeder | |
| 25 | 2012-06-10 | Douglas County, Jennie Lake,45.9414879,-95.6785757 | Meyer | |
| 22 | 2020-06-12 | Grant County, Elbow Lake WTP,45.9788919,-96.0075474 | Sterner | 15 babies |
| 20 | 2019-06-04 | Marshall County, Warren Sewage Lagoons,48.2042834,-96.7997217 | Hughes | |
| 19 | 2016-07-17 | Douglas County, Osakis WTP,45.855271,-95.166496 | Mandel | Two hens. The rest are young. |
| 16 | 2014-06-07 | Polk County, Agassiz Valley,48.15199,-96.64096 | Aubol | |
| 15 | 2007-06-01 | Lac qui Parle County | Unzen | |
| 13 | 2010-06-20 | Anoka County | Hertzel | Thirteen day-old chicks following mom; photographed since Carlos Avery Refuge is |
| 11 | 1999-07-17 | Big Stone County, Thielke Lake | Tustison | 9m + 2f |
| 11 | 2001-06-02 | Clay County | Schroeder | |
| - - - Fall - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 182,035 | 2011-11-07 | Houston County | Service | Pool 8, Upper Mississippi River N.W.F.R. Includes birds in Wisconsin. |
| 48,000 | 2015-11-27 | Houston County, Pool #8 | Jantscher | |
| 32,130 | 2013-11-12 | Houston County, Pool 8 | Service | Aerial survey of Pool 8, Upper Mississippi River N.W.F.R.; includes birds in Wis |
| 30,000 | 2018-10-24 | Wabasha County, Pool #5 | Jantscher | |
| 15,000 | 2021-11-15 | Wabasha County, Pool 5 | Jantscher | |
| 12,000 | 2015-11-28 | Wabasha County, Pool #5 | Jantscher | |
| 6,000 | 2017-11-12 | Houston County, Reno Bottoms--Dike Road,43.6018086,-91.2667829 | Christ | |
| 3,000 | 2013-11-15 | Wabasha County, US-MN-Altura - 44.2003x-91.8923 - Nov 15, 2013, 2:54 PM,44.20034 | Lindemer | |
| 3,000 | 2014-11-13 | Houston County, Upper Mississippi NWR--Brownsville,43.6720312,-91.2765598 | Collins | |
| 2,700 | 2014-11-14 | Winona County, Prairie Island Spillway,44.0798782,-91.6827965 | Nienhaus | |
| 1,650 | 2006-10-29 | Meeker County | Floren | lake ripley early in the a.m. |
| 1,300 | 2011-10-21 | Lac qui Parle County, Salt Lake | Jantscher | |
| - - - Winter - - - |
|---|
| Number | Date | Location | Observer | Comment |
|---|
| 30,000 | 2009-12-05 | Houston County, reno bottoms pool 8 | Bardon | count from dike on south side of pool 8, includes birds in MN and WI |
| 29,500 | 2015-12-03 | Houston County, Pool #8 | Jantscher | Includes Wisc. birds |
| 19,300 | 2012-12-04 | Houston County, pool 8, UMRNWFR,43.6007232,-91.2580709 | Bardon | |
| 3,300 | 2021-12-01 | Wabasha County, Pool 5 | Jantscher | |
| 2,650 | 2019-12-02 | Wabasha County, Pool #5 | Jantscher | |
| 2,100 | 2020-12-01 | Wabasha County, Pool 5 | Jantscher | |
| 1,270 | 2017-02-27 | Wabasha County, Weaver Pool #5 | Jantscher | |
| 685 | 2017-02-27 | Winona County | Jantscher | |
| 380 | 2017-02-23 | Rice County | Towle | The Narrows, Sakatah Lake |
| 120 | 2011-12-31 | Wabasha County, Pool 5 | Jantscher | |
| 100 | 1982-12-07 | Wabasha County, Wabasha | Janssen | |
| 12 | 2010-12-03 | Hennepin County, Lake Calhoun | Tustison | at least 5 br.pl. males - the rest f/imms. |
| |
| Breeds mostly west and central. Migrant throughout, but rare northeast. |
