[Mallard X American Black Duck](Anas platyrhynchos X A. rubripes) |
Year | Season | N | S | |
2014 | Winter | 1 | | Present (max. 4) near Canal Park and the Duluth Harbor through most of the winter season. Occurrences of this hybrid have not been regularly included in these seasonal reports in the past, but we plan to do so in the future. |
2015 | Spring | | 1 | Drake found associating with hen American Black Duck 3/23 Scott (Veterans Park, Shakopee) ph. SBn. |
2015 | Winter | 2 | 6 | By far the most reports of this hybrid were from St. Louis (Duluth), with as many as five from Canal Park m.ob. South reports, all of 1–2 individuals, were from Anoka, Dakota, Hennepin, Ramsey, Scott, Wright. |
2016 | Spring | 1 | 1 | Two reports: 3/27 Carver JCy, 4/9 Mille Lacs (5) PEJ. |
2016 | Fall | | 3 | All south 11/20 Hennepin (Long-Meadow Lake) PEJ, 11/25 Ramsey (Vadnais Park) KnM, 11/26 Wabasha (Pool #5) PEJ. |
2016 | Winter | 2 | 4 | Most reports of this hybrid were from St. Louis (Duluth), with up to three found throughout the season. Another north report in late December from Otter Tail. South reports were from Anoka, Dakota, Hennepin, Scott. |
2017 | Fall | | 1 | One south report 11/12 Carver BAb. |
2017 | Winter | 2 | 3 | Most reports of this hybrid were from St. Louis (Duluth) from throughout the season of 1–4 birds m.ob. Other reports (singles) from Hennepin, Otter Tail, Ramsey, Scott. |
2018 | Spring | 1 | 1 | Two reports: 3/15 Hennepin CMB, 5/28 Pennington BAb. |
2018 | Summer | | 1 | Reported 6/8 Stearns (Albany W.T.P.) PCC. |
2018 | Fall | | 2 | Â All south 10/14–21 Ramsey BAb, IVa, 10/24–11/23 Wabasha (Pool #5) PEJ. |
2018 | Winter | 1 | 3 | Reported from Dakota, Hennepin, Scott, and St. Louis, with a high count 12/11 St. Louis (10, Duluth) KRE. South reports were singles. |
2019 | Spring | | 1 | One report 3/15 Stearns MJB. |
2019 | Fall | 1 | 2 | One north 10/28–11/1 St. Louis (Duluth) KDS, GHo. Two south 10/31 Ramsey (Vadnais Lake) EzH, 11/14 Wabasha (2, Pool #5) PEJ. |
2019 | Winter | 1 | 4 | Â Most reports of this hybrid were from St. Louis (Duluth), with 1–4 found throughout the season m.ob. Also reported from Hennepin, Ramsey, Scott, Wright. |
2020 | Spring | 3 | 5 | Five south reports: 3/1 Scott IVa, MwT, Wright ASu, 3/11 Winona PEJ, 3/23 Freeborn PEJ, 3/27 Hennepin ClB. Three north reports: 3/14 Otter Tail ebd, 3/27 – 5/10 St. Louis BEA, m.ob., 5/25 Kanabec ASu. |
2020 | Fall | 2 | 6 | All north 9/6 St. Louis (Duluth) PHS, 9/7 Lake (Lake One/Kawishiwi) DEa, 10/27 St. Louis (Park Point) AKz, 11/24 St. Louis (3, Forest Hill) JLK. All south 9/5 Dakota (Thompson Lake) AKz, 10/18 Stearns (1, Sartell) ebd, 10/18–24 Hennepin (Rogers W.T.P.) †ClB, m.ob., 11/4–23 Wabasha (max. 2, Pool #5) PEJ, 11/14 Ramsey (Crosby Farm R.P.) AGu, cies.) PEJ, 11/25 Lac qui Parle (Big Stone N.W.R.) GWe. |
2020 | Winter | 1 | 6 | Most reports of this hybrid were from St. Louis (Duluth), of 1–3 individuals, and Scott (Shakopee Mill Pond, Blue Lake W.T.P.), all singles. Singles also reported from Anoka, Hennepin, Wabasha, Winona. |
2021 | Spring | 3 | 8 | Three north reports: 3/6 – 5/5 St. Louis (max. 2) BEA, m.ob., 4/11 Kanabec ph. SPS, 4/18 Clearwater AxB. Eight south reports: 3/2 – 5/6 Dakota PEJ, ebd, 3/3–24 Scott AxK, m.ob., 3/9 Houston ASu, 3/13 Rice NiR, 3/21 – 4/4 Hennepin ClB, 4/3 Ramsey ebd, 4/10 Anoka DnS, PNi, 4/30 Steele PEJ. |
2021 | Fall | 3 | 7 | All north 8/5 – 11/29 St. Louis (Park Point) PHS, m.ob., 8/26 Lake (Ojibway & Triangle Lakes) DEa, 9/8 Marshall (Agassiz N.W.R.) ebd. All south 8/1 Hennepin (General Mills Nature Preserve) ebd, 10/3 Sherburne (2, Lake Fremont) ebd, 10/14 Anoka (Springbrook N.C.) ebd, 10/24 Carver (Carver P.R.) TWe, 11/8–27 Ramsey (Vadnais Lake) APi, LiH, m.ob., 11/8 Scott (2, Murphy-Hanrehan P.R.) MSw, 11/28 Scott (Shakopee Mill Pond) MwT, ebd. |
2021 | Winter | 1 | 5 | Only one report of this hybrid from St. Louis (Duluth), where in most recent winters there have been multiple individuals. All other reports from five south counties, including 12/6 Rice MZa, 2/15–26 Goodhue PEJ. Up to 3 were reported from Scott (Shakopee Mill Pond) m.ob. |
2022 | Spring | 3 | 5 | Apparent hybrids described 3/9–12 Goodhue PEJ, 4/11 Lake JWL. Additional reports north from Cook, St. Louis, and south from Hennepin, Ramsey, Rice, Scott. |
2022 | Fall | 2 | 4 | Reported north from Cook and St. Louis, and south from Hennepin, Ramsey, Scott, Wabasha. Details provided for 10/21–29 Cook COg, m.ob., and 11/7 Wabasha (Pool 5) PEJ. |
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  | Hybrid Species. |