Aythya (x Somateria, Lophodytes)

Canvasback x Redhead (Aythya valisineria x americana)

Information:
Media:

https://macaulaylibrary.org/asset/299396791

https://macaulaylibrary.org/asset/309823981

https://macaulaylibrary.org/asset/309825211

https://macaulaylibrary.org/asset/132866381 - Center

Redhead x Ring-necked Duck (Aythya americana x collaris)

Information:
Media:

https://macaulaylibrary.org/asset/144373981

https://macaulaylibrary.org/asset/303119821

https://macaulaylibrary.org/asset/144373951

https://macaulaylibrary.org/asset/48908651

https://macaulaylibrary.org/asset/126842111

Canvasback x Common Pochard (Aythya valisineria x ferina)

Information:
Media:

📷

Canvasback x Ring-necked Duck (Aythya valisineria x collaris)

Information:
Media:

https://macaulaylibrary.org/asset/66208461

https://macaulaylibrary.org/asset/87087051

https://macaulaylibrary.org/asset/66208891

Redhead x Greater Scaup (Aythya americana x marila)

Information:

Note: Extremely difficult to separate from REDH x LESC
Media:

📷 📷 - Captive individuals of confirmed parentage

https://macaulaylibrary.org/asset/85725211

Redhead x Lesser Scaup (Aythya americana x affinis)

Information:

Note: Extremely difficult to separate from REDH x GRSC
Media:

📷

https://macaulaylibrary.org/asset/207654321

https://macaulaylibrary.org/asset/202528571

https://macaulaylibrary.org/asset/394890301

https://macaulaylibrary.org/asset/327438571

Common Pochard x Ferruginous Duck (Aythya ferina x nyroca)

Information:
Media:

https://macaulaylibrary.org/asset/320560371

https://macaulaylibrary.org/asset/320562151

Common Pochard x Tufted Duck (Aythya ferina x fuligula)

Information:
Media:

https://macaulaylibrary.org/asset/103812881 1

https://macaulaylibrary.org/asset/202546331

https://macaulaylibrary.org/asset/137365921

Ring-necked x Ferruginous Duck (Aythya collaris x nyroca)

Information:
Media:

Ring-necked x Tufted Duck (Aythya collaris x fuligula)

Information:
Media:

https://macaulaylibrary.org/asset/94159051

https://macaulaylibrary.org/asset/23424121

Ring-necked Duck x Greater Scaup (Aythya collaris x marila)

Information:

Note: Extremely difficult to separate from RNDU x LESC
Media:

https://macaulaylibrary.org/asset/216951101

https://macaulaylibrary.org/asset/216951121

Ring-necked Duck x Lesser Scaup (Aythya collaris x affinis)

Information:

Note: Extremely difficult to separate from RNDU x GRSC
Media:

https://macaulaylibrary.org/asset/217821831

https://macaulaylibrary.org/asset/57709471

https://macaulaylibrary.org/asset/57709511 - Left

https://macaulaylibrary.org/asset/57709501 - Left

https://macaulaylibrary.org/asset/83227251

Ferruginous Duck x Baer's Pochard (Aythya nyroca x baeri)

Information:
Media:

https://macaulaylibrary.org/asset/302644551

https://macaulaylibrary.org/asset/302644451

Ferruginous x Tufted Duck (Aythya nyroca x fuligula)

Information:
Media:

https://macaulaylibrary.org/asset/205966861

https://macaulaylibrary.org/asset/406785621

Ferruginous Duck x Greater Scaup (Aythya nyroca x marila)

Information:
Media:

Tufted Duck x Greater Scaup (Aythya fuligula x marila)

Information:

Note: Extremely difficult to separate from TUDU x LESC
Media:

https://macaulaylibrary.org/asset/300529571

https://macaulaylibrary.org/asset/300534651

https://macaulaylibrary.org/asset/216381231

https://macaulaylibrary.org/asset/216606521

https://macaulaylibrary.org/asset/521368671

https://macaulaylibrary.org/asset/521371701

Tufted Duck x Lesser Scaup (Aythya fuligula x affinis)

Information:

Note: Extremely difficult to separate from TUDU x GRSC
Media:

https://macaulaylibrary.org/asset/610059732

https://macaulaylibrary.org/asset/609984804

https://macaulaylibrary.org/asset/220692361

New Zealand x Lesser Scaup (Aythya novaeseelandiae x affinis)

Information:
Media:

📷 - https://harteman.nl/hybrids

Canvasback x Lesser Scaup (Aythya valisineria x affinis)

Information:
Media:

https://macaulaylibrary.org/asset/474294081

📷 - Possible. LESC seems more likely the parent than GRSC based on head shape.

Tufted Duck x King Eider (Aythya fuligula x Somateria spectabilis)

Information:
Media:

📷

Tufted Duck x Hooded Merganser (Aythya fuligula x Lophodytes cucullatus)

Information:
Media:

https://www.inaturalist.org/observations/204609339