Aythya americana (bird)
Mass: 1.1 kg
Latitudinal range: 34.8° to 43.8°
Found in two samples
Canada: Keffer (Midden 57, floated) (Holocene)
United States: Schuiling Cave (Late Pleistocene)
Size measurements:
| body mass | 1118 kg | (N = 0) |
See also Aythya, Aythya affinis, Aythya collaris, Aythya ferina, Aythya marila, Aythya nyroca, Aythya sp., Aythya spp.