Aythya collaris (bird)

Mass: 730 g

Diet: granivore based on Allen and O'Connor 2000

Abundance: 0.10 to 0.31%

Latitudinal range: 40.9° to 43.8°

Habitats: (2) only

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Found in two samples

Canada: Keffer (Midden 57, screened) (Holocene)

United States: Hulme Site (Holocene)

Size measurements:
730 mm(N = 1)based on

See also Aythya, Aythya affinis, Aythya americana, Aythya ferina, Aythya marila, Aythya nyroca, Aythya sp., Aythya spp.