A small dabbling duck, a Blue-winged Teal is dwarfed by a Mallard and only a touch larger than a Green-winged Teal. Head is rounded and bill is on the large side.
- Both Sexes
- Length: 14.2-16.1 in (36-41 cm)
- Weight: 8.1-19.2 oz (230-545 g)
- Wingspan: 22.1-24.4 in (56-62 cm)