
Blue-winged Teal
Kingdom Animalia, Phylum Chordata, Class Aves, Order Anseriformes, Family Anatidae, Genus Spatula, Species S. discors
Family: Anatidae (Ducks, Geese, and Swans)
- Shape
- Symmetrical to slightly asymmetrical vane, rounded tip, smooth broad outline with a distinctive square-ended white tip and a subterminal band.
- Size
- Approximately 2 to 3 inches long, consistent with a medium-sized dabbling duck wing covert.
- Rarity
- Very Common
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Description
The Blue-winged Teal is a small dabbling duck known for its swift, erratic flight and the striking powder-blue wing patches visible in flight. Males in breeding plumage feature a slate-blue head with a prominent white crescent mark in front of the eye, a cinnamon-brown body, and a black rear end.
Colour & Pattern
Stunning iridescent metallic blue-green (structural color) on the outer web, transitioning to dark charcoal grey-black, bordered by a sharp subterminal black band and a clean white terminal tip. The inner web is muted grey-brown.
Barb Structure
Tightly interlocked pennaceous structure across the distal portion with a small plumulaceous base; barbs are intact and well-formed with minimal fraying.
Texture & Surface
Smooth, glossy, and water-repellent surface on the pennaceous vane, with a soft, downy base.
Key Features
Distinctive combination of metallic blue-green iridescence, a sharp subterminal dark band, and a crisp white terminal tip.
Habitat
Shallow wetlands, marshes, ponds, sloughs, and shallow lakes with abundant emergent vegetation.
Geographic Range
Breeds across North America from Alaska through Canada down to the northern United States; winters in Central and South America as well as the Gulf Coast.
Ecological Role
Acts as an important seed disperser for aquatic plants and serves as prey for various raptors and mammalian carnivores; excellent indicator of wetland health.
Similar Species
Cinnamon Teal and Green-winged Teal, though the striking blue coverts are diagnostic for blue-winged and cinnamon teal.
Interesting Facts
Blue-winged teal are among the earliest migratory ducks to head south in the autumn and the last to return to their northern breeding grounds in the spring.
Condition Notes
Good condition, showing minor natural wear at the very tip but otherwise intact with vibrant coloration.