Mobile bird identification
Bird Field Guide

Blue-winged Teal

Anas discors
Order: Anseriformes

Family: Anatidae

Genus:  Anas

Species: A. discors
Note the slate grey head and neck with the distinctive white crescent. Beware of Male eclipse Northern Shoveler who can also have a similar white area behind the bill. The breast and flanks of the Male bird are also different colours, although the contrast can vary.

The Male Blue-winged Teal in Winter has a white crescent behind the bill with a slate grey head. It's body is mottled brown and it's bill black. It is a small duck only slighter larger than the Eurasian Teal. It has a distinctive area of white on it's rear flank.

Adult Male Winter
A dabbling duck, the Blue-winged Teal migrates from North America/Canada to Southern America in the Winter.
As a vagrant the Blue-winged Teal often accompanies Shoveler or Eurasian Teal on freshwater ponds, lakes and flooded grassland.
General distribution:
An American and Canadian bird the Blue-winged Teal is rarely seen in the UK or Europe with only around 1 to 14 sightings per year. Some of these sightings are thought to be collection escapees.

The Male Blue-winged Teal when seen from behind has a distinctive V shape on the back of the head, however the mark is not always prominent depending upon the stage of plumage. The white patch on the Males rear along with the dark rump and tail are clearly illustrated in this image.
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Identifying a Male Blue-winged Teal Winter

Black cap

Slate grey head/neck

*White patch
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* key ID points
Adult Female

Black tail/rump

Identifying a Female Blue-winged Teal
Identifying a Male Blue-winged Teal

*Greenish-yellow legs

* key ID points
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*White eye ring (broken)

Male and Female Blue-winged Teal in Winter.
Wildfowl (Ducks)

*White crescent

Dark eyestripe

Adult Male Summer (Eclipse)
Identifying a Male Blue-winged Teal in Summer eclipse
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*Pale loral area
The Female Blue-winged Teal is very similar to the Female Eurasian Teal and the Female Garganey. The pale loral spot, broken white eye ring, eyestripe and leg colour help to separate it. The Female, like the Male has a blue forewing but it tends to be slightly darker.
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The Male in Summer eclipse is almost identical to the Female, the leg colour being the most reliable way of separating the sexes. The Males blue wing is a lighter blue than the Females. To further complicate identification the Male in Summer is also very similar to the Female Garganey and Eurasian Teal. See ID points on Female below.
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Where's the best place to see this bird?
More ID tips?
Best place to photograph it?
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Brown mottled flanks

Dark mottled breast

Identifying a Male Blue-winged Teal head pattern
A Male Blue-winged Teal with Female
Male Blue-winged Teal with Female in flight
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The Male and Female Blue-winged Teal are easy to separate in Winter with the Male having distinctive plumage.
Adult Male Winter (eclipse) and Female in flight
The Male and Female Blue-winged Teal in Winter are easier to separate whilst in flight. The female at the back has a much smaller white wing bar, and the blue forewing is much duller than the two Male birds at the front.