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This page is dedicated to demonstrating the extensive variation in Green-winged Teal (Anas {crecca} carolinensis). Except where mentioned, all these photos were taken in Fort Worth, Texas:

A) Mid-December: this bird has a pale bill-spot and a slight pale "bridle" on each side of the face - rather like Baikal Teal except that the white bridle tends to be directly under the eye on Baikal Teal, and also the loral area immediately ahead of the eye tends to be pale, isolating the eye somewhat:

B) Late October; note the isolated "bill spot":

C) Early February; note the dark bar on the lower auricular, and the very rich cinnamon color of the bar above the speculum formed by the greater covert tips :

D) April; I've received some opinions that this is a female BW Teal: I can assure you that it is not; the male BWT in the foreground was accompanied by a female, and while this individual was almost the size of a BWT the dark gray wing coverts, white patches on the lateral rump, etc. rule out female BWT. Note the isolated "bill spot" and apparent gray uppertail coverts (except for the last row which are mostly dark-centered) - a supposed feature of Baikal Teal. Also note that in the first image, there is the suggestion that the join between the green and black on the speculum is angled (as in Baikal) - but this is inconclusive:

E) Late February; note the extensive warm chestnut wash on the breast - I believe that this is mostly due to staining:

F) Mid-February; note the warm chestnut dappling on the breast (again likely due to staining), the face pattern, and the wing pattern (trailing white edge at least as wide as leading white edge on the speculum):

Early March at Port Aransas, Texas; a selection of individuals:
G) - on this first bird do the median coverts indicate that this is a imm. male???:

H) on the following (different) bird the trailing white edge to the speculum is slightly wider than the leading edge:



K) July near Nome, Alaska (photo by Fred and Beverly Barnett); this is the most extreme facial pattern I've seen on carolinensis:

L) Mid-April; note the "bill spot":

M) Mid-January; note the dark horizontal bar on the lower auriculars:

N) Mid-February; note the apparent lack of the white lateral line by the tail, plus the "bill spot" almost isolated by a darker smudge:

O) April; note the complete lack of white lateral lines at the tailbase, and the elongated look to the bill/forehead:

O) September; note the "bill spot":

P) Early March; this is probably an immature male carolinensis, but it does somewhat recall a nominate crecca? - in the field it was apparent that the tail was noticeably paler than on the normal female birds, and the upper white bar to the speculum was creamy with no inner buffy or cinnamon (but I have seen some otherwise normal carolinensis that have lacked this):

Q) Early September; note the bulge in the bill base, plus the vermiculations on the flanks near the rump, indicating an eclipse male - perhaps this is why it shows gray uppertail coverts but with the distal two rows solidly blackish - this utc pattern has been associated with Baikal Teal: