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18 minutes ago, floraphile said:

@Avery @RobinHood--The undertail coverts looked pale and the forehead looked steep, so I thought Green-winged.  Would thoses features be more strking if it was a Green-winged?  

Green-winged would have buffy triangles underneath the tail. I haven’t used forehead steepness before, but Green-winged has a dark eyeline, no eye arcs, and usually less white at the base of the bill. 

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10 minutes ago, Charlie Spencer said:

Both birds have solid black bills, eliminating Mallard and Mottled.  Teals, but I can't be more specific.  Leaning more Blue than Green, primarily because I had a flock of Blues on an farm pond a week or so ago.

Greens are pretty rare here in mid-October, although a couple have been seen in the past few days.

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56 minutes ago, floraphile said:

Would thoses features be more strking if it was a Green-winged? 

What @Averysaid. The white/buffy streak under the tail is the most reliable marker (male, female, immature) but not always evident. The other markers can be more subtle, this recent photo shows minimal white at the base of the bill and not the most distinct eye arcs but no doubt about the ID.

I find the Green-winged usually appears to have warmer (brown) tones than the Blue-winged (more grey) but varies on the lighting. Also the Blue-winged can appear longer and lower in the water. Can't beat seeing them in flight ?.

Sometimes you can't tell.

Blue-winged Teal 2f HVT-.jpg

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5 minutes ago, RobinHood said:

What @Averysaid. The white/buffy streak under the tail is the most reliable marker (male, female, immature) but not always evident. The other markers can be more subtle, this recent photo shows minimal white at the base of the bill and not the most distinct eye arcs but no doubt about the ID.

I find the Green-winged usually appears to have warmer (brown) tones than the Blue-winged (more grey) but varies on the lighting. Also the Blue-winged can appear longer and lower in the water. Can't beat seeing them in flight ?.

Sometimes you can't tell.

Blue-winged Teal 2f HVT-.jpg

Great pic!

 

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