Yes, the bill ring. A rather notorious name for this duck since the neck
ring is very difficult to see. 10-15 years ago someone at AOS sent in a
proposal to change the name to Ring-billed Duck. Fortunately it was not
accepted. As for me,I love idiosyncrasies Bob OBrien Portland

On Sun, Aug 24, 2025 at 9:41 AM Larry Schwitters via Tweeters <
tweeters at u.washington.edu> wrote:


> Hello Bill,

>

> Size matters. Obviously smaller than the Mallards and Gadwalls.

>

> From Nat Geo field guide.

>

> Peaked head. Bold white ring near tip of bill.

>

> Larry

>

> On Aug 24, 2025, at 7:56 AM, William Stafford Noble <wnoble at uw.edu> wrote:

>

> Yes, I saw them yesterday as they passed about 10 feet from me, when I was

> standing on the ramp leading into the water. I didn't think to take their

> picture, but when I entered the observation in eBird, it indicated that

> seeing four at once is unusual and that I should add additional information

> about the sighting. This led me to a question I frequently wonder about: I

> know that there are accepted "field marks" for each species, but I'm not

> sure how to find out what they are. Is there a resource somewhere (ideally,

> an app) that specifically lists the primary field marks per species?

>

> Bill

>

>

> On Sat, Aug 23, 2025 at 6:57 PM Larry Schwitters via Tweeters <

> tweeters at u.washington.edu> wrote:

>

>> For weeks and weeks there has been a single Ring-necked hanging out with

>> the Mallards at Lake Sammamish Park. Its become quite tame. This morning

>> there were 3 more.

>>

>> Larry Schwitters Issaquah

>>

>>

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>

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