[Tweeters] Common Eider Subspecies?

Matt Bartels mattxyz at earthlink.net
Tue Jan 10 08:42:20 PST 2017


Hi Michael & Tweeters -
I checked w/ Ryan as soon as I saw the photos about this question: Apparently the Skagit escapee returned to its home within a couple days of its escape last fall. So though other sources are possible, I think we can set aside the worry that this is the same bird as the Skagit one.

Best,

Matt Bartels
Seattle, WA


> On Jan 10, 2017, at 8:02 AM, birdmarymoor at gmail.com wrote:

>

> This raises the question: Is there any likelihood that the Purdy bird is the same bird from Hayton Reserve in October?

>

> = Michael Hobbs

>

> -----Original Message----- From: Joshua Glant

> Sent: Tuesday, January 10, 2017 12:30 AM

> To: Tweeters

> Subject: [Tweeters] Common Eider Subspecies?

>

> Hello Tweets,

>

> I was looking at the photos taken today by Meghin Spencer of the Common Eider at Purdy Spit, and I was struck by how rufous the bird's plumage appeared - almost like the Atlantic Ocean subspecies "dresseri". A quick Google inquiry of more "dresseri" photos, comparing both plumage coloration and head/bill proportions, seemed to support my suspicion. I would be interested in hearing the thoughts of other observers and perhaps of those with more experience with Common Eider subspecies.

>

> It is worth noting that the Pacific Coast has one previous accepted "dresseri" record, of a female in November 2011 at Crescent City, CA. As noted previously on Tweeters by Ryan Merrill, the Common Eider female seen at Hayton Reserve on Fir Island back in October was an escaped female "dresseri" from a nearby waterfowl collection. With both of these occurrences in mind (and not necessarily resting any bias on either), it will be interesting to confirm the subspecies of this Pierce Co. bird one way or another!

>

> Good birding, Joshua Glant

> Mercer Island, WA

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