[Tweeters] White flanks on a loon does NOT equate to it being an Arctic Loon

Robert O'Brien baro at pdx.edu
Sun Jan 3 17:04:20 PST 2021

Nice comments by Brad Waggoner. And clearly not to discourage anyone from
looking for Arctic Loons. They are indeed rare and all the more reason to
look for them. Always best to post to Tweeters if you have found a
Take a look and decide what you think, based upon Brad's comments, about
the ID of these two Oregon loons, which I photographed over a period of
many years. (P.S. There was nothing 'highly' unusual about the posture of
either one.) Comments online or offline welcomed. To be continued.
Bob O'Brien Portland

On Fri, Jan 1, 2021 at 3:06 PM Brad Waggoner <wagtail24 at gmail.com> wrote:

> Hi all,


> It seems every winter there are a handful of reports of an Arctic Loon and

> “white flanks” are provided as the reasoning for the identification. The

> presence of white flanks is really not the identifying feature of an

> Arctic Loon. And all of our common expected species of loons can exhibit

> this feature to some degree depending on the individual bird depending on

> posture or behavior. The specific key feature to send one down the path of

> a potential Arctic Loon identification is an enlarged white “bubble” or

> oval area in the rear area of those white flanks. Then there are some

> subtle features such as a somewhat blocky head and larger bill than a

> Pacific Loon that will be of additional help. I think actually an Arctic

> Loon can tend somewhat more suggestive of a Common Loon than a Pacific Loon.


> There are only a handful of WBRC approved records of Arctic Loon so it

> truly is a rare bird in Washington.


> Good birding and Happy New Year!


> Brad Waggoner


> Sent from my iPhone

> _______________________________________________

> Tweeters mailing list

> Tweeters at u.washington.edu

> http://mailman11.u.washington.edu/mailman/listinfo/tweeters


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20210103/6325629d/attachment.html>

More information about the Tweeters mailing list