Hey Tweets, National Geographic's "Complete Birds of North America"
(editor: Jonathan Alderfer) mentions this feature but does not show a
picture of it: "Much of the underside of the lower mandible is also
yellow." - Connie, Seattle

csidles at isomedia.com

> I also noticed the yellow stripe on the underside of the Whooper Swan's
> bill. The only reference I could find to this marking was in Roberson's
> "Rare Birds of the West Coast". According to Roberson, it is present in
> Bewick's Swan as well, but it is absent in the nominate race of Tundra
> Swan.
>
> A reminder: I have heard from at least one birder who will be coming
> from out of state to see the Whooper Swan, and others continue to come
> from other parts of Washington. Please call the BirdBox with your
> updates so that people without access to Tweeters get the word. 206
> 281-9172
>
> Rachel Lawson
> Seattle
> RachelWL at msn.com
>
>
>
> -----Original Message-----
> From: tweeters-bounces at mailman1.u.washington.edu
> [mailto:tweeters-bounces at mailman1.u.washington.edu] On Behalf Of
> Geopandion at aol.com
> Sent: Thursday, December 28, 2006 8:15 PM
> To: tweeters at u.washington.edu
> Subject: [Tweeters] Whooper Swan and two (?) Emperor Geese today 12/28
>
>
>
> ........We were observing the swan from about 300 yards, through some
> heat waves, but we did make out a "tongue" of bright yellow on the
> underside of the lower bill. Perhaps others have seen that also, but
> none of the guides I have consulted mention that feature.........
>
> George Gerdts
> Bainbridge Island, WA
> geopandion at aol.com
>
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