[EBB Sightings] Unusual growth on Heermann's gull in Oakland

Calvin Walters
Sat Jan 02 15:46:19 PST 2010

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Went to find the Hooded Merganser in Oakland Estuary park (which he gave me
some good looks) and snapped this photo of a Heermann's Gull with an unusual
growth under its bill.  I've posted 2 photos - including a close crop.

Does anyone know what this might be?

It can be seen on the following link:

http://gallery.me.com/calw#100285


Cal Walters
510-717-5500
calw at mac.com

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