>
>Gene Hunn writes:
>
>>There was also a Pseudo-Glaucous Gull, with a very nice two-toned pink and
>>dusky bill, very pale body, but dusky gray primaries and tail. A very worn
>>and bleached 2nd winter Glaucous-winged, I would surmise.
>
Michael Price replies:

>The presence of actual pink or flesh rather than the muddier tone of a
>Glaucous-winged Gull (Larus glaucescens) in the basal portion of the bill
>could argue with some persuasiveness a Glaucous (L. hyperboreus) component
>to the parentage. Perhaps a better indicator might be the extent of the
>distal black tip.
>
>At the age when an immature Glaucous-winged and Glaucous resemble each
>other, the amount of distal black should be quite different--in
>Glaucous-winged, the distal half or better of the bill; in Glaucous, the
>distal one-quarter.
>
>Hunn replies: I forgot to mention that there were distinct gray tones to
the back, scapulars, coverts... I'm sure it was not a first year, but a
second year bird. The eye appeared rather dark. In second year I think the
bill coloration on a Glaucous-winged can show quite a range.>