Utah Winter Gulls

by Dennis Shirley

General Information  |  Gull Identification  |  Immature Gulls  |  Key to Adult Gulls  |  Species List  |

     Glaucous Gull
  (similar species)

Breeding Adult - large and heavy bodied, pale gray mantle, otherwise white
including the primaries; yellow bill with red spot on lower mandible; yellowish-white eyes
Photo by Paul Higgins   ©Paul Higgins

Breeding Adult - all white except the light gray mantle
Photo by Jack Binch   ©Jack Binch

1st Winter (This one is faded, most are much darker than this one). -
plumage nearly pure white, flesh-pink bill with dark tip
by  Margaret T. Sanchez   ©Margaret T. Sanchez

2nd Winter - paler and more buff-colored, with less black in the bill tip
By January, most 2nd winter birds begin to show pale gray feathers on the back and a pale eye.
by  Paul Higgins   ©Paul Higgins

2nd Winter - no black in wing tips, less black on tip of bill than 1st Winter
by  Paul Higgins   ©Paul Higgins

Glaucous Gull

Similar Species
   Iceland Gulls - are similar but have a much smaller bill and often more gray markings in the primaries.  The first winter Iceland Gull has a bill that is all or mostly dark.
   Glaucous-winged Gulls - all has extensive gray in primaries; They have a somewhat shorter and more bulbous bill;  Immatures may be very pale (particularly in worn plumage at end of first and second winters) but the bill is entirely black, or extensively tipped black.
   Other Gulls - in worn summer plumage may be mistaken for a Glaucous Gull.


Iceland Gull - has a much smaller bill, more gray markings in primaries than Glaucous.
   Photo by Paul Higgins   ©Paul Higgins

1st Winter Glaucous-winged -  has shorter and more bulbous bill than Glaucous.
   Photo by Rick Fridell   ©Rick Fridell

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