"Typical" Gull Identification

Ring-Billed, California, Herring, Mew, Glaucous, Thayer's, and Lesser Black-Backed Gulls.

NOTE: Characteristics given below refer to mature birds in summer plumage.  Immatures may appear different.

RING-BILLED GULL
Size: 18 inches
Bill: Yellow with black band on tip
Legs and feet: Yellow
Wingtips: Black with white spots
Occurrence: Overall, the most common of the six species listed on this page.
 

CALIFORNIA GULL
Size: 22 inches
Bill: Yellow with black and red spots on lower bill
Legs and feet: Greenish-yellow
Wingtips: Black with white spots
Occurrence: Breeds in small numbers in the northeast part of the state.
 

HERRING GULL

Size: 22-26 inches
Bill: Yellow with red spot on lower mandible
Legs and feet: Pinkish
Wingtips: Black with white spots
Occurrence: Migrant, with some wintering along the Missouri River.
 

MEW GULL

Size: 16-18 inches
Bill: Yellow with lack of markings
Legs and feet: Greenish-yellow
Wingtips: Black-tipped primaries with white spots.
Occurrence: Rare migrant
 

GLAUCOUS GULL

Size: 26-30 inches
Bill: Yellow with red spot on lower mandible
Legs and feet: Pinkish
Wingtips: Very pale
Body: Very pale, very light gray back
Occurrence: Uncommon winter visitor
 

NO PHOTO YET

THAYER'S GULL

Size: 22-24 inches
Bill: Yellow with red spot on lower mandible
Legs and feet: Dark Pink
Wingtips: Less black than Herring Gull
Occurrence: Rare winter visitor
 

LESSER BLACK-BACKED GULL

Size: 22 inches
Bill: Yellow with red spot on lower mandible
Legs and feet: Yellow
Body: Darker gray back than most similar gulls.
Occurrence: Very rare winter visitor

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This page was last edited on 12/20/06