California Gull | Utah State Bird Facts

California Gull (Larus californicus)

Description: A common medium-sized gull on the West Coast, the California Gull can commonly be found near oceans, lakes, and dumpsters. The California Gull has a base coat of white, with a grey back and wings. The California Gull’s yellow beak features a black ring on the lower mandible.

State(s):Utah

Year Designated: 1955

Overview

Key Facts

Life Span20 Years
Flight
Flying Bird

Conservation Status

Lease Concern

Dimensions

Weight430-1045 g
Wing Span130 cm
Length47-54 cm

Taxonomic Serial Number                176829

Compared to the Average State Bird

How the California Gull measures up:

  • Wing span94 cm and 261% larger than the average state bird’s wingspan, (36 cm).
  • Weight960 g1,129%, and 12 times heavier than the average state bird’s weight (85 g)
  • Length27 cm100%, and 2 times longer than the average state bird’s length (27 cm)

Scientific Classification

KingdomPhylumClassOrderFamilySpecies
AnChordataAvesCharadriiformesLaridaeLarus californicus

Appearance

Appearance Description

AppearanceBase coat of white, with a grey back and wings. Yellow beak features a black ring on the lower mandible.

Behavior

Lifestyle

DietInsects, Marine Invertebrates, Garbage.
Communication StylesScratchy series of “aow” sounds.
Migratory BehaviorNon-migratory on the coast, short- to medium-distance migration further inland.

Range of Habitation

Habitation

Habitat

Lakes, Rivers, Oceans, Beaches, Pastures, Garbage Dumps, and Parking Lots.

Predators

none.

Mating and Breeding

Breeding Overview

Breeding BehaviorMonogamous for breeding season.
Breeding SeasonSummer
NestingNests in large colonies on ground.

Eggs

California Gull Eggs
ColorBuff to greenish, with dark spots, splotches, and swirls
Clutch Size1 to 4 egg(s)
Egg Laying MonthsSummer

Chick description

White to grey down with dark speckles.

Birding

Birding Facts

Interesting FactBoth male and female California Gulls incubate eggs.
Best Season to ObserveAutumnSummer
Observation TipsCalifornia Gulls are present near most large bodies of water in the Western Unites States.
Other NamesGoƩland de Californie, Gaviota Californiana

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