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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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4
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gptkbp:bfsParent
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gptkb:Birds_of_America
gptkb:Family_Laridae
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gptkbp:adult_plumage
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brown and mottled
white with gray wings
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gptkbp:behavior
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gregarious
often seen in large flocks
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gptkbp:breeding_season
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spring to summer
often nests in colonies
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gptkbp:calls_for
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harsh, laughing sound
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gptkbp:clutch_size
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2–4 eggs
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gptkbp:color
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gptkb:white
yellow with a black ring
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
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symbol of coastal areas
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gptkbp:diet
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omnivore
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gptkbp:distribution
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widespread in North America
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gptkbp:egg_color
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speckled brown
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gptkbp:eye_color
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dark brown
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gptkbp:family
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gptkb:Laridae
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gptkbp:first_described_by
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1815
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gptkbp:fishing_regulations
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dive for fish
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gptkbp:fledging_period
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6–7 weeks
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gptkbp:foraging_behavior
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scavenger
often feeds near humans
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gptkbp:habitat
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gptkb:North_America
urban and rural areas
coastal areas
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|
https://www.w3.org/2000/01/rdf-schema#label
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Ring-billed Gull
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gptkbp:incubation_period
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28–30 days
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gptkbp:interacts_with
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common in urban areas
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gptkbp:is_observed_in
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common birdwatching target
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gptkbp:length
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40–50 cm
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gptkbp:lifespan
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10–15 years
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gptkbp:mating_system
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aerial displays
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gptkbp:migration
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migratory
late summer to early fall
up to 1,500 miles
south for winter
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gptkbp:nesting
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ground-nester
near water bodies
grasses and debris
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gptkbp:order
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gptkb:Charadriiformes
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gptkbp:predators
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eagles
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gptkbp:related_species
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gptkb:Herring_Gull
gptkb:California_Gull
gptkb:Western_Gull
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gptkbp:scientific_name
|
gptkb:Larus_delawarensis
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gptkbp:size
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600–1,200 g
400–800 g
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gptkbp:social_structure
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hierarchical
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gptkbp:subspecies
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gptkb:Larus_delawarensis_delawarensis
gptkb:Larus_delawarensis_californicus
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gptkbp:territorial_behavior
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defends nesting area
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gptkbp:threats
|
habitat loss
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gptkbp:type_of_care
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dependent on parents
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gptkbp:vocalization
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varied calls
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gptkbp:weight
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300–1,000 g
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gptkbp:wingspan
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120–140 cm
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