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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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6
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gptkbp:bfsParent
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gptkb:Eastern_Gull
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gptkbp:adult_plumage
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white with gray wings
acquired after 3 years
brown mottled feathers
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gptkbp:behavior
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gregarious
often follows boats
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gptkbp:breeding_season
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spring to summer
forms colonies
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gptkbp:calls_for
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varied vocalizations
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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:yellow
white and gray
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gptkbp:common_name
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gptkb:Smithsonian_gull
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gptkbp:conservation_efforts
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monitored by wildlife organizations
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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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featured in local folklore
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gptkbp:diet
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omnivorous
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gptkbp:distribution
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gptkb:North_America
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gptkbp:egg_color
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speckled
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gptkbp:environmental_impact
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sensitive to climate change
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gptkbp:family
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gptkb:Laridae
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gptkbp:first_described_by
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by John James Audubon
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gptkbp:fledging_period
|
4-5 weeks
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gptkbp:foraging_behavior
|
forages in groups
scavenging
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gptkbp:genus
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gptkb:Larus
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gptkbp:habitat
|
coastal regions
marine environments
islands and coastal areas
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|
https://www.w3.org/2000/01/rdf-schema#label
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Larus smithsonianus
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gptkbp:interacts_with
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often seen near fishing areas
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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
|
displays and calls
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gptkbp:migration
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migratory
up to 2000 km
coastal migration
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gptkbp:nesting
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ground-nesting
April to July
grasses and seaweed
on cliffs or sandy beaches
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gptkbp:predators
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larger birds of prey
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gptkbp:related_species
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gptkb:Larus_delawarensis
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gptkbp:social_structure
|
flocks
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gptkbp:status
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subject of ornithological studies
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gptkbp:subspecies
|
none known
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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:vocalization
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loud and harsh calls
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gptkbp:weight
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500-800 g
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gptkbp:wingspan
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100-120 cm
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