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gptkbp:instance_of
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gptkb:species
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gptkbp:bfsLayer
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5
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gptkbp:bfsParent
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gptkb:Larus
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gptkbp:adaptation
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tolerant of human presence
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gptkbp:adult_plumage
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gray and white
brown and mottled
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gptkbp:behavior
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gregarious
aggressive during breeding
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gptkbp:breeding_season
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spring to summer
often in large groups
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gptkbp:clutch_size
|
2–4 eggs
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gptkbp:color
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white and gray
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gptkbp:common_name
|
gptkb:Glaucous-winged_Gull
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gptkbp:conservation_efforts
|
monitored by wildlife agencies
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
|
featured in local folklore
|
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gptkbp:diet
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omnivorous
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gptkbp:egg_color
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speckled brown
70–80 mm
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gptkbp:family
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gptkb:Laridae
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gptkbp:first_described_by
|
1852
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gptkbp:fledging_period
|
6–7 weeks
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gptkbp:foraging_behavior
|
scavenger
dive for fish
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gptkbp:genus
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gptkb:Larus
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gptkbp:habitat
|
coastal regions
islands and coastal areas
Alaska and British Columbia
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gptkbp:has_authority_over
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gptkb:Townsend
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Larus glaucescens
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gptkbp:incubation_period
|
28–30 days
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gptkbp:interacts_with
|
often scavenges from waste
often seen near fishing areas
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gptkbp:is_observed_in
|
common in range
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gptkbp:length
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50–66 cm
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gptkbp:migration
|
short distances
partial
depends on food availability
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gptkbp:nesting
|
gptkb:railway_station
varies by location
on the ground
grasses and seaweed
|
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gptkbp:population_trend
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gptkb:Professional_Wrestler
|
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gptkbp:predators
|
eagles
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gptkbp:range
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gptkb:North_America
|
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gptkbp:related_species
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gptkb:Larus_thayeri
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gptkbp:reproduction
|
monogamous
|
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gptkbp:research_interest
|
studied for behavior and ecology
|
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gptkbp:social_structure
|
loose flocks
|
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gptkbp:subspecies
|
none known
|
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gptkbp:territorial_behavior
|
defends nesting area
|
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gptkbp:threats
|
habitat loss
|
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gptkbp:type_of_care
|
both parents care
|
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gptkbp:vocalization
|
loud and harsh
|
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gptkbp:voice_actor
|
varied calls
|
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gptkbp:weight
|
800–1,200 g
|
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gptkbp:wingspan
|
127–150 cm
|
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gptkbp:wintering_range
|
Pacific Coast of the United States
|