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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
|
7
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gptkbp:bfsParent
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gptkb:Larus_glaucoides_thayeri
gptkb:Leucophaeus_thayeri
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gptkbp:adaptation
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adapted to urban environments
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gptkbp:adult_plumage
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white and gray
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gptkbp:behavior
|
gregarious
often seen in large flocks
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gptkbp:breeding_season
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May to July
estimated in thousands
lighter and more mottled
often in mixed colonies
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gptkbp:calls_for
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harsh and loud
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gptkbp:clutch_size
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2 to 4 eggs
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gptkbp:color
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varies with age
yellow with a dark tip
darker head and mantle
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gptkbp:conservation_efforts
|
monitored by bird organizations
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
|
featured in birdwatching
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gptkbp:diet
|
omnivore
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gptkbp:egg_color
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pale blue
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gptkbp:environmental_impact
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affected by climate change.
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gptkbp:eye_color
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dark brown
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gptkbp:family
|
gptkb:Laridae
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gptkbp:first_described_by
|
1857
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gptkbp:fledging_period
|
6 weeks
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gptkbp:foraging_behavior
|
scavenger
opportunistic feeder
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gptkbp:habitat
|
Arctic regions
coastal areas
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Thayer's Gull
|
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gptkbp:impact
|
habitat loss
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gptkbp:is_observed_in
|
common in some areas
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gptkbp:launch_date
|
downy and precocial
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|
gptkbp:length
|
50 cm
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|
gptkbp:lifespan
|
up to 20 years
|
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gptkbp:mating_system
|
displays and calls
|
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gptkbp:migration
|
migratory
depends on food availability
up to 3000 km
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gptkbp:name
|
difficult due to similar species
|
|
gptkbp:nesting
|
varies by location
ground-nester
grasses and seaweed
high in suitable areas
cliffs or islands
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gptkbp:order
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gptkb:Charadriiformes
|
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gptkbp:population_trend
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gptkb:Professional_Wrestler
|
|
gptkbp:predators
|
eagles
foxes and gulls
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gptkbp:range
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gptkb:North_America
|
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gptkbp:related_species
|
gptkb:Glaucous_Gull
gptkb:Iceland_Gull
|
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gptkbp:scientific_name
|
gptkb:Larus_thayeri
|
|
gptkbp:status
|
subject of ornithological studies
|
|
gptkbp:subspecies
|
none recognized
|
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gptkbp:succeeded_by
|
depends on environmental conditions
|
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gptkbp:territorial_behavior
|
defends nesting area
|
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gptkbp:vocalization
|
varied and complex
|
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gptkbp:was_marked_by
|
dark mantle and wings
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gptkbp:weight
|
1.2 kg
|
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gptkbp:wingspan
|
130 cm
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gptkbp:wintering_range
|
coastal areas of the United States
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