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gptkbp:instance_of
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gptkb:species
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gptkbp:bfsLayer
|
6
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gptkbp:bfsParent
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gptkb:Leucophaeus
|
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gptkbp:adaptation
|
adaptable to urban areas
|
|
gptkbp:adult_plumage
|
brown mottled
white head and body
|
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gptkbp:behavior
|
gregarious
territorial during breeding
|
|
gptkbp:breeding_season
|
spring to summer
small colonies
|
|
gptkbp:calls_for
|
varied vocalizations
|
|
gptkbp:clutch_size
|
2–4 eggs
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gptkbp:color
|
gptkb:black
gray and white
|
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gptkbp:common_name
|
gptkb:Thayer's_Gull
|
|
gptkbp:conservation_efforts
|
monitoring populations
|
|
gptkbp:conservation_status
|
gptkb:Least_Concern
|
|
gptkbp:diet
|
omnivore
|
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gptkbp:distribution
|
coastal North America
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|
gptkbp:egg_color
|
pale blue or green
|
|
gptkbp:environmental_impact
|
affected by climate change
|
|
gptkbp:eye_color
|
dark brown
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gptkbp:family
|
gptkb:Laridae
|
|
gptkbp:first_described_by
|
1857
|
|
gptkbp:fledging_period
|
5–6 weeks
|
|
gptkbp:foraging_behavior
|
scavenging
opportunistic feeder
|
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gptkbp:genus
|
gptkb:Leucophaeus
|
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gptkbp:habitat
|
gptkb:North_America
coastal areas
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Leucophaeus thayeri
|
|
gptkbp:impact
|
habitat loss
|
|
gptkbp:incubation_period
|
28–30 days
|
|
gptkbp:length
|
50–60 cm
|
|
gptkbp:lifespan
|
10–20 years
|
|
gptkbp:migration
|
migratory
short to moderate
|
|
gptkbp:molt
|
annual
|
|
gptkbp:nesting
|
beaches
ground-nesting
grasses and seaweed
|
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gptkbp:order
|
gptkb:Charadriiformes
|
|
gptkbp:predators
|
eagles
foxes
|
|
gptkbp:related_species
|
gptkb:Larus_argentatus
gptkb:Larus_thayeri
|
|
gptkbp:social_structure
|
loose colonies
|
|
gptkbp:status
|
studied in avian ecology.
|
|
gptkbp:subspecies
|
none known
|
|
gptkbp:weight
|
800–1,200 g
|
|
gptkbp:wingspan
|
130–150 cm
|
|
gptkbp:wintering_range
|
gptkb:southern_United_States
|