gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
|
4
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gptkbp:bfsParent
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gptkb:Family_Laridae
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gptkbp:adult_plumage
|
brown mottled
white with black head
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gptkbp:behavior
|
social
gregarious
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gptkbp:breeding_season
|
spring to summer
aggressive towards intruders
|
gptkbp:calls_for
|
laughing sound
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gptkbp:clutch_size
|
2-4 eggs
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gptkbp:color
|
gptkb:white
black legs
brown head
|
gptkbp:common_name
|
gptkb:Black-headed_Gull
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:diet
|
omnivore
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gptkbp:distribution
|
Europe, Asia, North Africa
|
gptkbp:egg_color
|
speckled brown
|
gptkbp:family
|
gptkb:Laridae
|
gptkbp:first_flight
|
flapping and gliding
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gptkbp:fledging_period
|
4 weeks
limited parental care
|
gptkbp:foraging_behavior
|
dipping
scavenger
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gptkbp:habitat
|
wetlands
up to 1000 pairs
|
https://www.w3.org/2000/01/rdf-schema#label
|
Black-headed Gull
|
gptkbp:incubation_period
|
about 3 weeks
|
gptkbp:interacts_with
|
common in urban areas
|
gptkbp:length
|
32–38 cm
|
gptkbp:lifespan
|
10-15 years
|
gptkbp:mating_system
|
displays
|
gptkbp:migration
|
migratory
autumn and spring
short-distance migrator
|
gptkbp:nesting
|
variable
grasses
ground-nester
on the ground
|
gptkbp:order
|
gptkb:Charadriiformes
|
gptkbp:predators
|
foxes
|
gptkbp:scientific_name
|
gptkb:Chroicocephalus_ridibundus
|
gptkbp:social_structure
|
colonial breeder
|
gptkbp:subspecies
|
gptkb:Chroicocephalus_ridibundus_heuglini
gptkb:Chroicocephalus_ridibundus_mewsi
gptkb:Chroicocephalus_ridibundus_patagonicus
gptkb:Chroicocephalus_ridibundus_ridibundus
|
gptkbp:threats
|
habitat loss
|
gptkbp:vocalization
|
varied calls
|
gptkbp:weight
|
200–400 g
|
gptkbp:wingspan
|
80–100 cm
|
gptkbp:wintering_range
|
coastal areas
|