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gptkbp:instance_of
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gptkb:subspecies
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gptkbp:bfsLayer
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5
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gptkbp:bfsParent
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gptkb:Black-headed_Gull
gptkb:Common_Black-headed_Gull
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gptkbp:adaptation
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adapted to urban areas
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gptkbp:aircraft_operated
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white with black tips
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gptkbp:behavior
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gregarious
often seen in groups
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gptkbp:belongs_to
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Chroicocephalus
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gptkbp:breeding_season
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gptkb:hot_spring
courtship displays
often nests in 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:black
white and brown
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gptkbp:common_name
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gptkb:Black-headed_gull
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gptkbp:conservation_efforts
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protected areas
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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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symbol of coastal areas
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gptkbp:diet
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omnivore
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gptkbp:egg_color
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speckled brown
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gptkbp:eye_color
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dark brown
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gptkbp:fledging_period
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4 weeks
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gptkbp:foraging_behavior
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diurnal
scavenger
opportunistic feeder
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gptkbp:habitat
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wetlands
coastal areas
lakes and rivers
coastal and inland waters
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|
https://www.w3.org/2000/01/rdf-schema#label
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Chroicocephalus ridibundus ridibundus
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gptkbp:interacts_with
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common in urban areas
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gptkbp:is_a
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gptkb:bird
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gptkbp:known_for
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distinctive head color
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gptkbp:launch_date
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altricial
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gptkbp:lifespan
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10 years
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gptkbp:mating_system
|
monogamous
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gptkbp:migration
|
partial migrant
short distances
autumn and spring
coastal routes
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gptkbp:native_to
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gptkb:Europe
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gptkbp:nesting
|
moderate
April to July
scrape on ground
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gptkbp:population_trend
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gptkb:Professional_Wrestler
|
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gptkbp:predators
|
larger birds
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gptkbp:related_species
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gptkb:Chroicocephalus_genei
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gptkbp:reproduction
|
lays eggs
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gptkbp:research_interest
|
studied for behavior and ecology
|
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gptkbp:seasonal_activities
|
migrates in winter
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gptkbp:social_structure
|
flocks
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gptkbp:subspecies
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gptkb:Chroicocephalus_ridibundus
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gptkbp:tail_type
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gptkb:white
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gptkbp:territorial_behavior
|
defends nesting area
|
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gptkbp:threats
|
habitat loss
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gptkbp:voice_actor
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calls and whistles
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gptkbp:weight
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250-350 g
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gptkbp:wingspan
|
100 cm
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