Black-headed Gull

GPTKB entity

Statements (53)
Predicate Object
gptkbp:instance_of gptkb:bird
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Family_Laridae
gptkbp:adult_plumage brown mottled
white with black head
gptkbp:behavior social
gregarious
gptkbp:breeding_season spring to summer
aggressive towards intruders
gptkbp:calls_for laughing sound
gptkbp:clutch_size 2-4 eggs
gptkbp:color gptkb:white
black legs
brown head
gptkbp:common_name gptkb:Black-headed_Gull
gptkbp:conservation_status gptkb:Least_Concern
gptkbp:diet omnivore
gptkbp:distribution Europe, Asia, North Africa
gptkbp:egg_color speckled brown
gptkbp:family gptkb:Laridae
gptkbp:first_flight flapping and gliding
gptkbp:fledging_period 4 weeks
limited parental care
gptkbp:foraging_behavior dipping
scavenger
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