Larus ridibundus

GPTKB entity

Statements (64)
Predicate Object
gptkbp:instance_of gptkb:species
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:Larus
gptkb:Western_black-headed_gull
gptkbp:adaptation adapted to urban environments
gptkbp:adult_plumage brown and mottled
white head in summer
gptkbp:behavior gregarious
often seen in large flocks
gptkbp:breeding_season spring to summer
colonial nester
high in suitable habitats
gptkbp:calls_for a variety of harsh calls
gptkbp:color white underparts
brown streaks on head in winter
white and grey with a black head in summer
gptkbp:common_name gptkb:Black-headed_gull
gptkbp:conservation_efforts protected in many regions
gptkbp:conservation_status gptkb:Least_Concern
gptkbp:cultural_significance featured in folklore
gptkbp:diet omnivore
gptkbp:distribution gptkb:Eurasia
gptkbp:egg_color pale blue or green
gptkbp:family gptkb:Laridae
gptkbp:fishing_regulations often follows fishing boats
gptkbp:fledging_period 4 weeks
gptkbp:foraging_behavior scavenger
forages in shallow water
gptkbp:habitat wetlands
coastal areas
coastal marshes
https://www.w3.org/2000/01/rdf-schema#label Larus ridibundus
gptkbp:interacts_with common in urban areas
known to steal food
gptkbp:length 38–44 cm
gptkbp:lifespan 10-15 years
gptkbp:mating_system displays and calls
gptkbp:migration partial migrant
varies by population
moves south in winter
gptkbp:molt annual molt after breeding season
gptkbp:nesting gptkb:railway_station
April to July
grasses and reeds
can be very high
defends nesting territory
gptkbp:order gptkb:Charadriiformes
gptkbp:population_trend stable in many areas
gptkbp:predators foxes
eggs and chicks are vulnerable
gptkbp:related_species gptkb:Larus_argentatus
gptkb:Larus_canus
gptkbp:research often seen near water bodies
gptkbp:social_structure hierarchical in feeding groups
gptkbp:subspecies gptkb:Larus_ridibundus_heuglini
gptkb:Larus_ridibundus_mewsi
gptkb:Larus_ridibundus_ridibundus
gptkbp:threats pollution
habitat loss
hunting
gptkbp:vocalization distinctive calls during breeding season
gptkbp:weight 250–350 g
gptkbp:wingspan 94–105 cm
gptkbp:wintering_range coastal areas and lakes