Larus occidentalis

GPTKB entity

Statements (64)
Predicate Object
gptkbp:instance_of gptkb:species
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Western_gull
gptkbp:adaptation adapted to urban environments
gptkbp:adult_plumage brown and mottled
white with gray wings
gptkbp:author gptkb:John_James_Audubon
gptkbp:behavior gregarious
aggressive during breeding season
gptkbp:breeding_season monogamous pairs
large colonies
gptkbp:clutch_size 2–4 eggs
gptkbp:color white and gray
gptkbp:common_name gptkb:Western_Gull
gptkbp:conservation_efforts monitored by wildlife agencies
gptkbp:conservation_status gptkb:Least_Concern
gptkbp:cultural_significance symbol of coastal regions
gptkbp:diet omnivorous
gptkbp:ecological_role scavenger in ecosystems
gptkbp:egg_color speckled
gptkbp:environmental_impact affected by climate change
gptkbp:family gptkb:Laridae
gptkbp:first_described_by 1789
gptkbp:fishing_regulations dive and catch
gptkbp:fledging_period 6–7 weeks
gptkbp:foraging_behavior scavenging
opportunistic feeder
gptkbp:genus gptkb:Larus
gptkbp:habitat gptkb:North_America
coastal regions
beaches and cliffs
prefer sandy beaches.
https://www.w3.org/2000/01/rdf-schema#label Larus occidentalis
gptkbp:interacts_with often seen near fishing areas
often feeds near people
gptkbp:length 50–66 cm
gptkbp:lifespan 10–20 years
gptkbp:mating_system displays and calls
gptkbp:migration partial
depends on food availability
coastal migration
short to moderate distances
gptkbp:nesting spring to summer
varies by location
grasses and seaweed
on the ground or cliffs
gptkbp:population_trend gptkb:Professional_Wrestler
gptkbp:predators eagles and foxes
crows and gulls
gptkbp:range gptkb:North_America
gptkbp:related_species gptkb:Larus_argentatus
gptkb:Larus_marinus
gptkbp:research_interest studied for behavior and ecology
gptkbp:social_structure loose colonies
gptkbp:subspecies gptkb:Larus_occidentalis_occidentalis
gptkb:Larus_occidentalis_wymani
gptkbp:territorial_behavior defends nesting area
gptkbp:vocalization varied calls and sounds
gptkbp:voice_actor harsh calls
gptkbp:weight 1.0–2.0 kg
gptkbp:wildlife popular among birdwatchers
coastal development
eggs and chicks are vulnerable
gptkbp:wingspan 130–150 cm