Sterna dougallii arcticus

GPTKB entity

Statements (63)
Predicate Object
gptkbp:instanceOf species
gptkbp:adultPlumage brown and white
gray and white
gptkbp:aircraft white with black tips
gptkbp:averageLifespan 10 years
gptkbp:behavior social
gptkbp:breedingSeason spring
courtship displays
food availability
can exceed 100 pairs
Arctic_regions
gptkbp:callsFor trumpet-like
gptkbp:climate shifting ranges
gptkbp:clutchSize 1 to 3 eggs
gptkbp:colors white and gray
dark brown
red with black tip
gptkbp:conservationEfforts Least Concern
monitored populations
gptkbp:culturalSignificance symbol of coastal ecosystems
gptkbp:diet fish
gptkbp:eggColor speckled_brown
gptkbp:environmentalImpact sensitive to climate change
predator
gptkbp:fledgingPeriod 3 to 4 weeks
high in safe areas
gptkbp:foragingBehavior surface feeding
dive
gptkbp:geneticDiversity moderate
gptkbp:geographicalFeature gptkb:North_America
gptkbp:habitat important for survival
coastal regions
open water
beaches and estuaries
gptkbp:hasCitations foraging_strategies
gptkbp:hasLength 12 to 15 inches
gptkbp:hasPopulation stable
gptkbp:headlights white
gptkbp:healthcare both parents
https://www.w3.org/2000/01/rdf-schema#label Sterna dougallii arcticus
gptkbp:iceClass southern coasts
gptkbp:isA Common Tern
gptkbp:migration late summer
migratory
coastal routes
up to 2000 miles
gptkbp:nesting variable
ground-nesting
sandy beaches
May to July
human disturbance
large colonies
scrapes in sand
gptkbp:populationTrend varies by location
stable to increasing
gptkbp:predators gulls
gptkbp:reproduction monogamous
gptkbp:researchAreas studied species
gptkbp:socialResponsibility aggressive during nesting.
gptkbp:socialStructure colonial
gptkbp:threats habitat loss
gptkbp:vocalization distinctive calls
gptkbp:wingspan 30 to 35 inches