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
|