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gptkbp:instanceOf
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gptkb:bird
gptkb:species
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gptkbp:aggression
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kleptoparasitism
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gptkbp:alternativeName
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gptkb:Pomarine_Skua
gptkb:Pomatorhine_Skua
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gptkbp:breedingRange
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Arctic regions
tropical and temperate oceans
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gptkbp:breedingSeason
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gptkb:grass
June to August
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gptkbp:callsign
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harsh, gull-like
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gptkbp:clutchSize
|
2 eggs
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gptkbp:commonName
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gptkb:Pomarine_Skua
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gptkbp:conservationStatus
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Least Concern
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gptkbp:diet
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gptkb:fish
birds
carrion
small mammals
eggs
invertebrates
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gptkbp:distribution
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circumpolar
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gptkbp:eggColor
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olive-brown with spots
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gptkbp:family
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gptkb:Stercorariidae
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gptkbp:firstDescribed
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gptkb:Temminck
1815
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gptkbp:fledgingPeriod
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25–30 days
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gptkbp:foragingBehavior
|
piracy of food from other birds
direct hunting
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gptkbp:genus
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gptkb:Stercorarius
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|
https://www.w3.org/2000/01/rdf-schema#label
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Pomarine Jaeger
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gptkbp:incubationPeriod
|
24–28 days
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gptkbp:IUCNStatus
|
LC
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gptkbp:length
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46–67 cm
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gptkbp:lifespan
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up to 25 years
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gptkbp:migratory
|
true
long distances
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gptkbp:nestType
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ground nest
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gptkbp:notableFeature
|
spoon-shaped central tail feathers in adults
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gptkbp:order
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gptkb:Charadriiformes
|
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gptkbp:plumage
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variable, with light, dark, and intermediate morphs
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gptkbp:predators
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gptkb:deer
gptkb:fish
insects
rodents
large gulls
small birds
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gptkbp:scientificName
|
gptkb:Stercorarius_pomarinus
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gptkbp:sexualDimorphism
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minimal
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gptkbp:tailLength
|
spoon-shaped central tail feathers
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gptkbp:weight
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540–920 g
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gptkbp:wingspan
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110–138 cm
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gptkbp:bfsParent
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gptkb:Boundary_Bay_Wildlife_Management_Area
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gptkbp:bfsLayer
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7
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