|
gptkbp:instanceOf
|
gptkb:bird
|
|
gptkbp:aggression
|
kleptoparasitism
|
|
gptkbp:breedingRange
|
coastal Arctic Eurasia
coastal Arctic North America
|
|
gptkbp:breedingSeason
|
gptkb:grass
|
|
gptkbp:callsign
|
harsh, gull-like
|
|
gptkbp:clutchSize
|
2 eggs
|
|
gptkbp:commonName
|
gptkb:Pomarine_jaeger
|
|
gptkbp:conservationStatus
|
Least Concern
|
|
gptkbp:diet
|
gptkb:carnivore
gptkb:fish
birds
small mammals
eggs
|
|
gptkbp:distribution
|
Arctic regions
|
|
gptkbp:eggColor
|
olive-brown with spots
|
|
gptkbp:family
|
gptkb:Stercorariidae
|
|
gptkbp:firstDescribed
|
gptkb:Johann_Reinhold_Forster
1781
|
|
gptkbp:fledgingPeriod
|
28–38 days
|
|
gptkbp:flightNumber
|
strong, direct
|
|
gptkbp:genus
|
gptkb:Stercorarius
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pomarine skua
|
|
gptkbp:incubationPeriod
|
25–28 days
|
|
gptkbp:IUCNStatusSystem
|
gptkb:IUCN3.1
|
|
gptkbp:length
|
45–58 cm
|
|
gptkbp:lifespan
|
up to 25 years
|
|
gptkbp:migratory
|
true
trans-equatorial
|
|
gptkbp:molting
|
post-breeding
|
|
gptkbp:movedTo
|
southern oceans in winter
|
|
gptkbp:nestDefense
|
aggressive against intruders
|
|
gptkbp:nestType
|
ground nest
|
|
gptkbp:notableFeature
|
spoon-shaped central tail feathers in adults
piracy of food from other seabirds
|
|
gptkbp:order
|
gptkb:Charadriiformes
|
|
gptkbp:plumage
|
variable, dark and light morphs
|
|
gptkbp:predators
|
foxes
large gulls
lemmings (in breeding season)
|
|
gptkbp:scientificName
|
gptkb:Stercorarius_pomarinus
|
|
gptkbp:sexualDimorphism
|
minimal
|
|
gptkbp:similarTo
|
gptkb:Arctic_skua
gptkb:Long-tailed_skua
|
|
gptkbp:tailLength
|
twisted central tail feathers in breeding adults
|
|
gptkbp:weight
|
540–920 g
|
|
gptkbp:wingspan
|
110–138 cm
|
|
gptkbp:winteringRange
|
tropical oceans
temperate oceans
|
|
gptkbp:bfsParent
|
gptkb:Runde
|
|
gptkbp:bfsLayer
|
7
|