gptkbp:instanceOf
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gptkb:bird
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gptkbp:billColor
|
red
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gptkbp:clutchSize
|
4 to 8 eggs
|
gptkbp:conservationThreats
|
habitat loss
pollution
introduced predators
|
gptkbp:culture
|
symbol of rarity (Black Swan theory)
|
gptkbp:cygnetsColor
|
grey
|
gptkbp:diet
|
aquatic plants
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gptkbp:family
|
gptkb:Anatidae
|
gptkbp:featuredIn
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gptkb:coat_of_arms_of_Western_Australia
gptkb:flag_of_Western_Australia
|
gptkbp:firstDescribed
|
gptkb:John_Latham
1790
|
gptkbp:flightlessPeriod
|
about one month during molt
|
gptkbp:genus
|
gptkb:Cygnus
|
gptkbp:habitat
|
gptkb:wetlands
lakes
rivers
|
https://www.w3.org/2000/01/rdf-schema#label
|
Black Swans
|
gptkbp:incubationPeriod
|
35 to 40 days
|
gptkbp:introduced
|
gptkb:Europe
gptkb:New_Zealand
gptkb:North_America
|
gptkbp:IUCNStatus
|
Least Concern
|
gptkbp:length
|
110 to 142 cm
|
gptkbp:lifespan
|
up to 40 years in captivity
|
gptkbp:migratory
|
partially migratory
|
gptkbp:molting
|
lose all flight feathers at once
|
gptkbp:nativeTo
|
gptkb:Australia
|
gptkbp:nesting
|
builds large nests near water
|
gptkbp:notableFeature
|
monogamous pairs
territorial during breeding
synchronous swimming
|
gptkbp:order
|
gptkb:Anseriformes
|
gptkbp:parentalCare
|
both parents care for young
|
gptkbp:plumage
|
black
|
gptkbp:population
|
gptkb:standard
|
gptkbp:predators
|
eagles
foxes
large reptiles
|
gptkbp:scientificName
|
gptkb:Cygnus_atratus
|
gptkbp:sexualDimorphism
|
minimal
|
gptkbp:symbol
|
gptkb:Western_Australia
|
gptkbp:vocalization
|
musical bugling
|
gptkbp:weight
|
3.7 to 9 kg
|
gptkbp:wingspan
|
1.6 to 2 meters
|
gptkbp:bfsParent
|
gptkb:Eve_Babitz
|
gptkbp:bfsLayer
|
6
|