Black Swans

GPTKB entity

Statements (49)
Predicate Object
gptkbp:instanceOf gptkb:bird
gptkbp:billColor red
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
gptkbp:family gptkb:Anatidae
gptkbp:featuredIn 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