|
gptkbp:instanceOf
|
bird
|
|
gptkbp:age
|
cygnets
|
|
gptkbp:averageTemperature
|
125 cm
|
|
gptkbp:breedingSeason
|
monogamous
variable
spring
head bobbing
Arctic_regions
|
|
gptkbp:clutchSize
|
3-8 eggs
|
|
gptkbp:colors
|
white
black
dark brown
|
|
gptkbp:conservationEfforts
|
Least Concern
habitat protection
monitoring populations
|
|
gptkbp:cookingMethod
|
daytime
|
|
gptkbp:culturalHeritage
|
white
|
|
gptkbp:culturalSignificance
|
symbol of beauty
featured in folklore
|
|
gptkbp:diet
|
herbivore
|
|
gptkbp:environmentalImpact
|
affects migration
|
|
gptkbp:family
|
Anatidae
|
|
gptkbp:fledgingPeriod
|
60-70 days
|
|
gptkbp:foragingBehavior
|
shallow waters
dabbling
|
|
gptkbp:habitat
|
wetlands
threat to population
|
|
gptkbp:hasExaminer
|
gray
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tundra Swan
|
|
gptkbp:humanInteraction
|
birdwatching
hunting regulations
|
|
gptkbp:iceClass
|
gptkb:North_America
|
|
gptkbp:incubationPeriod
|
29-32 days
|
|
gptkbp:migration
|
migratory
high altitudes
north-south
up to 3,000 km
|
|
gptkbp:nesting
|
ground nests
vegetation
near water
common issue
|
|
gptkbp:order
|
Anseriformes
|
|
gptkbp:populationTrend
|
stable
|
|
gptkbp:predators
|
eagles
foxes
|
|
gptkbp:relatedPatent
|
gptkb:Whooper_Swan
Black Swan
Mute Swan
|
|
gptkbp:scientificName
|
Cygnus columbianus
|
|
gptkbp:socialResponsibility
|
flocking
|
|
gptkbp:socialStructure
|
social birds
|
|
gptkbp:speed
|
up to 80 km/h
|
|
gptkbp:territory
|
during breeding season
|
|
gptkbp:voiceCast
|
trumpeting calls
|
|
gptkbp:weight
|
4-9 kg
|
|
gptkbp:wingspan
|
150-180 cm
|