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gptkbp:instance_of
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gptkb:birds
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gptkbp:adaptation
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Camouflage in snow
Thick feathers for insulation
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gptkbp:behavior
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Foraging
Dust bathing
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gptkbp:breeding_season
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gptkb:spring
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gptkbp:chick_development
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Precocial
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gptkbp:climate_adaptation
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Cold weather adaptation
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gptkbp:coloration
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Seasonal plumage changes
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gptkbp:common_name
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gptkb:Rock_ptarmigan
gptkb:Willow_ptarmigan
gptkb:White-tailed_ptarmigan
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
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Hunting in some cultures
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gptkbp:diet
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gptkb:herbivore
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gptkbp:ecological_role
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Prey species
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gptkbp:egg_color
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Speckled brown
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gptkbp:family
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gptkb:Phasianidae
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gptkbp:foraging_behavior
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Scratching the snow
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gptkbp:fossil_record
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Ancient relatives found
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gptkbp:genus
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gptkb:Lagopus
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gptkbp:habitat
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gptkb:tundra
Open tundra
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gptkbp:hair_color
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Brown in summer
White in winter
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https://www.w3.org/2000/01/rdf-schema#label
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Ptarmigans
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gptkbp:hunting_technique
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Seasonal restrictions
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gptkbp:incubation_period
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21-25 days
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gptkbp:length
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30-40 cm
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gptkbp:lifespan
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3-5 years
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gptkbp:mating_system
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Monogamous
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gptkbp:migration
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Some species are migratory
Short-distance migratory behavior
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gptkbp:nest_location
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Under shrubs
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gptkbp:nesting
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Ground nests
Camouflaged nests
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gptkbp:population_trend
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gptkb:stable
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gptkbp:predators
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gptkb:Foxes
Birds of prey
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gptkbp:region
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Arctic and Subarctic regions
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gptkbp:reproduction
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Lay 5-12 eggs
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gptkbp:social_behavior
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Flock during winter
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gptkbp:social_structure
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Flocks
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gptkbp:sound
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Cackling calls
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gptkbp:subspecies
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gptkb:Lavos
gptkb:Lagopus_lagopus
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gptkbp:territorial_behavior
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Defend breeding territory
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gptkbp:threats
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Climate change
Habitat loss
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gptkbp:vision
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Good vision in low light
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gptkbp:weight
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0.5-1.5 kg
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gptkbp:wingspan
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60-70 cm
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gptkbp:bfsParent
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gptkb:Wrangell_Mountains
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gptkbp:bfsLayer
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5
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