gptkbp:instance_of
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gptkb:bird
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gptkbp:adult_plumage
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Acquired after 2 years
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gptkbp:aircraft_operated
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Slow and steady
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gptkbp:behavior
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Soars on thermals
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gptkbp:breeding_season
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March to August
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gptkbp:call
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A series of high-pitched whistles
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gptkbp:clutch_size
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2 to 4 eggs
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gptkbp:coloration
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Brown and streaked
Reddish-brown and white
Reddish-brown with white
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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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Symbol of the American West
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gptkbp:diet
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Small mammals
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gptkbp:distribution
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gptkb:North_America
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gptkbp:egg_color
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White with brown spots
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gptkbp:family
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gptkb:Accipitridae
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gptkbp:fledging_period
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6 to 7 weeks
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gptkbp:foraging_behavior
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Hunts from a perch
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gptkbp:genus
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gptkb:Buteo
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gptkbp:habitat
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Open grasslands
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https://www.w3.org/2000/01/rdf-schema#label
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The American Ferruginous Hawk
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gptkbp:hunting_technique
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Diurnal
Sit-and-wait
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gptkbp:incubation_period
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28 to 35 days
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gptkbp:length
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48 to 60 cm
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gptkbp:lifespan
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Up to 20 years in the wild
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gptkbp:mating_system
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Aerial displays by males
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gptkbp:migration
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Partial migrant
Some migrate south in winter
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gptkbp:nest_material
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Sticks and grasses
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gptkbp:nesting
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Built in trees or on cliffs
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gptkbp:nesting_site
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Usually on high ground
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gptkbp:population_trend
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Stable in many areas
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gptkbp:predators
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gptkb:Great_Horned_Owl
Aggressive towards intruders
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gptkbp:prey
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gptkb:Rabbits
gptkb:Prairie_dogs
Ground squirrels
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gptkbp:related_species
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gptkb:Rough-legged_Hawk
gptkb:Swainson's_Hawk
gptkb:Red-tailed_Hawk
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gptkbp:research
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Often seen perched on fence posts
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gptkbp:scientific_name
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gptkb:Buteo_regalis
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gptkbp:social_structure
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Solitary or in pairs
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gptkbp:species
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gptkb:Buteo_regalis
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gptkbp:subspecies
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None recognized
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gptkbp:tail_type
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Long and square
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gptkbp:territorial_behavior
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Highly territorial during breeding season
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gptkbp:threats
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Pesticides
Habitat loss
Human disturbance
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gptkbp:vocalization
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Chirps and whistles
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gptkbp:was_marked_by
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Large size and long wings
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gptkbp:weight
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1.5 to 2.5 kg
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gptkbp:wing_configuration
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Broad and long
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gptkbp:wingspan
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122 to 153 cm
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gptkbp:bfsParent
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gptkb:Madison_Grant
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gptkbp:bfsLayer
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5
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