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gptkbp:instance_of
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gptkb:bird
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gptkbp:adaptations
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camouflage during hunting
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gptkbp:adult_plumage
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distinctive markings
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gptkbp:behavior
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diurnal hunter
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gptkbp:breeding_range
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gptkb:North_America
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gptkbp:breeding_season
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spring to summer
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gptkbp:call
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mewing sound
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gptkbp:color
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brown and white
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gptkbp:coloration
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sexual dimorphism
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gptkbp:common_name
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gptkb:Northern_Harrier
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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 wildlife conservation
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gptkbp:diet
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small mammals
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gptkbp:egg_color
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white or pale blue
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gptkbp:family
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gptkb:Accipitridae
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gptkbp:fledging_period
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about 40 days
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gptkbp:flight_style
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soaring and gliding
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gptkbp:foraging_behavior
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low flight over fields
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gptkbp:genus
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gptkb:circus
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gptkbp:habitat
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wetlands
grasslands and marshes
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gptkbp:head
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small and rounded
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|
https://www.w3.org/2000/01/rdf-schema#label
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The American Harrier
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gptkbp:hunting_technique
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surprise attacks
farmlands and wetlands
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gptkbp:incubation_period
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about 30 days
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gptkbp:length
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approximately 18 to 24 inches
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gptkbp:mating_system
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monogamous
aerial acrobatics
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gptkbp:migration
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partial migrant
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gptkbp:nest_material
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grasses and reeds
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gptkbp:nesting
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gptkb:ground
variable
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gptkbp:population_trend
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gptkb:stable
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gptkbp:predators
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larger birds of prey
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gptkbp:range
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gptkb:North_America
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gptkbp:related_species
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gptkb:Marsh_Harrier
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gptkbp:research_interest
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ecology and behavior
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gptkbp:social_behavior
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often seen alone
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gptkbp:social_structure
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solitary or in small groups
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gptkbp:species
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gptkb:Circus_hudsonius
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gptkbp:subspecies
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gptkb:Circus_hudsonius_cyaneus
gptkb:Circus_hudsonius_hudsonius
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gptkbp:tail_type
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long and narrow
long and graduated
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gptkbp:threats
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habitat loss
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gptkbp:vision
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excellent eyesight
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gptkbp:vocalization
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varied calls
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gptkbp:wing_configuration
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long and pointed
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gptkbp:wingspan
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approximately 3.5 feet
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gptkbp:wintering_range
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open fields and wetlands
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gptkbp:young
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fledglings
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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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