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gptkbp:instance_of
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gptkb:bird
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gptkbp:behavior
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Hunting in open areas
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gptkbp:breeding_behavior
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Varies by location
Monogamous during breeding season
Estimated in thousands
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gptkbp:breeding_range
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Moors and heathlands
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gptkbp:breeding_season
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March to August
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gptkbp:call
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High-pitched whistle
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gptkbp:climate_impact
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Affected by climate change.
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gptkbp:clutch_size
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3 to 6 eggs
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gptkbp:coloration
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Brown and white
Brown with streaks
Slate gray
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gptkbp:conservation_efforts
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Protected under various laws
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_representation
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Featured in folklore and art
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gptkbp:cultural_significance
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Symbol of wildlife conservation
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gptkbp:death
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Depends on food availability
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gptkbp:diet
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Small mammals
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gptkbp:egg_color
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Cream or pale brown
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gptkbp:family
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gptkb:Accipitridae
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gptkbp:fledging_period
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40 to 50 days
Parents care for fledglings
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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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Hunts by hovering
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gptkbp:genus
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gptkb:circus
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gptkbp:habitat
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Wetlands
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gptkbp:habitat_preference
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Open grasslands and moors
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https://www.w3.org/2000/01/rdf-schema#label
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Hen Harrier
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gptkbp:hunting_technique
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Stalking and ambushing
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gptkbp:incubation_period
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30 to 32 days
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gptkbp:is_recognized_by
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Long wings and tail
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gptkbp:length
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43 to 51 cm
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gptkbp:local_names
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Marsh Harrier in some regions
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gptkbp:migration
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Partial
Varies by individual
Some migrate south in winter
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gptkbp:nest_material
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Grass and reeds
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gptkbp:nesting
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Affected by predation
Builds nests on the ground
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gptkbp:nesting_site
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Ground
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gptkbp:population_trend
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Declining in some areas
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gptkbp:predators
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Larger birds of prey
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gptkbp:range
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Eurasia and North America
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gptkbp:related_species
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gptkb:Marsh_Harrier
gptkb:Montagu's_Harrier
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gptkbp:research
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Hunting by gliding
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gptkbp:research_importance
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Studied for ecological impact
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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:Circus_cyaneus
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gptkbp:subspecies
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gptkb:Circus_cyaneus_cyaneus
gptkb:Circus_cyaneus_hudsonius
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gptkbp:territorial_behavior
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Defends nesting territory
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gptkbp:threats
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Persecution
Habitat loss
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gptkbp:weight
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300 to 600 g
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gptkbp:wildlife
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Popular among birdwatchers
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gptkbp:wingspan
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110 to 130 cm
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gptkbp:bfsParent
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gptkb:Northern_Harrier
gptkb:Harrier_family
gptkb:hen_harrier
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gptkbp:bfsLayer
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6
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