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gptkbp:instance_of
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gptkb:species
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gptkbp:adaptations
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low flight for hunting
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gptkbp:adult_plumage
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brown and streaked
gray and brown
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gptkbp:aircraft_operated
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slow and steady
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gptkbp:behavior
|
territorial during breeding season
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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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March to August
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gptkbp:clutch_size
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3 to 7 eggs
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gptkbp:coloration
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brown and white
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gptkbp:common_name
|
gptkb:Northern_Harrier
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gptkbp:conservation_efforts
|
habitat protection
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:diet
|
small mammals
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gptkbp:egg_color
|
white to pale blue
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gptkbp:eye_color
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gptkb:yellow
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gptkbp:family
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gptkb:Accipitridae
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|
gptkbp:first_described_by
|
1819
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gptkbp:fledging_period
|
30 to 40 days
|
|
gptkbp:flight_style
|
low and gliding
|
|
gptkbp:foraging_behavior
|
hunting from the air
|
|
gptkbp:habitat
|
wetlands
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gptkbp:habitat_preference
|
marshes and grasslands
|
|
gptkbp:has_authority_over
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gptkb:Linnaeus
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Circus hudsonius cyaneus
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gptkbp:hunting_habitat
|
open fields
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gptkbp:hunting_technique
|
daytime
patrolling over fields
|
|
gptkbp:length
|
40 to 50 cm
|
|
gptkbp:local_names
|
gptkb:Marsh_Hawk
|
|
gptkbp:mating_system
|
aerial displays
|
|
gptkbp:migration
|
gptkb:southern_United_States
partial migrant
fall and spring
up to 2000 km
|
|
gptkbp:nest_material
|
grasses and reeds
|
|
gptkbp:nesting
|
builds nests on the ground
|
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gptkbp:nesting_site
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gptkb:ground
near water sources
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gptkbp:order
|
gptkb:Accipitriformes
|
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gptkbp:population_trend
|
gptkb:stable
|
|
gptkbp:predators
|
larger birds of prey
|
|
gptkbp:prey
|
voles
|
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gptkbp:range
|
gptkb:North_America
|
|
gptkbp:related_species
|
gptkb:Circus_cyaneus
|
|
gptkbp:reproduction
|
oviparous
|
|
gptkbp:research_importance
|
indicator species for wetland health
|
|
gptkbp:size
|
0.5 to 1.0 kg
0.3 to 0.6 kg
|
|
gptkbp:social_behavior
|
solitary or in pairs
|
|
gptkbp:subspecies
|
none known
|
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gptkbp:tail_type
|
long and square
|
|
gptkbp:territorial_call
|
loud calls during breeding season
|
|
gptkbp:threats
|
habitat loss
|
|
gptkbp:type_of_care
|
both parents care for young
|
|
gptkbp:vocalization
|
mewing calls
|
|
gptkbp:wing_configuration
|
long and narrow
|
|
gptkbp:wingspan
|
1.1 to 1.4 meters
|
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gptkbp:wintering_range
|
southern United States and Mexico
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gptkbp:bfsParent
|
gptkb:The_American_Harrier
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gptkbp:bfsLayer
|
6
|