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gptkbp:instance_of
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gptkb:bird
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gptkbp:bfsLayer
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5
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gptkbp:bfsParent
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gptkb:Northern_harrier
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gptkbp:aircraft_operated
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long and pointed
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gptkbp:behavior
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solitary or in pairs
territorial during breeding season
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gptkbp:breeding_season
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gptkb:hot_spring
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gptkbp:calls_for
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croaking sound
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gptkbp:clutch_size
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3-7 eggs
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gptkbp:color
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brown and cream
females larger than males
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gptkbp:conservation_status
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gptkb:Least_Concern
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gptkbp:cultural_significance
|
featured in folklore
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gptkbp:diet
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gptkb:bird
insects
small mammals
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gptkbp:distribution
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gptkb:Eurasia
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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:first_flight
|
gliding and flapping
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gptkbp:fledging_period
|
40-50 days
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gptkbp:foraging_behavior
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low flight over water
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gptkbp:genus
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gptkb:carnival
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gptkbp:habitat
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wetlands
Europe and Asia
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|
https://www.w3.org/2000/01/rdf-schema#label
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Marsh harrier
|
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gptkbp:hunting_technique
|
surprise attack
|
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gptkbp:incubation_period
|
30-32 days
|
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gptkbp:length
|
45-55 cm
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gptkbp:mating_system
|
aerial displays
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gptkbp:migration
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irregular
partial migrant
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gptkbp:nesting
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gptkb:railway_station
varies by region
reeds and grasses
|
|
gptkbp:population
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stable in some areas
|
|
gptkbp:population_trend
|
stable in many regions
|
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gptkbp:predators
|
larger birds of prey
|
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gptkbp:research_interest
|
ecology and behavior
|
|
gptkbp:social_structure
|
monogamous
|
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gptkbp:species
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gptkb:Circus_aeruginosus
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gptkbp:subspecies
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Circus aeruginosus harrieri
Circus aeruginosus spilonotus
Circus aeruginosus aeruginosus
|
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gptkbp:tail_type
|
long and square
|
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gptkbp:threats
|
habitat loss
|
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gptkbp:vision
|
excellent eyesight
|
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gptkbp:weight
|
500-1,000 g
|
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gptkbp:wingspan
|
110-130 cm
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gptkbp:wintering_range
|
Africa and southern Asia
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gptkbp:young
|
chicks
|