Circus aeruginosus aeruginosus

GPTKB entity

Properties (52)
Predicate Object
gptkbp:instanceOf bird
gptkbp:adultPlumage more mottled and less distinct
distinctive and patterned
gptkbp:airlines gliding and soaring
gptkbp:behavior often seen hovering
gptkbp:breedingSeason March to August
reed beds
aerial displays by males
gptkbp:colors yellow
dark
dark brown with lighter head
gptkbp:commonName gptkb:Western_Marsh_Harrier
gptkbp:conservationEfforts Least Concern
gptkbp:culturalSignificance symbol of wetland conservation
gptkbp:diet small mammals
gptkbp:distribution gptkb:Eurasia
gptkbp:eggColor white to pale blue
50-60 mm
gptkbp:family Accipitridae
gptkbp:fledgingPeriod 30-40 days
gptkbp:foragingBehavior hunting from the air
gptkbp:genus Circus
gptkbp:habitat wetlands
prefers open areas near water
gptkbp:hasAuthorityOver Linnaeus,_1758
gptkbp:hasCitations adapted to hunting in wetlands
gptkbp:headlights long and square
https://www.w3.org/2000/01/rdf-schema#label Circus aeruginosus aeruginosus
gptkbp:launchDate 30-32 days
gptkbp:length 45-55 cm
gptkbp:localNames gptkb:Marsh_Harrier
gptkbp:migration partial migrant
gptkbp:nesting April to June
ground
made of reeds and grasses
gptkbp:order gptkb:Accipitriformes
gptkbp:populationTrend stable
gptkbp:predators larger birds of prey
gptkbp:relatedTo Circus cyaneus
gptkbp:reproduction clutch size 3-6 eggs
gptkbp:seasonalActivities marshes and wetlands
gptkbp:skin yellowish
gptkbp:socialStructure solitary or in pairs
gptkbp:subspecies Circus_aeruginosus_harrier
gptkbp:territory defends nesting area
gptkbp:threats habitat loss
gptkbp:vocalization croaking calls
gptkbp:weight 600-1200 g
400-800 g
gptkbp:wingArea long and pointed
gptkbp:wingspan brown and cream
120-140 cm