Statements (65)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:bird
|
| gptkbp:bfsLayer |
5
|
| gptkbp:bfsParent |
gptkb:Northern_Harrier
gptkb:hen_harrier |
| gptkbp:adult_plumage |
darker and more mottled
|
| gptkbp:aircraft_operated |
long and narrow wings
|
| gptkbp:behavior |
diurnal
solitary or in pairs |
| gptkbp:breeding_season |
spring to summer
|
| gptkbp:calls_for |
mewing sound
|
| gptkbp:clutch_size |
3 to 7 eggs
|
| gptkbp:color |
brown and white
sexual dimorphism present varies with age and season |
| gptkbp:common_name |
gptkb:Northern_Harrier
|
| gptkbp:conservation_efforts |
habitat protection initiatives
|
| gptkbp:conservation_status |
gptkb:Least_Concern
|
| gptkbp:cultural_significance |
symbol of freedom
|
| gptkbp:diet |
small mammals
|
| gptkbp:egg_color |
white or pale blue
|
| gptkbp:family |
gptkb:Accipitridae
|
| gptkbp:first_flight |
low and gliding
|
| gptkbp:fledging_period |
about 6 weeks
|
| gptkbp:foraging_behavior |
hunting from the air
prefers voles and mice |
| gptkbp:genus |
gptkb:carnival
|
| gptkbp:habitat |
wetlands
North America and parts of Europe prefers open habitats with cover. |
| https://www.w3.org/2000/01/rdf-schema#label |
Marsh Hawk
|
| gptkbp:hunting_technique |
early morning and late afternoon
open fields and marshes uses low flight to surprise prey |
| gptkbp:impact |
habitat loss due to development
|
| gptkbp:incubation_period |
about 30 days
|
| gptkbp:lifespan |
up to 10 years in the wild
|
| gptkbp:mating_system |
aerial displays and calls
|
| gptkbp:migration |
up to 1,000 miles
migratory bird tracked using satellite technology moves south in winter |
| gptkbp:nesting |
gptkb:railway_station
grasses and reeds in tall grass or reeds returns to same nesting site annually |
| gptkbp:predators |
larger birds of prey
raccoons and foxes |
| gptkbp:range |
gptkb:North_America
|
| gptkbp:related_species |
other harriers
|
| gptkbp:reproduction |
lays 3-7 eggs
|
| gptkbp:research_interest |
studied for ecological role
|
| gptkbp:size |
1.5 to 2.5 pounds
approximately 18-24 inches |
| gptkbp:species |
gptkb:Circus_cyaneus
|
| gptkbp:subspecies |
gptkb:Circus_cyaneus_cyaneus
gptkb:Circus_cyaneus_hudsonius gptkb:Circus_cyaneus_rufus |
| gptkbp:succeeded_by |
varies by environmental conditions
|
| gptkbp:tail_type |
long and tapered tail
|
| gptkbp:territorial_behavior |
defends nesting area
|
| gptkbp:vision |
excellent eyesight
|
| gptkbp:vocalization |
varied calls during courtship
|
| gptkbp:wildlife |
popular among birdwatchers
|
| gptkbp:wingspan |
approximately 3.5 feet
|
| gptkbp:wintering_range |
southern United States and Mexico
|