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Snapshot
Primary Traits
470.5 g
0 m - 2,400 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Circus hudsonius
English name
Northern Harrier
Order
Accipitriformes
Family
Accipitridae
Genus
Circus
Species
hudsonius
Data source
BOTW, D07
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
NL
Latitudinal zone
Tropical-Polar
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
375 g
Maximum female mass
752 g
Minimum male mass
283 g
Maximum male mass
472 g
Minimum unsexed mass
No data
Maximum unsexed mass
No data
Average mass
470.5 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
2,400 m
Maximum elevation
2,800 m
Elevation range
2,400 m
Typical elevation
1,200 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Wetland
Habitat breadth
5
Primary diet
Vertebrate
Diet breadth
2
Diet specialization index
1
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
No data
Mating system
Monogamous, Polygynous
Cooperative breeding
Solitary breeder
Nest type
No data
Nest substrate
Ground
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
3
Maximum clutch size
7
Incubating sex
Female
Minimum incubation period
30 d
Maximum incubation period
32 d
Minimum fledging period
46 d
Maximum fledging period
67 d
Nest parasitism
Victim of Parasitism
Average clutch size
5
Average fledging period
56 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Partial Migrant