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Snapshot
Primary Traits
442 g
0 m - 2,500 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Circus cyaneus
English name
Hen Harrier
Order
Accipitriformes
Family
Accipitridae
Genus
Circus
Species
cyaneus
Data source
HBW2, BOTW, D23
Record section
Conservation and Range
Threat status and geographic distribution signals.
Conservation status
Least Concern
Range restricted
No
Island endemic
No
Biogeographic realm
Cosmopolitan
Latitudinal zone
Tropical-Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
370 g
Maximum female mass
708 g
Minimum male mass
290 g
Maximum male mass
400 g
Minimum unsexed mass
No data
Maximum unsexed mass
No data
Average mass
442 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
2,500 m
Maximum elevation
No data
Elevation range
2,500 m
Typical elevation
1,250 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Grassland
Habitat breadth
5
Primary diet
Vertebrate
Diet breadth
4
Diet specialization index
0.7
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial, Social
Mating system
Polygynous
Cooperative breeding
No data
Nest type
Mound
Nest substrate
Shrub/Bush/Vine, Ground
Minimum broods per year
1
Maximum broods per year
1
Minimum clutch size
1
Maximum clutch size
7
Incubating sex
Female
Minimum incubation period
29 d
Maximum incubation period
31 d
Minimum fledging period
29 d
Maximum fledging period
38 d
Nest parasitism
No data
Average clutch size
4
Average fledging period
33.5 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory