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Snapshot
Primary Traits
1,370 g
0 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Catharacta skua
English name
Great Skua
Order
Charadriiformes
Family
Stercorariidae
Genus
Catharacta
Species
skua
Data source
HBW3, 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
Cosmopolitan
Latitudinal zone
Tropical-Temperate
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
1,409 g
Maximum female mass
No data
Minimum male mass
1,271 g
Maximum male mass
No data
Minimum unsexed mass
1,100 g
Maximum unsexed mass
1,700 g
Average mass
1,370 g
Minimum elevation
No data
Typical lower elevation
0 m
Typical upper elevation
0 m
Maximum elevation
No data
Elevation range
0 m
Typical elevation
0 m
Record section
Ecology
Habitat, diet, and specialization profile.
Primary habitat
Sea
Habitat breadth
2
Primary diet
Fish
Diet breadth
4
Diet specialization index
1.1
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial, Social
Mating system
Monogamous
Cooperative breeding
No data
Nest type
Scrape
Nest substrate
Ground
Minimum broods per year
1
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
2
Incubating sex
Both
Minimum incubation period
28 d
Maximum incubation period
32 d
Minimum fledging period
40 d
Maximum fledging period
50 d
Nest parasitism
No data
Average clutch size
1.5
Average fledging period
45 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory