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Snapshot
Primary Traits
1,315 g
0 m
49
—
Record section
Identity and Taxonomy
Scientific identity, taxonomic placement, and source lineage.
Scientific name
Catharacta maccormicki
English name
South Polar Skua
Order
Charadriiformes
Family
Stercorariidae
Genus
Catharacta
Species
maccormicki
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
CZ
Latitudinal zone
Temperate-Polar
Record section
Measurements
Mass and elevation values from the stored record.
Minimum female mass
1,280 g
Maximum female mass
1,550 g
Minimum male mass
1,120 g
Maximum male mass
1,440 g
Minimum unsexed mass
900 g
Maximum unsexed mass
1,600 g
Average mass
1,315 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
3
Primary diet
Carnivore
Diet breadth
4
Diet specialization index
0.92
Record section
Behavior and Reproduction
Breeding, nesting, incubation, and social traits.
Social behavior
Colonial, Social
Mating system
No data
Cooperative breeding
No data
Nest type
Scrape
Nest substrate
No data
Minimum broods per year
No data
Maximum broods per year
No data
Minimum clutch size
1
Maximum clutch size
2
Incubating sex
No data
Minimum incubation period
28 d
Maximum incubation period
31 d
Minimum fledging period
36 d
Maximum fledging period
45 d
Nest parasitism
No data
Average clutch size
1.5
Average fledging period
40.5 d
Record section
Mobility and Flight
Flight ability and movement pattern.
Flight status
Flies
Mobility patterns
Migratory