Species · accepted · checked 2026-08-05

Stercorarius maccormicki

South Polar Skua

WoRMS 422607ITIS 660062key itis:660062

2026-08-05: worms_id 422607 via WoRMS TSN crosswalk (status accepted)

Silhouette · albertonykus · CC BY-SA 3.0 · PhyloPic, drawn from Stercorarius antarcticus

South Polar Skua53 cm

bongo net ring71 cm

max · sealifebase

Photograph of Stercorarius maccormicki — Photo · Kimberley Collins · CC BY 4.0 · inat

The south polar skua is a large seabird in the skua family, Stercorariidae. An older name for the bird is MacCormick's skua, after explorer and naval surgeon Robert McCormick, who first collected the type specimen.W CalCOFI holds 53 observations of it in 1 dataset between 1987 and 2017.R

53
observations: 53
records: 53
sampling events: 1987–2017
years: 1
datasets

Observed in
i
One row per dataset, one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.

Seabirds & Marine Mammals 53 obs · 53 events · 1987–2017
name used: Stercorarius maccormicki South Polar Skua · code SPSK

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Groups

calcofi:seabirds

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

Explorer db-query

ERDDAPCalCOFI's own server, the Seabirds & Marine Mammals table constrained to this taxon

https://erddap.calcofi.io/erddap/tabledap/farallon_bird-mammal.html?&taxon_key=%22itis:660062%22

Stercorarius maccormicki

How big is itiEvery mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Groups

Ways iniRead from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.