Larus glaucoides
Iceland gull
i
2026-08-06: worms_id 137144 via WoRMS TSN crosswalk (status accepted)
The Iceland gull is a medium-sized gull that breeds in the Arctic regions of Canada and Greenland, but not in Iceland, where it is only seen during winter. The genus name is from Latin larus, which appears to have referred to a gull or other large seabird.W CalCOFI holds 30 observations of it in 1 dataset between 1988 and 2018.R
- 30
- observations
- 30
- records
- 1988–2018
- years
- 1
- datasets
- 64 cm
- max length
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 1 taxon, in the fold below.
Ways inExplorerdb-queryRPythonThis page as JSON
Code and endpoints R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "itis:176811")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:176811'").df()Read from taxa.json of release v2026.10.21, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it 64 cm max
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.
Under it 1 taxon
- ssp Larus glaucoides thayeri Thayer's Gull30
Lineage 11 ranks · Animalia to Larus
Credits silhouette · photo · text · length
- Silhouette · Sharon Wegner-Larsen · CC0 1.0 · PhyloPic, drawn from Larus argentatus · source
- Photo · MPF · CC BY-SA 3.0 · commons · source
- Text · Wikipedia, “Iceland gull” · CC BY-SA 4.0 · revision 1346733143
- Length · sealifebase
Elsewhere Wikidata · iNaturalist · GBIF · eBird
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.21
Cite the release, v2026.10.21; each dataset's own citation, licence and DOI are on its page. How to cite ↗