Leucophaeus
i
2026-08-06: worms_id 1471549 via WoRMS TSN crosswalk (status accepted)
Leucophaeus is a small genus of medium-sized New World gulls, most of which are dark in plumage, usually with white crescents above and below the eyes. They were placed in the genus Larus until recently.W CalCOFI holds 20 observations of it in 1 dataset between 1988 and 2013, across 2 taxa under it.R
- 20
- observations
- 20
- records
- 1988–2013
- years
- 1
- datasets
- 1
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 2 taxa · Leucophaeus atricilla most observed, 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:823984")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:823984'").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 not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Under it 2 taxa · Leucophaeus atricilla most observed
- sp Leucophaeus atricilla13
- sp Leucophaeus pipixcan Franklin's Gull7
Lineage 10 ranks · Animalia to Laridae
Credits silhouette · photo · text
- Silhouette · Kai Caspar · CC BY 4.0 · PhyloPic, drawn from Leucophaeus modestus · source
- Photo · Romi Galeota Lencina · CC BY 4.0 · inat · source
- Text · Wikipedia, “Leucophaeus” · CC BY-SA 4.0 · revision 1302685603
Elsewhere Wikidata · iNaturalist · GBIF
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 ↗