CalCOFI.io CalCOFI.io open data ecosystem
Genus · accepted · checked 2026-08-06

Leucophaeus

WoRMS 1471549ITIS 823984key itis:823984
i

2026-08-06: worms_id 1471549 via WoRMS TSN crosswalk (status accepted)

Silhouette · Kai Caspar · CC BY 4.0 · PhyloPic, drawn from Leucophaeus modestus

Size · not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).

Photograph of Leucophaeus
Photo · Romi Galeota Lencina · CC BY 4.0 · inat

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 is keyed to this taxon directly — every observation under it belongs to one of the taxa below.

Under it · 2 taxa

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/.

Explorerdb-query
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "itis:823984")