Genus · accepted · checked 2026-08-06
Chroicocephalus
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).
Chroicocephalus is a genus of medium to relatively small gulls which were included in the genus Larus until genetic evidence published in 2005 showed that Larus as then constituted was paraphyletic. Ten species are currently accepted.W CalCOFI holds 643 observations of it in 1 dataset between 1987 and 2022.R
- 643
- observations
- 643
- records
- 1987–2022
- years
- 1
- datasets
Observed in
Nothing is keyed to this taxon directly — every observation under it belongs to one of the taxa below.
Under it · 1 taxon
- sp Chroicocephalus philadelphia Bonaparte's Gull643
Ways ini
Read from taxa.json of release
v2026.09.11, written at release
by calcofi4db::build_taxa_catalog(). The catalog's index is
/species/.
Explorerdb-queryi
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
R
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "itis:823978")
Python
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:823978'").df()JSONthis taxon's entry of the release record, verbatim
https://calcofi.io/species/itis-823978.json