Genus · accepted · checked 2026-08-05

Sterna

WoRMS 137047ITIS 176885key itis:176885

2026-08-05: worms_id 137047 via WoRMS TSN crosswalk (status accepted)

Silhouette · Sharon Wegner-Larsen · CC0 1.0 · PhyloPic, drawn from Sterna dougallii

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 Sterna — Photo · melianie_max_and_asker · CC BY 4.0 · inat

Sterna is a genus of terns in the bird family Laridae. The genus used to encompass most "white" terns indiscriminately, but mtDNA sequence comparisons have determined that this arrangement was paraphyletic.W CalCOFI holds 202 observations of it in 1 dataset between 1987 and 2022, across 3 taxa under it.R

202
observations: 202
records: 1987–2022
years: 1
datasets: 3
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 · 3 taxa

sp Sterna paradisaea Arctic Tern116
sp Sterna hirundo Common Tern49
sp Sterna forsteri Forster's Tern37

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

library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "itis:176885")

Sterna

Observed in

Under it · 3 taxa

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

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/.