Sterna
i
2026-08-05: worms_id 137047 via WoRMS TSN crosswalk (status accepted)
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 keyed to it directly
Every observation under it belongs to one of the taxa under it — 3 taxa · Sterna paradisaea 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:176885")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:176885'").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 3 taxa · Sterna paradisaea most observed
- sp Sterna paradisaea Arctic Tern116
- sp Sterna hirundo Common Tern49
- sp Sterna forsteri Forster's Tern37
Lineage 10 ranks · Animalia to Laridae
Credits silhouette · photo · text
- Silhouette · Sharon Wegner-Larsen · CC0 1.0 · PhyloPic, drawn from Sterna dougallii · source
- Photo · melianie_max_and_asker · CC BY 4.0 · inat · source
- Text · Wikipedia, “Sterna” · CC BY-SA 4.0 · revision 1319561918
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 ↗