Anatidae
swans, geese & ducks
i
2026-08-05: worms_id 136973 via WoRMS TSN crosswalk (status accepted)
The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica.W CalCOFI holds 150 observations of it in 1 dataset between 1987 and 2022, across 3 taxa under it.R
- 150
- observations
- 150
- 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 — 2 taxa · Melanitta 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:174983")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:174983'").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).
Lineage 9 ranks · Animalia to Anseriformes
Credits silhouette · photo · text
- Silhouette · Gabriela Palomo-Munoz · CC BY-NC 3.0 · PhyloPic, drawn from Dendrocygna autumnalis · source
- Photo · Nigel Voaden · CC BY 4.0 · inat · source
- Text · Wikipedia, “Anatidae” · CC BY-SA 4.0 · revision 1372221350
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 ↗