CalCOFI.io CalCOFI.io open data ecosystem

Balaenopteridae

rorquals

Familyaccepted · checked 2026-08-05WoRMS 136979ITIS 180522key worms:136979
i

2026-08-05: itis_id 180522 via WoRMS external link

Rorquals are the largest group of baleen whales, comprising the family Balaenopteridae, which contains nine extant species in two genera.W CalCOFI holds 497 observations of it in 2 datasets between 1987 and 2022, across 5 taxa under it.R

497
observations
497
records
1987–2022
years
2
datasets
5
species under it
Photograph of Balaenopteridae
Photo · Etienne Boucher · CC BY-NC-SA 4.0 · inat NC

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 2 taxa · Balaenoptera most observed, in the fold below.

Ways inExplorerdb-queryRPythonThis page as JSON

Code and endpoints R · Python · JSON
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:136979")

Read from taxa.json of release v2026.10.20, 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 2 taxa · Balaenoptera most observed
Lineage 12 ranks · Biota to Mysticeti
Credits silhouette · photo · text
Elsewhere Wikidata · iNaturalist · GBIF

WikidataiNaturalistGBIF

The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.

Cite the release, v2026.10.20

Cite the release, v2026.10.20; each dataset's own citation, licence and DOI are on its page. How to cite ↗