CalCOFI.io CalCOFI.io open data ecosystem
Genus · accepted · checked 2026-08-05

Rissa

WoRMS 137046ITIS 176806key itis:176806
i

2026-08-05: worms_id 137046 via WoRMS TSN crosswalk (status accepted)

Silhouette · Andy Wilson · CC0 1.0 · PhyloPic, drawn from Rissa tridactyla

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 Rissa
Photo · Donald Davesne · CC BY 4.0 · inat

The kittiwakes are two closely related seabird species in the gull family Laridae, the black-legged kittiwake and the red-legged kittiwake.W CalCOFI holds 834 observations of it in 1 dataset between 1987 and 2020.R

834
observations
834
records
1987–2020
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

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/.

Explorerdb-query
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "itis:176806")