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

Gavia arctica

Arctic Loon

WoRMS 137186ITIS 174471key itis:174471
i

2026-08-05: worms_id 137186 via WoRMS TSN crosswalk (status accepted)

Silhouette · Andy Wilson · CC0 1.0 · PhyloPic, drawn from Gavia stellata

Size · not on record: no authority the fetcher reads carries a length for this taxon.

Arctic Loon (Gavia arctica) on Nest
Photo · Robert Bergman · Public domain · commons

The black-throated loon, also known as the Arctic loon and the black-throated diver, is a migratory aquatic bird found in the Northern Hemisphere, primarily breeding in freshwater lakes in northern Europe and Asia.W CalCOFI holds 143 observations of it in 1 dataset between 1987 and 2001.R

143
observations
143
records
143
sampling events
1987–2001
years
1
datasets

Observed in
i

One row per dataset, one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.

Groups

calcofi:seabirds

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
ERDDAPCalCOFI's own server, the Seabirds & Marine Mammals table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/farallon_bird-mammal.html?&taxon_key=%22itis:174471%22