Species · accepted · checked 2026-08-05

Uria aalge

Common Murre

WoRMS 137133ITIS 176974key itis:176974

2026-08-05: worms_id 137133 via WoRMS TSN crosswalk (status accepted)

Silhouette · Carbo · CC0 1.0 · PhyloPic, drawn from Uria aalge

Common Murre43 cm

bongo net ring71 cm

max · sealifebase

Photograph of Uria aalge — Photo · Diego González Dopico · CC BY 4.0 · inat

The common murre or common guillemot is a large auk, one of several species called murre or guillemot. It has a circumpolar distribution, occurring in low-Arctic and boreal waters in the North Atlantic and North Pacific.W CalCOFI holds 926 observations of it in 1 dataset between 1987 and 2022.R

926
observations: 926
records: 926
sampling events: 1987–2022
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.

Seabirds & Marine Mammals 926 obs · 926 events · 1987–2022
name used: Uria aalge Common Murre · code COMU

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

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/.

Explorer db-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:176974%22

Uria aalge

How big is itiEvery mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Groups

Ways iniRead from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

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/.