Species · accepted · checked 2026-08-05

Fratercula corniculata

Horned Puffin

WoRMS 343903ITIS 177029key itis:177029

2026-08-05: worms_id 343903 via WoRMS TSN crosswalk (status accepted)

Silhouette · albertonykus · CC BY-SA 3.0 · PhyloPic, drawn from Fratercula arctica

Horned Puffin41 cm

bongo net ring71 cm

max · sealifebase

Horned Puffin, Fratercula corniculata — Photo · Vernon Byrd, USFWS · Public domain · commons

The horned puffin is an auk found in the North Pacific Ocean, including the coasts of Alaska, Siberia and British Columbia. It is a pelagic seabird that feeds primarily by diving for fish.W CalCOFI holds 2 observations of it in 1 dataset between 1988 and 1989.R

2
observations: 2
records: 2
sampling events: 1988–1989
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 2 obs · 2 events · 1988–1989
name used: Fratercula corniculata Horned Puffin · code HOPU

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:177029%22

Fratercula corniculata

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/.