Species · accepted · checked 2026-08-05

Pterodroma longirostris

Stejneger's Petrel

WoRMS 343977ITIS 174582key itis:174582

2026-08-05: worms_id 343977 via WoRMS TSN crosswalk (status accepted)

Silhouette · Anthony Caravaggi · CC0 1.0 · PhyloPic, drawn from Pterodroma

Stejneger's Petrel26 cm

bongo net ring71 cm

max · sealifebase

Photograph of Pterodroma longirostris — Photo · Jeffrey H. Skevington · CC BY-NC 4.0 · gbif NC

Stejneger's petrel is a species of seabird belonging to the family Procellaridae, the gadfly petrels, shearwaters and related species. This species is found in the tropical and subtropical Pacific Ocean, although as a breeding bird it is restricted to the Juan Fernandez Islands of Chile.W CalCOFI holds 21 observations of it in 1 dataset between 1989 and 2009.R

21
observations: 21
records: 21
sampling events: 1989–2009
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 21 obs · 21 events · 1989–2009
name used: Pterodroma longirostris Stejneger's Petrel · code STPE

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:174582%22

Pterodroma longirostris

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/.