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Species · accepted · checked 2026-08-05

Synthliboramphus hypoleucus

Guadalupe Murrelet

WoRMS 344122ITIS 177011key itis:177011
i

2026-08-05: worms_id 344122 via WoRMS TSN crosswalk (status accepted) 2026-09-04: worms_id 344122 matched by name "Synthliboramphus hypoleucus" 2026-09-04: itis_id 177011 via WoRMS external link

Silhouette · T. Michael Keesey · CC0 1.0 · PhyloPic, drawn from Miocepphus blowi

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

Photograph of Synthliboramphus hypoleucus
Photo · Adam J. Searcy · CC BY 4.0 · inat

The Guadalupe murrelet or Xantus's murrelet is a small seabird found in the California Current system in the Pacific Ocean. This auk breeds on islands off California and Mexico.W CalCOFI holds 274 observations of it in 1 dataset between 1987 and 2022.R

274
observations
274
records
274
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 274 obs · 274 events · 1987–2022
    name used: Synthliboramphus hypoleucus Guadalupe Murrelet · code GUMU

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:177011%22