Pterodroma
i
2026-08-05: worms_id 137064 via WoRMS TSN crosswalk (status accepted)
The gadfly petrels or Pterodroma are a genus of about 35 species of petrels, part of the seabird order Procellariiformes. The gadfly petrels are named for their speedy weaving flight, as if evading gadflies (horseflies).W CalCOFI holds 2,110 observations of it in 1 dataset between 1987 and 2022, across 8 taxa under it.R
- 2,110
- observations
- 2,110
- records
- 1987–2022
- years
- 1
- datasets
- 8
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 8 taxa · Pterodroma cookii most observed, in the fold below.
Ways inExplorerdb-queryRPythonThis page as JSON
Code and endpoints R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "itis:174566")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'itis:174566'").df()Read from taxa.json of release v2026.10.21, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Under it 8 taxa · Pterodroma cookii most observed
- sp Pterodroma cookii Cook's Petrel1,931
- sp Pterodroma ultima Murphy's Petrel130
- sp Pterodroma longirostris Stejneger's Petrel21
- sp Pterodroma inexpectata Mottled Petrel12
- sp Pterodroma neglecta Kermadec Petrel7
- sp Pterodroma sandwichensis Hawaiian Petrel6
- sp Pterodroma solandri Solander's/Providence Petrel2
- sp Pterodroma externa Juan Fernandez Petrel1
Lineage 10 ranks · Animalia to Procellariidae
Credits silhouette · photo · text
- Silhouette · Anthony Caravaggi · CC0 1.0 · PhyloPic, drawn from Pterodroma · source
- Photo · Adam J. Searcy · CC BY 4.0 · inat · source
- Text · Wikipedia, “Gadfly petrel” · CC BY-SA 4.0 · revision 1350946384
Elsewhere Wikidata · iNaturalist · GBIF
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.21
Cite the release, v2026.10.21; each dataset's own citation, licence and DOI are on its page. How to cite ↗