Swinhoe's storm petrel [SEP] IUCN conservation status
headlands, but even then an out of range bird would probably defy definite identification.
It feeds mainly on the wing by dipping and does not patter.
Status.
Widespread throughout its large range, the Swinhoe's storm petrel was previously evaluated as least concern on the IUCN Red List of Threatened Species, but was uplisted to near threatened in 2012.
The population is expected to undergo a moderately rapid decline over the next three generations, owing primarily to the impact of introduced species.
North Atlantic status.
Fregetta grallaria grallaria" and "Fregetta grallaria titan" in the eastern Pacific have been described as “meagre”.
The white bellied storm petrel is considered to be rare in New Zealand with an estimated 700 nesters.
Conservation status.
Significant deficiencies in the data sources that inform these decisions are well-recognised. The IUCN Red List evaluates "Fregetta grallaria" as being of least concern based on range size, population trend, and population size criteria.
In New Zealand, its conservation status is nationally endangered