This taxon is Not Recognised as a species by BirdLife International.
Puffinus lherminieri (Sibley and Monroe 1990, 1993) was split into P. lherminieri and P. baroli by Sangster et al. (2005) but this treatment is not followed by the BirdLife Taxonomic Working Group, because the molecular study c
BirdLife International (2016) Species factsheet: Puffinus assimilis. Downloaded from http://www.birdlife.org on 05/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 05/12/2016.