| Common Name | Westland petrel |
| Language | English |
| Type | Vernacular |
| Official Trade Name | No |
| Rank | 3 - (Other common name) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum, 2005 |
| Life Stage | juveniles and adults |
| Sex | |
| Core | behavior |
| 1st Modifier | locality/area |
| 2nd Modifier | |
| Remarks | petrel, i.e., probably an alteration of 'pitteral', influenced by St. Peter walking on the water, analogous to the bird flying so close to the water surface that it appears to be 'walking on water'. |