Key Identification Features
- Compared to the similar fairy prion, the broad-billed prion has a more distinct head pattern and a less extensive tail band.
- The white-headed petrel, Pterodroma lessonii, is distinct for its pale white head and prominent dark eye patch.
- Immature birds do not have a distinct plumage separate from adults, while nestlings are fully covered in down: grey on the upperparts and whitish on the belly.
For instant identification in the field, use the iNature app — AI-powered, works offline.