Figure 3 in Fregetta lineata (Peale, 1848) is a valid extant species endemic to New Caledonia

Figure 3. Means of six biometrics (bill width, bill depth at gonys, and culmen, wing, tail and tarsus lengths) of small White-bellied Storm Petrels Fregetta grallaria (all taxa aggregated), New Caledonian Storm Petrel F. lineata, New Zealand Storm Petrel F. maoriana, the large Titan Storm Petrel F. [g.] titan, and Black-bellied Storm Petrel F. tropica (for methodology see main text).