Published March 11, 2022
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Figure 8 in Fregetta lineata (Peale, 1848) is a valid extant species endemic to New Caledonia
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Figure 8. Comparison of 'streaked' White-bellied Storm Petrel Fregetta g. grallaria with New Zealand Storm Petrel F. maoriana and New Caledonian Storm Petrel F. lineata. (A) White-bellied Storm Petrel, Lord Howe Island, Australia, April 2019 (David Newell, www.birdlifephotography.org.au). (B) White-bellied Storm Petrel, Lord Howe Island, February 2017 (Mark Lethlean, www.birdlifephotography.org.au). (C) White-bellied Storm Petrel, Lord Howe Island, date unknown (Jack Shick, www.lhirodenteradicationproject. org/plants-animals/birds). (D) New Zealand Storm Petrel, Hauraki Gulf, North Island, New Zealand, November 2018 (Hadoram Shirihai, © Tubenoses Project). (E) New Caledonian Storm Petrel, off Nouméa, New Caledonia, January 2020 (Hadoram Shirihai, © Tubenoses Project). (F) New Caledonian Storm Petrel, off Nouméa, New Caledonia, January 2020 (Hadoram Shirihai, © Tubenoses Project). Rarely, individuals of all populations of F. grallaria have limited fine streaking, for example (A) and (B), narrow and close to feather shafts, never in rows of oval dapples characteristic of F. lineata, for example (E) and (F), or forming straighter lines characteristic of F. maoriana (D). A few extreme examples of F. g. grallaria from Lord Howe possess broader flanks streaking, e.g. (C), but never covering the whole belly.
Notes
Published as part of Bretagnolle, Vincent, Flood, Robert L., Gaba, Sabrina & Shirihai, Hadoram, 2022, Fregetta lineata (Peale, 1848) is a valid extant species endemic to New Caledonia, pp. 111-130 in Bulletin of the British Ornithologists' Club 142 (1) on page 122, DOI: 10.25226/bboc.v142i1.2022.a6, http://zenodo.org/record/12535700
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