WATOLA, George. The discovery of New Zealand's birds: the first record of every bird species in New Zealand since 1769. Orewa: Stepping Stone Books, 2009. Dostupné online. ISBN9780473135409. S. 65. (anglicky)
GILL, B.J.; BELL, B.D.; CHAMBERS, G.K.; MEDWAY, D.G.; PALMA, R.L.; SCOFIELD, R.P.; TENNYSON, A.J.D. Checklist of the birds of New Zealand, Norfolk and Macquarie Islands, and the Ross Dependency, Antarctica. Wellington: Te Papa Press in association with the Ornithological Society of New Zealand, 2010. 502 s. Dostupné online. ISBN978-1-877385-59-9. S. 192–193. (anglicky)
TAYLOR, G. A. Pycroft's petrel [online]. New Zealand Birds Online, 2013 [cit. 2022-05-10]. Dostupné online. (anglicky)