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Bonin Petrel - BirdForum Opus

Photo © by Andrew Whitehouse
Chichijima to Hahajima Ferry, Ogasawara, Japan, 15th July 2023
Pterodroma hypoleuca


30 cm

  • White head and body
  • Black cap and facial markings
  • Pale grey upperparts
  • Dark primaries and wing coverts (creating a M mark over the back)
  • White underwing with dark edges
  • Dark grey tail
  • Dark half collar on breast
  • Short black hooked bill
  • Pink legs and feet with dark patches


Volcano, Bonin (Japan) and western Hawaiian islands; ranges to Polynesia


This is a monotypic species[1].


Pelagic, except when breeding.



The diet consists mostly of fish and squid.


Both adults dig a 1-3m burrow nest in sand. The single egg is incubated by both parents for 50 days. The young fledge about 80 days later.


  1. Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2023. The eBird/Clements checklist of Birds of the World: v2023. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/

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