The illustrated full text of the unpublished document The dark-rumped petrel in Haleakala Crater (Larson 1967) is now available online. This document is a study of the life history and ecology of (what is now known as) the Hawaiian petrel (Pterodroma sandwichensis [referred to in the document by an older name, Pterodroma phaeopygia subsp. sandwichensis]) in Haleakala National Park (Maui, Hawaii).
Larson, James W. 1967. The dark-rumped petrel in Haleakala Crater. Unpublished manuscript from the files of the Maui Baseyard of the Division of Forestry and Wildlife [DOFAW]/Department of Land and Natural Resources [DLNR]/State of Hawaii.
We are grateful to Hawaii DLNR/DOFAW wildlife biologist Dr. Fern Duvall for scanning this document and providing it to us for online dissemination, and to Jay Penniman for providing nomenclatural information.
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