Common (Hawaiian) Gallinuless
recorded per party hr on the Honolulu Christmas Count, 1944-2014 (see Count
Page) indicating a few years of elevated
totals from 1944 to 2000, followed by increasing trends from 2000 to 2014. Graphs of Christmas Count data developed as part
of The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and
Status by Robert L. Pyle and Peter Pyle http://hbs.bishopmuseum.org/birds/rlp-monograph/