Hwameis recorded per party hr
on the Honolulu Christmas Count, 1944-2007 (see Count
Page), indicating fluctuating populations but
a significant decline from the 1940-1950s through the 2000s.
See also Moulton and Scioli (1986), Williams (1987), and Ralph (1990). 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/2009/