White-rumped Smamas recorded per party hr on the Honolulu Christmas
Count, 1944-2007 (see Count
Page), indicating an expanding population in
the 1970-mid 1980s followed by a decline in the 1990-2000s 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/