Common Waxbills recorded per party hr on the Honolulu
Christmas Count, 1944- 2007 (see Count
Page), indicating increases during the 1990s
following expansion from initial establishment in
w. O'ahu in the 1970s. 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/