Lavender Waxbills recorded per party hr on the Honolulu
Christmas Count, 1944-2014 (see Count
Page). After initial introductions during the
1960s, numbers have dropped off after 1980. 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/