
Yellow-fronted Canaries recorded per party hr on the
Honolulu Christmas Count, 1944-2007 (see Count
Page), showing a slow population expansion
during the 1970s followed by generally
more-rapid increases in the 1980-2000s. See also Moulton and Scioli (1986) 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/