Red-crested Cardinals recorded per party hour on the
Lihue Christmas Count (see Count
Page) in 1972-1992, showing a
significant increase, as was also observed on Species account 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/