O'ahu 'Amakihis
recorded per party hr on the Waipi'o Christmas
Count, O'ahu, 1977-2014 (see Count
Page), showing fluctuation but
no significant trend. 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/