'Akepas recorded per party hr
on the Volcano Christmas Count, Hawai'i, 1972-2007
(see Count
Page), perhaps suggesting
decadal population cycles and a near- significant decline in
abundance during this period. 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/