Red Avadavats recorded per
party hr on the Honolulu Christmas Count, 1944-2014 (see Count
Page). The peaks in the early 2000s and in
2012 likely relate to short-term availability of seeding grass. See also
Moulton and Scioli (1986). 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/