Red Avadavats recorded per
party hr on the Honolulu Christmas Count, 1944-2007 (see Count
Page). The peak in the early 2000s likely
relates 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/2009/