Chestnut Munias recorded per
party hr on the Honolulu Christmas Count, 1944- 2014 (see Count
Page), showing fluctuation in populations,
probably related to grass-seeding phenology (see text). 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/