Java Sparrows recorded per party hr on the Kapa'a Christmas Count, Kaua'i,
1971- 2007 (see Count
Page), indicating an increase after establishment
on the island beginning in 1983. 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/