Red-billed Leiothrixes recorded per party hr on the Waipi'o Christmas Count, O'ahu,

1977-2014 (see Count Page), showing a significant increase during the period.

Species account

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/