Red-vented Bulbuls recorded per party hr on the Honolulu Christmas Count, 1944-

2014 (see Count Page), indicating significantly increasing trends in the 1970s-mid

1990s, after introduction in 1965-1966, followed by a declining trend through the

2010s. See also van Riper et al. (1979), Williams (1983a, 1987), Moulton and Scioli

(1986), and Ralph (1990).


Species account


Literature Cited


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