Black-crowned Night-Herons recorded per party hr on the Honolulu Christmas

Count, O'ahu, 1948-2014 (see Count Page). The increase may reflect, in part,

increasingly comfortable cohabitation with humans, having become common sights

foraging around city boat docks and parks.


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