Sanderlings recorded per party hr on the Honolulu Christmas Count, O'ahu, 1944-2007 (see Count Page). A substantial peak in numbers during the 1960s may relate to habitat-use practices (as may a decline in numbers noted at Waipio).

 

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/2009/