40+ of these round, medium, shortish-billed mostly soft grey sandpipers - some of the photos show relative vs. other shorebirds (twice as tall as dunlins, same shoulder height as black-bellied plover, half the height of godwits, etc.)
fourth from the left in this group of Great Knots
Wollongong Pelagic. New South Wales, Australia. September 8th 2007.