Figure 1From: Winter body mass and over-ocean flocking as components of danger management by Pacific dunlinsOver-ocean flocking by Pacific dunlins. Graphical summary of over-ocean flocking observations by DD made in January, 2006. Columns are successive days, with time given on the y-axis. The horizontal line in each column gives the time of high tide, and the shaded portion indicates the duration of over-ocean flocking. Further details in the text.Back to article page