Average deviations in migration timing of 26 individual Hudsonian godwits tracked throughout their annual cycle, 2009–2012.

<p>Each bar denotes the average relative difference in timing of departure or rates of change for all individuals migrating either ahead or behind the population mean. Light gray and black bars represent average relative timing differences (see Step 1 in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0086588#pone-0086588-t001" target="_blank">Table 1</a>), while the two sets of darker gray bars represent average rates of change (see Step 2 in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0086588#pone-0086588-t001" target="_blank">Table 1</a>). Error bars represent standard errors.