Figure 11

Relationship between δ15N (A) or residuals δ13C (B) values in red blood cells and plasma for Tahiti petrels (TP, orange) and wedge-tailed shearwaters (WTS, red). Lines indicate linear regressions and grey shadows their 95% confidence interval. R2 and p values of the models are represented in the boxes of corresponding colors. Significant p values are indicated in bold.