Fig. 2
From: Baleen whale cortisol levels reveal a physiological response to 20th century whaling
Baseline-corrected cortisol as a function of age and year. Reconstructed lifetime cortisol concentrations (ng/g; black line) and baseline-corrected cortisol (blue line) profiles for a a 35-year-old fin whale with a positive lifetime stress trend (dashed blue line), b 45-year-old humpback whale with a negative lifetime stress trend (dashed blue line), and c 19-year-old blue whale with no lifetime stress trend (dashed blue line)
