Fig. 2From: The effects of sun exposure on carotenoid accumulation and oxidative stress in the retina of the House Finch (Haemorhous mexicanus)Mean ± SE body mass of house finches over the course of experiments 1 (a) and 2 (b). Week 0 measurements were performed just prior to the beginning of sun exposure and dietary (experiment 2 only) manipulations. In experiment 2 (b) “supp.” birds received a zeaxanthin supplement in their drinking waterBack to article page