Pterin-based ornamental coloration predicts yolk antioxidant levels in female striped plateau lizards (Sceloporus virgatus).
Weiss SL, Kennedy EA, Safran RJ, McGraw KJ. Pterin-based ornamental coloration predicts yolk antioxidant levels in female striped plateau lizards (Sceloporus virgatus). J Anim Ecol. 2011 May; 80(3):519-27.