“Measurable concentrations of retinol at all stages of egg development in the chameleons suggests effective conversion from carotenoid precursors, with concentrations similar to those measured in other lizard eggs.”…
https://onlinelibrary.wiley.com/doi/abs/10.1002/zoo.10039
https://onlinelibrary.wiley.com/doi/abs/10.1002/zoo.10039
