The decision of where to nest is perhaps the greatest one a lizard can make for her offspring. Many lizards dig nests in open, sunny spots because warm temperatures help lizard embryos grow and survive. However, climate warming is raising temperatures at those nest sites to the point they may soon become harmful and even lethal to lizard embryos. This project investigates whether lizards can choose shadier, cooler places to nest, which could buffer offspring from effects of climate change.