Nature & Environment
Animals at the extremes: the desert environment
...becoming heavily keratinised, and prevents loss of water from the frog's body during the 9–10 months of aestivation. At the start of the rainy season, heavy rain with consequent seepage of water into the frogs' burrows, stimulates the frogs to emerge. Breeding and feeding occur during the short wet season. Reptiles with a scaly keratinised skin are not so prone to...