FusionDex

Due to how high it has built its nest, it rarely leaves so as to not dry itself out. It can sense when a storm is nigh and will take to the sky, the rain keeping it hydrated enough to travel far.

After many long years, its cellular structure underwent a sudden mutation to grow wings. If it senses the approach of a storm and a tidal wave, it protects its seaside nest by piling up boulders.