The marsh frog is a species of water frog commonly found in Europe and parts of western Asia. They are the largest frogs native to Europe. Their favorite food is insects and they are solitary creatures and they can live from 5-10 years. They have permeable skin that can come in Brown, Yellow, Black, White, and Green. Their habitats are typically ponds, lakes, and rivers. Often confused as a reptile, frogs are actually amphibians. In fact, frogs make up 90% of the 6,000 species of amphibians.