Frogs are tailless amphibians, who includes about 5000 different species. Their size vary from 10 mm to 300 mm. Frogs have long back legs and short body. Frogs are famous with their ability to jump, which is result of long evolution of their back legs and other abilities. They inhabit water or humid places but they can also move well on dry ground. They use caviar to multiply in swamps or lakes. The tadpoles have gills and long tail. The frogs are carnivorous and eat mostly arthropods, worms and molluscs. They can be easily spotted by their croaking, which can be heard mostly during their mating season. Play here many games with frogs and have fun.