european dark-spotted frog viewed from the side

green frog common water edible european darkspotted blackspotted pelophylax esculentus rana esculenta ranidae endemic pond swamp marsh mud amphibian anura tadpole metamorphosis food cook recipe france zoology jumping jumps paws swimming leaves nymphea daylight cloudy morning springtime season seasonal nature natural outdoor animal terni umbria italy europe wild black spots small webbed legs