pool frog pelophylax lessonae sitting on a back view silhouette found in map of europe. good to use for print book

amphibia amphibian animal animalia animals aquatic black book british carnivore concern content dark design elements europe feet forested frog graphic habitat heads icon illustration insects isles isolated least legs lessonae long moths northern norway patterned pelophylax permeable pointed ponds pool print rarest semi sharply sign silhouette sitting skin snout solitary species spiders spots spotted sticky sweden symbol tongue vector webbed white woodland