grey herons perched on the highest branches of a tree

gray heron ardea cinerea ardeidae long legged predatory bird temperate region europe asia africa migratory migrate autumn wetlands lakes rivers ponds marshes sea coast beak white head pointed pinkish yellow legs brown nest eggs trees large plumage wings ashy supercilium prey fish amphibian insects daylight sunlight sunny morning outdoor natural reserve ripasottile lake rieti latium italy grey herons perched highest branches tree two specimens