eye Red fox, Vulpes vulpes, standing in the grass in the night, Biebrza national park. Red fox, Vulpes vulpes, standing in the grass in the night, Biebrza national park. Red fox, Vulpes vulpes, standing in the grass in the night, Biebrza national park. Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland
