Common Crane's (Grus grus) are flying over the sea, Spring migration. April 2011, Europe.

- Image ID: C5APN4

Common Crane's (Grus grus) are flying over the sea, Spring migration. April 2011, Europe.

Remo Savisaar / Alamy Stock Photo

Image ID: C5APN4

Location: Matsalu National Park, Estonia, Europe