鳥 1 / Birds 1

Acknowledgments: (1) The photo of penguin and eagle was taken by Scott Liddell. (2) The photo of peacock was taken by Thad Zajdowicz. (3) The photo of duck was taken by Cormac Scanlan. (4) The photo of swan was taken by Jari Aho. (5) The photo of owl was taken by Katarzyna Lipinska.