comments:
2017-12-28.
Askar Isabekov: Common Tern (Sterna hirundo) in my opionon. Some of Common Terns have dark belly, for example: one, two.
2017-12-28.
热扎克·艾山: Very good to share
2017-12-28.
热扎克·艾山: 绝佳分享!谢谢老师!
2017-12-28.
金胡杨: 这个既然是燕鸥,可是我又找不到相应的名字了
2017-12-28.
Isabekov Askar: 普通燕鸥