comments:
2018-11-24.
Андрей Баздырев: Eurasian Skylark (Alauda arvensis): long, relatively thin bill, long tail, underwings not black; the edges of the tail and the strip along the rear edge of the wing are white, not sandy (as in Oriental Skylark).
2018-11-25.
a龙: Translation from Андрей Баздырев:
云雀:喙相对细长,尾长,翅下不为黑色,尾缘和翅缘白色,不为沙色。