Greater Short-toed Lark, ヒメコウテンシ

Hard to distinguish, it prefers the far side of the bare soil field that matches the color of its feathers. Sometimes it flew to a greener patch, never for long

The back 

The wings

Later, when the sun was gone it stood out better.

Other birds around were Zitting Cisticola, セッカ

Common Stonechat, ノビタキ just a few, male and female. Below a male

And lots of Oriental Greenfinch, カワラヒワ