每到秋天,大量候鸟开始南飞。但是,由于种群数量大幅减少,有一种小鸟已经无法组队南飞了。这就是禾花雀,学名为黄胸鹀,又称黄胆、老铁背。体长约15厘米,每年在西伯利亚和中国东北地区繁殖,天气转冷,飞至中国南方及东南亚地区越冬。它们栖息于大面积的稻田、芦苇地或者高草丛及湿 Every fall, a large number of migratory birds began to fly south. However, due to the drastic reduction in the number of stocks, a small bird has been unable to form a team to fly south. This is the Wo sparrow, scientific name yellow chestnut, also known as the jerky, old iron back. About 15 cm in length, each year in Siberia and northeast China breeding, the weather turns cold, flying to southern China and Southeast Asia winter. They inhabit large areas of paddy fields, reeds or high grass and wet