vesper sparrow
noun
1- a small North American songbird related to the buntings, having streaked brown plumage and known for its evening song（北美）黄昏雀, 栗肩雀鹀。
1.1
- Pooecetes gramineus, family Emberizidae (subfamily Emberizidae).拉丁名Pooecetes gramineus,鹀科（鹀亚科）。