原来斑鸠就是dove—看了你的照片，觉得像dove, 然后去google 一番，还真是的呀

还google出来dove & pigeon 是同一种鸟，只是一个小一点，一个大一点

There’s no difference between a pigeon and a dove in scientific nomenclature, but colloquial English tends to categorize them by size. Something called a dove is generally smaller than something called a pigeon, but that’s not always the case

https://www.mentalfloss.com/article/554182/what-is-difference-between-pigeons-and-doves