查看完整版本: 麻雀的問題

麻雀的問題

請問山麻雀和普通麻雀有怎樣分別

Try "Birds of HK and South China"
or
中国野鸟图库 [url]http://www.cnbird.org.cn/first.htm[/url]

Some self study is important before you really learn from bird watching.