In bird names, pied means the bird is black and white, in patches, like a magpie. A pied wagtail, a pied flycatcher, a pied kingfisher — the word is telling you the colours, not a different species.

In bird names在鳥類名字裡, pied means the bird is black and white, in patches pied是指這隻鳥是黑白花斑的, like a magpie就像喜鵲一樣。A pied wagtail, a pied flycatcher, a pied kingfisher像pied wagtail（斑鶺鴒）、pied flycatcher（斑姬鶲）、pied kingfisher（斑魚狗） — the word is telling you the colours這個詞是在告訴你顏色, not a different species而不是不同的物種。

It comes from an old word pie, which meant magpie; people looked at that bird’s mix of black and white and used the same idea for other birds.

It comes from an old word pie它源自一個古字pie, which meant magpie意思就是喜鵲; people looked at that bird's mix of black and white人們看到那種鳥黑白相間的樣子, and used the same idea for other birds就把同樣的概念用到其他鳥身上。

Though actually, older English also used pied for clothes of mixed colours, not only black and white: the Pied Piper of Hamelin is “pied” because his coat was patched with many colours, not because he was a bird. In modern English you mostly meet the word in those bird names, and in that one famous story.

Though actually不過其實, older English also used pied for clothes of mixed colours早期英文也用pied來指顏色混雜的衣服, not only black and white不只是黑白兩色: the Pied Piper of Hamelin is "pied"「花衣魔笛手」（the Pied Piper of Hamelin）之所以被稱為"pied", because his coat was patched with many colours是因為他的外套是用很多顏色拼接起來的, not because he was a bird而不是因為他是一隻鳥。In modern English在現代英文裡, you mostly meet the word in those bird names你大多是在那些鳥名裡遇到這個詞, and in that one famous story還有在那個有名的故事裡。