purple emperor

US /ˌpɝː.pəl ˈem.pər.ər/
UK /ˌpɝː.pəl ˈem.pər.ər/
"purple emperor" picture
1.

a large European butterfly (Apatura iris) of which the male has iridescent purple wings.

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The rare purple emperor butterfly is a magnificent sight in the summer.
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Male purple emperors are known for their iridescent wings that change color in the light.
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purpleemperoremperor penguinemperor butterfly