English: Mourning Cloak (Nymphalis antiopa) feeding on a dandelion - - The Village at Mammoth, Mammoth Lakes, Mono County, California.
日本語: タンポポで吸蜜するキベリタテハ (Nymphalis antiopa) - カリフォルニア州モノ郡マンモスレイクスの The Village at Mammoth にて。
Date 20 April 2014, 12:55:41
Author Nandaro https://commons.wikimedia.org/wiki/User:Nandaro
Source: https://commons.wikimedia.org/wiki/File:Butterfly_Mammoth_Lakes_(20140420-0032).JPG

Nymphalis antiopa, known as the mourning cloak in North America and the Camberwell beauty in Britain, is a large butterfly native to Eurasia and North America. The immature form of this species is sometimes known as the spiny elm caterpillar. Other older names for this species include grand surprise and white petticoat. A powerful flier, this species is sometimes found in areas far from its usual range during migration.
Order: Lepidoptera
Family: Nymphalidae
Genus: Nymphalis
Species: Nymphalis antiopa (Linnaeus, 1758)