mourning cloak butterfly
US /ˈmɔːrnɪŋ kloʊk ˈbʌtərflaɪ/
UK /ˈmɔːrnɪŋ kloʊk ˈbʌtərflaɪ/

1.
papillon morio, morio
a large, dark-colored butterfly (Nymphalis antiopa) with a distinctive yellow or white border on its wings, found in North America and Eurasia.
:
•
The mourning cloak butterfly is one of the first butterflies to emerge in spring.
Le papillon morio est l'un des premiers papillons à émerger au printemps.
•
We spotted a beautiful mourning cloak butterfly resting on a tree trunk.
Nous avons aperçu un magnifique papillon morio se reposant sur un tronc d'arbre.