wall brown
US /wɔːl braʊn/
UK /wɔːl braʊn/
1.
a common European butterfly (Lasiommata megera) with orange-brown wings marked with dark brown and black spots, typically found in sunny, open habitats.
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The wall brown butterfly basked in the sun on the old stone wall.
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We spotted a beautiful wall brown fluttering among the wildflowers.