"Arran brown" meaning in English

{
  "forms": [
    {
      "form": "Arran browns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Arran brown (plural Arran browns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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      ],
      "glosses": [
        "The butterfly Erebia ligea."
      ],
      "id": "en-Arran_brown-en-noun-pp8R7cBp",
      "links": [
        [
          "butterfly",
          "butterfly"
        ]
      ]
    }
  ],
  "word": "Arran brown"
}

{
  "forms": [
    {
      "form": "Arran browns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Arran brown (plural Arran browns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
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      ],
      "glosses": [
        "The butterfly Erebia ligea."
      ],
      "links": [
        [
          "butterfly",
          "butterfly"
        ]
      ]
    }
  ],
  "word": "Arran brown"
}