"peppered moth" meaning in English

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      "expansion": "peppered moth (plural peppered moths)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Geometrid moths",
          "orig": "en:Geometrid moths",
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            "Moths",
            "Insects",
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      "examples": [
        {
          "ref": "2015 May 21, Victoria Schlesinger, “Backyard evolution”, in Aeon:",
          "text": "At the start of the Industrial Revolution, the common, light-coloured peppered moth stood out in the soot-covered landscape around coal plants.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A light-coloured species of night-flying moth, Biston betularia."
      ],
      "id": "en-peppered_moth-en-noun-WESF0KeJ",
      "links": [
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      "wikipedia": [
        "peppered moth"
      ]
    }
  ],
  "word": "peppered moth"
}

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    {
      "form": "peppered moths",
      "tags": [
        "plural"
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  ],
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      "expansion": "peppered moth (plural peppered moths)",
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  "lang_code": "en",
  "pos": "noun",
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        {
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          "text": "At the start of the Industrial Revolution, the common, light-coloured peppered moth stood out in the soot-covered landscape around coal plants.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A light-coloured species of night-flying moth, Biston betularia."
      ],
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      "wikipedia": [
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      ]
    }
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  "word": "peppered moth"
}