"golden-crested wren" meaning in English

{
  "forms": [
    {
      "form": "golden-crested wrens",
      "tags": [
        "plural"
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    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "golden-crested wren (plural golden-crested wrens)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Perching birds",
          "orig": "en:Perching birds",
          "parents": [
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
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            "Fundamental",
            "Nature"
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          "source": "w"
        }
      ],
      "glosses": [
        "The goldcrest, Regulus regulus"
      ],
      "id": "en-golden-crested_wren-en-noun--xErRMgu",
      "links": [
        [
          "goldcrest",
          "goldcrest"
        ],
        [
          "Regulus regulus",
          "Regulus regulus#Translingual"
        ]
      ],
      "wikipedia": [
        "Goldcrest"
      ]
    }
  ],
  "word": "golden-crested wren"
}

{
  "forms": [
    {
      "form": "golden-crested wrens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "golden-crested wren (plural golden-crested wrens)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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        "en:Perching birds"
      ],
      "glosses": [
        "The goldcrest, Regulus regulus"
      ],
      "links": [
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          "goldcrest",
          "goldcrest"
        ],
        [
          "Regulus regulus",
          "Regulus regulus#Translingual"
        ]
      ],
      "wikipedia": [
        "Goldcrest"
      ]
    }
  ],
  "word": "golden-crested wren"
}