"snowy sheathbill" meaning in English

{
  "forms": [
    {
      "form": "snowy sheathbills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "snowy sheathbill (plural snowy sheathbills)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Shorebirds",
          "orig": "en:Shorebirds",
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            "Vertebrates",
            "Chordates",
            "Animals",
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          "source": "w"
        }
      ],
      "glosses": [
        "A seabird of species Chionis albus, of the southern hemisphere."
      ],
      "id": "en-snowy_sheathbill-en-noun-UETW6HWL",
      "synonyms": [
        {
          "word": "mutt"
        }
      ]
    }
  ],
  "word": "snowy sheathbill"
}

{
  "forms": [
    {
      "form": "snowy sheathbills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "snowy sheathbill (plural snowy sheathbills)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
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        "Pages with 1 entry",
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        "en:Shorebirds"
      ],
      "glosses": [
        "A seabird of species Chionis albus, of the southern hemisphere."
      ],
      "synonyms": [
        {
          "word": "mutt"
        }
      ]
    }
  ],
  "word": "snowy sheathbill"
}