"black-headed duck" meaning in English

{
  "forms": [
    {
      "form": "black-headed ducks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
        "head": "black-headed duck"
      },
      "expansion": "black-headed duck (plural black-headed ducks)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
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          "source": "w"
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          "source": "w"
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Ducks",
          "orig": "en:Ducks",
          "parents": [
            "Anatids",
            "Poultry",
            "Freshwater birds",
            "Birds",
            "Livestock",
            "Vertebrates",
            "Agriculture",
            "Animals",
            "Chordates",
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          "source": "w"
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      ],
      "glosses": [
        "A South American duck of freshwater habitats, Heteronetta atricapilla, known for laying its eggs in the nests of other ducks."
      ],
      "id": "en-black-headed_duck-en-noun-NxNsKn0a",
      "links": [
        [
          "Heteronetta atricapilla",
          "Heteronetta atricapilla#Translingual"
        ]
      ]
    }
  ],
  "word": "black-headed duck"
}

{
  "forms": [
    {
      "form": "black-headed ducks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "black-headed duck"
      },
      "expansion": "black-headed duck (plural black-headed ducks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "A South American duck of freshwater habitats, Heteronetta atricapilla, known for laying its eggs in the nests of other ducks."
      ],
      "links": [
        [
          "Heteronetta atricapilla",
          "Heteronetta atricapilla#Translingual"
        ]
      ]
    }
  ],
  "word": "black-headed duck"
}