"verdum capnegre" meaning in Catalan

{
  "forms": [
    {
      "form": "verdums capnegres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "verdum capnegre m (plural verdums capnegres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "True finches",
          "orig": "ca:True finches",
          "parents": [
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black-headed greenfinch (Chloris ambigua)"
      ],
      "id": "en-verdum_capnegre-ca-noun-waWYCGyn",
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "verdum capnegre"
}

{
  "forms": [
    {
      "form": "verdums capnegres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "verdum capnegre m (plural verdums capnegres)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan multiword terms",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "ca:True finches"
      ],
      "glosses": [
        "black-headed greenfinch (Chloris ambigua)"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "verdum capnegre"
}