"pardela oscura" meaning in Spanish

{
  "forms": [
    {
      "form": "pardelas oscuras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "pardela oscura f (plural pardelas oscuras)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Tubenose birds",
          "orig": "es:Tubenose birds",
          "parents": [
            "Seabirds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The sooty shearwater, Ardenna grisea."
      ],
      "id": "en-pardela_oscura-es-noun-~F~l6-6l",
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "pardela oscura"
}

{
  "forms": [
    {
      "form": "pardelas oscuras",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "pardela oscura f (plural pardelas oscuras)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "es:Tubenose birds"
      ],
      "glosses": [
        "The sooty shearwater, Ardenna grisea."
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "pardela oscura"
}