"matraca del desierto" meaning in Spanish

{
  "forms": [
    {
      "form": "matracas del desierto",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "matraca del desierto f (plural matracas del desierto)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Wrens",
          "orig": "es:Wrens",
          "parents": [
            "Certhioid birds",
            "Perching birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The cactus wren."
      ],
      "id": "en-matraca_del_desierto-es-noun-CN5FMnKw",
      "links": [
        [
          "cactus wren",
          "cactus wren"
        ]
      ],
      "synonyms": [
        {
          "word": "cucarachero desértico"
        },
        {
          "word": "matraca desértica"
        },
        {
          "word": "ratona desértica"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "matraca del desierto"
}

{
  "forms": [
    {
      "form": "matracas del desierto",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "matraca del desierto f (plural matracas del desierto)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "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:Wrens"
      ],
      "glosses": [
        "The cactus wren."
      ],
      "links": [
        [
          "cactus wren",
          "cactus wren"
        ]
      ],
      "synonyms": [
        {
          "word": "cucarachero desértico"
        },
        {
          "word": "matraca desértica"
        },
        {
          "word": "ratona desértica"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "matraca del desierto"
}