"savanna glider" meaning in English

{
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    {
      "form": "savanna gliders",
      "tags": [
        "plural"
      ]
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  "head_templates": [
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      "args": {},
      "expansion": "savanna glider (plural savanna gliders)",
      "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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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Marsupials",
          "orig": "en:Marsupials",
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            "Vertebrates",
            "Chordates",
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          "source": "w"
        }
      ],
      "glosses": [
        "A species of arboreal marsupial, Petaurus ariel, of northern Australia (alternately classified as a subspecies of the sugar glider, Petaurus breviceps ariel)."
      ],
      "id": "en-savanna_glider-en-noun-cPZFpvbu",
      "links": [
        [
          "arboreal",
          "arboreal"
        ],
        [
          "marsupial",
          "marsupial"
        ],
        [
          "classified",
          "classify"
        ],
        [
          "sugar glider",
          "sugar glider"
        ]
      ]
    }
  ],
  "word": "savanna glider"
}

{
  "forms": [
    {
      "form": "savanna gliders",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "savanna glider (plural savanna gliders)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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        "English nouns",
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        "en:Marsupials"
      ],
      "glosses": [
        "A species of arboreal marsupial, Petaurus ariel, of northern Australia (alternately classified as a subspecies of the sugar glider, Petaurus breviceps ariel)."
      ],
      "links": [
        [
          "arboreal",
          "arboreal"
        ],
        [
          "marsupial",
          "marsupial"
        ],
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          "classify"
        ],
        [
          "sugar glider",
          "sugar glider"
        ]
      ]
    }
  ],
  "word": "savanna glider"
}