"pond heron" meaning in English

{
  "forms": [
    {
      "form": "pond herons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pond heron (plural pond herons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Herons",
          "orig": "en:Herons",
          "parents": [
            "Freshwater birds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A heron of the genus Ardeola."
      ],
      "id": "en-pond_heron-en-noun-ztkgL1qN",
      "links": [
        [
          "heron",
          "heron"
        ],
        [
          "Ardeola",
          "Ardeola#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "heron of the genus Ardeola",
          "word": "池鹭"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "heron of the genus Ardeola",
          "tags": [
            "masculine"
          ],
          "word": "crabier"
        }
      ],
      "wikipedia": [
        "pond heron"
      ]
    }
  ],
  "word": "pond heron"
}

{
  "forms": [
    {
      "form": "pond herons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pond heron (plural pond herons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Herons"
      ],
      "glosses": [
        "A heron of the genus Ardeola."
      ],
      "links": [
        [
          "heron",
          "heron"
        ],
        [
          "Ardeola",
          "Ardeola#Translingual"
        ]
      ],
      "wikipedia": [
        "pond heron"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "heron of the genus Ardeola",
      "word": "池鹭"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "heron of the genus Ardeola",
      "tags": [
        "masculine"
      ],
      "word": "crabier"
    }
  ],
  "word": "pond heron"
}