"seed-bird" meaning in English

{
  "etymology_text": "So called because it may be seen at seedtime.",
  "forms": [
    {
      "form": "seed-birds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "seed-bird (plural seed-birds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Regional English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of pied wagtail"
      ],
      "id": "en-seed-bird-en-noun-ynwHn3Gc",
      "links": [
        [
          "regional",
          "regional#English"
        ],
        [
          "pied wagtail",
          "pied wagtail#English"
        ]
      ],
      "raw_glosses": [
        "(UK, regional) Synonym of pied wagtail"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "pied wagtail"
        }
      ],
      "tags": [
        "UK",
        "regional"
      ]
    }
  ],
  "word": "seed-bird"
}

{
  "etymology_text": "So called because it may be seen at seedtime.",
  "forms": [
    {
      "form": "seed-birds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "seed-bird (plural seed-birds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Regional English"
      ],
      "glosses": [
        "Synonym of pied wagtail"
      ],
      "links": [
        [
          "regional",
          "regional#English"
        ],
        [
          "pied wagtail",
          "pied wagtail#English"
        ]
      ],
      "raw_glosses": [
        "(UK, regional) Synonym of pied wagtail"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "pied wagtail"
        }
      ],
      "tags": [
        "UK",
        "regional"
      ]
    }
  ],
  "word": "seed-bird"
}