{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreiha2oeryzvz2ivr4xhq5xq7labboiptpcwumtdpzkwohfisvie5ym",
    "uri": "at://did:plc:skay7lskjqh4alxysohku377/app.bsky.feed.post/3mejlhadue5r2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreidgx5t4f4j7s5uu6ncjuc7ormsruwls2csaujr5hbeii4jxxt5q5y"
    },
    "mimeType": "image/jpeg",
    "size": 471801
  },
  "path": "/environment/how-birds-keep-warm-in-winter/",
  "publishedAt": "2026-02-10T14:00:00.000Z",
  "site": "https://www.popsci.com",
  "tags": [
    "Environment",
    "Animals",
    "Ask Us Anything",
    "Birds",
    "Science",
    "Wildlife",
    "How do birds stay warm in winter?",
    "Popular Science"
  ],
  "textContent": "Puffing up is just the start.\n\nThe post How do birds stay warm in winter? appeared first on Popular Science.",
  "title": "How do birds stay warm in winter?"
}