{
"$type": "site.standard.document",
"bskyPostRef": {
"cid": "bafyreifppxkzcdsvotv64czfhulkldwoexvgxjafjdv3f7ezr5ibs2kdze",
"uri": "at://did:plc:7ltlvigjik37fxbx2bat4p22/app.bsky.feed.post/3mohihonfsem2"
},
"coverImage": {
"$type": "blob",
"ref": {
"$link": "bafkreie7yh3m4xqrvkhvjjd4tqga2f2ujxyxvhph6flbaxwhcayhiyu5t4"
},
"mimeType": "image/jpeg",
"size": 191289
},
"path": "/biology/why-t-rex-had-tiny-arms/",
"publishedAt": "2026-06-17T03:32:41.000Z",
"site": "https://refractor.io",
"tags": [
"Continue Reading",
"Biology",
"Science",
"Dinosaurs",
"Fossils",
"ARM",
"Predator",
"tyrannosaurus"
],
"textContent": "The Tyrannosaurus rex (T. rex) is known for its bone-crushing bite, gigantic size, and famously small forelimbs. But why these large, carnivorous theropod dinosaurs evolved tiny arms has long been debated.\n\nContinue Reading\n\n**Category:** Biology, Science\n\n**Tags:** Dinosaurs, Fossils, ARM, Predator, tyrannosaurus",
"title": "We might finally now know why T. rex had such tiny arms"
}