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Message: <blockquote data-quote="Mecheon" data-source="post: 8252194" data-attributes="member: 6801776">Per the above, ol' Megatherium's still open to debate. Heck, there's also a good argument that Mastodons weren't the fuzzy things they're reconstructed as, but had a more Asian elephant-esque sparse coatIts not really hotly debated these days as we have some Edmontosaurus fossils showing clear, unambiguous evidence that a rex tried to eat them, failed, and the Edmonto kept on trucking. Ol' rex certainly scavengeed, but it was also an active hunterTo be fair on this, while the arms are tiny they're very strong at the gripping. Having muscles on them doesn't explain feathers because, why would you need bench-press levels of arm just to wave your arms about for display? Now the leading thing at the moment is the 'meat hook' idea, which is that a rex would latch onto something with its arms and, due to their strength and their size, that thing could not escape. While their arms are strong, they're also built in a way to resist a lot of stress like, say, a struggling prey item, and their limited bends cause it to be really, really hard to struggle to escapeOver 50 years and we still don't have the Quetzalcoatlus paper...</blockquote>