This 2-pound dinosaur is rewriting what scientists know about evolution

ScienceDaily
Mar 10, 2026, 6:50 am181 ptsTrendingTop
A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis reveals that these animals became tiny before developing their later specialized features, such as stubby arms…

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