How did they look?

We know from body fossils that therizinosaurs were covered in feathers. Do therizinosaurs remind you of birds in any other way?

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A feathery dinosaur is posed mid-stride on its two back feet. Both its feet and hands have sharp pointy claws. The claws on its hands are much longer than the ones on its feet. Its long neck stretches above its body. Its tail is a bushy mass of feathers.