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Avisaurus tooth


Avisaurus cf. archibaldi

Hell Creek Fm., Garfield Co., MT, USA


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Avisaurus is an extinct, toothed Enantiornithine bird that lived at the very end of the Cretaceous. It likely held a similar niche that hawks/eagles do today, preying on small vertebrates like lizards and mammals.

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Hell Creek / Lance Formations

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