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Oscaravis olsoni (also known as the Cuban teratorn), of the teratorn family, was a large, predatory bird that roamed the territory that is now modern-day Cuba before going extinct at the end of the Pleistocene era. Previously classified as Teratornis olsoni, it has recently been granted a new genus due to its ecological isolation from others in the Ttratorn family, as well as differences in size and possibly behavior. Although no exact measurements can be stated, due to recent archaeological findings and the comparison of O. olsoni bone lengths with that of other teratorns, it has been concluded Oscaravis olsoni would have had a body bigger than Taubatornis campbelli but smaller than Cathartornis gracilis.