The mystery humanoid was allegedly seen climbing through trees, then jumped back on board the object when it had been seen.
Three students claim to have seen the entity circling Argentine city Santa Cruz before making the dramatic landing, according to local TV news.
A report on Notivision said locals who claimed to have been the UFO said "an extraterrestrial creature descended from its 'craft', before making attempts to get back on board when it was seen".
A TV news reporter for Notivision said: "Three students were witnesses to the sighting from EL Dorado as they returned home from school.
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