How does antonio regard the owl that Ultima brings with her?

Antonio regards the owl with fear and awe, as he believes it is a symbol of death. He sees the owl as a manifestation of his grandfather, who had passed away some time ago. Antonio is afraid of the owl because he fears that it may be a harbinger of his own death. He also believes that the owl may be a warning from his grandfather to stay away from certain places or activities, as it might bring him harm.