I'll answer based on my own experience.
When I was doing my bestiary entry on Terrified Elephants I had an opportunity to check it because another player came to disturb me. I noticed that it is possible to block the respawn by standing there, however the whole area is too wide, to block it alone. I asked for help from a few friends and completely blocked the respawn, preventing a malicious player from hunting.
source:
https://www.tibiabosses.com/forum/topic/rare-bestiary-english-version/
According to Terrified Elephant (Wiki Br), yes its possible block the respawn of this creature.
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