Is it permissible to use an animal as a barrier (Sutrah) during prayer?

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It is permissible to use a camel or any animal as a barrier during prayer. This practice is supported by the actions of Ibn Umar and Anas. The evidence for this ruling is the report from Ibn Umar that the Prophet, peace be upon him, prayed facing a camel. Furthermore, it is narrated that the Messenger of Allah would position his riding animal and pray towards it, or if the animal moved, he would position the saddle and pray towards its rear end. Additionally, using a human being as a barrier is permissible because the human stands in the place of other forms of barriers.