´It was narrated from Zaid bin Thabit that:` a wolf bit a sheep so he slaughtered it with Marwah, and the Prophet allowed him to eat it.
Related hadith on this topic
Explanation & Benefits
Hafiz Muhammad Ameen
If an animal is bitten by a predator and its soul (life) still remains, then if it is slaughtered, it will be lawful (halal). However, if it becomes lifeless before being slaughtered, even if all its blood has flowed out, that animal will be unlawful (haram).
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 4405
Hafiz Muhammad Ameen
See Hadith number 4405.
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 4412
Maulana Ataullah Sajid
Benefits and Issues:
An animal that is rescued alive from a predator should be slaughtered by pronouncing the takbir.
Source: Commentary on Sunan Ibn Mājah by Mawlānā ‘Atā’ullāh Sājid, Page: 3176