Muhammad bin Zayd said: A man slaughtered a sheep thinking that it had died, but then it moved. He asked Sayyiduna Abu Hurayrah (may Allah be pleased with him) about it, and he said: "Eat it." When Sayyiduna Zayd bin Thabit (may Allah be pleased with him) was asked, he said: "Do not eat it, for a dead animal sometimes moves too."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيد والذبائح / 18953