Malik narrates from Nafi' (may Allah have mercy on him), who said: I struck two birds with a stone and got them both. One of them died, and Abdullah bin Umar (may Allah be pleased with them both) threw it away; the other also died before it could be slaughtered, so he threw it away as well.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيد والذبائح / 18947