Shu'bah (may Allah have mercy on him) said: I asked al-Hakam (may Allah have mercy on him) about the crow, and he said: The large black crow, I dislike it; but the small kind of crow, there is no harm in eating it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19371