Ata' bin Abi Rabah (may Allah have mercy on him) said: A boy from Quraysh killed one of the pigeons of Makkah, so Ibn Abbas (may Allah be pleased with them both) told him to give a sheep as ransom (fidyah).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9717