Ibn Ta'li says that we participated in jihad with Abdur Rahman bin Khalid, and four wild donkeys captured from the enemy were brought. He ordered, and all four were tied up and killed with arrows. When this reached Abu Ayyub (may Allah be pleased with him), he said: I heard the Prophet Muhammad (peace be upon him) forbid killing animals while they are tied up.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23590
Hadith Gradingحکم دارالسلام:المرفوع منه صحيح لغيره، وهذا إسناد ضعيف فإن فيه بين بكير بن عبدالله وبين أبن يعلى والد بكير عبدالله بن الأشج، وهو مجهول