It is narrated from Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) was asked about the humps of camels and the fat tails of sheep (which used to be cut off while the animals were alive), and he (peace and blessings be upon him) said: "Whatever is cut from a living (creature) is carrion." This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), and they did not record it.

Abd al-Rahman bin Abdullah bin Mas'ud narrates from his father, Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him), who said: We were with the Messenger of Allah (peace and blessings be upon him) on a journey, and we passed by a tree in which there were two chicks of a small bird (a hummarah), and we took them. The bird came to the Messenger of Allah (peace and blessings be upon him) and began crying out, so the Prophet (peace and blessings be upon him) said: "Who has distressed this (bird) over its chicks?" We said: "We did." He (peace and blessings be upon him) said: "Put them (the chicks) back." This hadith has a sahih (authentic) chain, and they (the two Shaykhs) did not record it.