Sunan An-Nasa'i

It was narrated from 'Abdullah bin 'Amr that the Messenger of Allah said:""There is no person who kills a small bird or anything larger for no just reason, but Allah, the Mighty and Sublime, will ask him about it."" It was said: ""O Messenger of Allah, what does just reason;' mean?"" Her said: ""That you slaughter it and eat it, and do not cut off its head and throw it aside