
Bukhari 4:538 http://www.sacred-texts.com/isl/bukhari/bh4/bh4_541.htm This is an extraordinary hadith, because following the Sunnah of Muhammad (peace be upon him), prostitutes can be extremely despised figures among most Muslims, yet it expresses the idea that even someone working in one of the most despised of professions, in showing mercy to an animal, can merit the forgiveness of Allah, and the wise.
Sunni Hadith