What is the explanation of this hadith about black dogs?

- [Sunan Abu Dawud / Book 16 / Hadith 2839](https://quranx.com/hadith/AbuDawud/USC-MSA/Book-16/Hadith-2839/) > حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَزِيدُ، حَدَّثَنَا يُونُسُ، عَنِ الْحَسَنِ، عَنْ عَبْدِ اللَّهِ بْنِ مُغَفَّلٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ > > "‏ لَوْلاَ أَنَّ الْكِلاَبَ أُمَّةٌ مِنَ الأُمَمِ لأَمَرْتُ بِقَتْلِهَا فَاقْتُلُوا مِنْهَا الأَسْوَدَ الْبَهِيمَ ‏" >‏ ‏ > > Narrated Abdullah ibn Mughaffal: > > The Prophet (ﷺ) said: Were dogs not a species of creature I should command that they all be killed; but kill every pure black one..‏ . What is the explanation of this Hadith? I mean, why kill black dogs for no reason?