"Rights will be given to their due, such that the hornless sheep would get its claim from the horned sheep." There are narrations on this topic from Abu Dharr and 'Abdullah bin Unais.
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لَتُؤَدَّنَّ الْحُقُوقُ إِلَى أَهْلِهَا حَتَّى يُقَادَ لِلشَّاةِ الْجَلْحَاءِ مِنَ الشَّاةِ الْقَرْنَاءِ وَفِي الْبَابِ عَنْ أَبِي ذَرٍّ وَعَبْدِ اللَّهِ بْنِ أُنَيْسٍ