Sahih Muslim , Book 51, Hadith 21 (In-Book) ⓘ
Ibn Umar reported Allah's Apostle saying like this but with this change of words: " She sometimes finds a way in one flock and then in another flock."
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا يَعْقُوبُ، - يَعْنِي ابْنَ عَبْدِ الرَّحْمَنِ الْقَارِيَّ - عَنْ مُوسَى بْنِ عُقْبَةَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِمِثْلِهِ غَيْرَ أَنَّهُ قَالَ " تَكِرُّ فِي هَذِهِ مَرَّةً وَفِي هَذِهِ مَرَّةً " .
also referenced under: Hadith 2784 (Reference) & Book 38, Hadith 6697 (USC-MSA)