Ibn Umar reported Allah's Apostle (ﷺ) saying like this but with this change of words:
" She sometimes finds a way in one flock and then in another flock." (IT)
Reference (IT): Sahih Muslim 2784 b (IT)
In-book reference (IT): Book 51, Hadith 21 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 38, Hadith 6697 (IT)