Sunan an-Nasa'i 4216
سنن النسائي#4216SahihIt was narrated from Umm Kurz that the Messenger of Allah said:"For a boy two sheep, Mukafaatan (of equal age), and for a girl, one sheep
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 40:5