It wasnarrated that Umm Kurz said:
"I heard the Prophet (ﷺ) say:'Onbehalf of a boy, two sheep of equal age and on behalf of a girlonesheep.'" (ID)
English reference (ID): Vol. 4, Book 27, Hadith 3162 (ID)
Arabic reference (ID): Book 27, Hadith 3282 (ID)