´Narrated Ibn 'Abbas:` "We were with the Messenger of Allah (ﷺ) on a journey when the (Day of) Adha came, so we shared seven for a cow and ten for a camel."
Hadith Referenceسنن ترمذي / كتاب الأضاحى عن رسول الله صلى الله عليه وسلم / 1501
´Narrated Jabir:` "We performed the Nahr (sacrifice) with the Messenger of Allah (ﷺ) at Al-Hudaibiyyah: A camel for seven (persons) and a cow for seven (persons)."
Hadith Referenceسنن ترمذي / كتاب الأضاحى عن رسول الله صلى الله عليه وسلم / 1502