The Prophet ﷺ saw a man driving a sacrificial camel and said, "Ride it."The man replied, "It is a sacrificial camel!"He said, "Ride it."The man said again, "It is a sacrificial camel!"He said, "Ride it," repeating it three times.
أن النبي ﷺ رأى رجلا يسوق بدنة، فقال: اركبها قال: إنها بدنة! قال: اركبها. قال: إنها بدنة! قال: اركبها ثلاثا.
Bukhari related it in the Hajj chapter (1690) through Qatada, from Anas, and mentioned it. Muslim also related it in the Hajj chapter (1323) through Thabit Bunani and Bukayr bin Akhnas, separately, both of them from Anas, with similar wording.