A man asked the Messenger of Allah ﷺ for a mount to ride. The Messenger of Allah ﷺ said, "I will give you the offspring of a she-camel to ride."The man said, "Messenger of Allah, what would I do with the offspring of a she-camel?"The Messenger of Allah ﷺ replied, "Do camels give birth to anything other than she-camels?"
حدثنا قتيبة حدثنا خالد بن عبد الله الواسطي عن حميد
أن رجلا استحمل رسول الله ﷺ فقال إني حاملك على ولد الناقة فقال يا رسول الله ما أصنع بولد الناقة فقال رسول الله ﷺ وهل تلد الإبل إلا النوق
[Its isnad is daif] Abu Dawud narrated it in the Book of Manners, Chapter on What Has Been Said Regarding Joking, hadith 4998, from the hadith of Khalid bin Abdullah, through the same route, and Baghawi graded it sahih in Sharh al-Sunnah, 13/181, 182, hadith 3605. Humayd Tawil is a mudallis and he narrated it using "an" (anana).