Musannaf Ibn Abi Shayba 27:294

Marwan ibn Mu'awiyah narrated to us, from 'Awf, from al-Hasan, that the Prophet (may Allah bless him and grant him peace) described Paradise one day and the honor that is within it. He said, among what he said: "Indeed, there are birds in it like the Bactrian camels." Abu Bakr said: "O Messenger of Allah, those birds are soft/delicate." The Prophet (may Allah bless him and grant him peace) said: "O Abu Bakr, the one who eats from them is softer/more delicate than them. By Allah, O Abu Bakr, I truly hope that you will be among those who eat from them."