If you ride a donkey, you will float above the saddle, with horses this don't happen
MC-80668
Donkey Glitch
Resolved
Duplicate
0
Federico
(Unassigned)
Unconfirmed
Minecraft 1.8.4
Retrieved
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-20431. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.