[myrroddin]

Originally Posted by Ammako But https://wow.gamepedia.com/API_C_Moun...tMountInfoByID 3 icon String Path to the icon for the mount

The documentation is outdated. WoW returns numbers, not strings, for icons, and had done so since the 7.x pre-patch.

Edit: I looked at the documentation, and the third return is a fileID, which is a number. The docs are correct.