Basically title of topic says it all, rhinos who is rideable gets Horse icon and hud.
Please provide a step-by-step process of how the bug can be reproduced. The more details you provide us with the easier it will be for us to find and fix the bug:
We’re aware of this, as some of the new features introduced in Isle of Siptah are still in early access and being worked on until its full release.
Thanks for the feedback.