Trading Help

So I'm trying to create a trade with these three horses in it:
Autumn King
Ariel
and Epona.

When I go to the Marketplace and press Create Trade and scroll down to the division they are in, the only horse I see is this one: Bring on the Jazz

I have 12 horses in that division but the only one I see is Bring on the Jazz. Why is that? Is it a glitch? Or can you only trade certain horses? And if so why is Bring on the Jazz different from my other thoroughbreds?

Edit: I accidentally posted this in the wrong section...xD Not sure if I can change it or not

Last edited on 2017-10-19 at 13:10:28 by PandaPuff