You've trained your mount to perform in unusual or even extreme circumstances, granting it abilities far beyond others of its kind.
Archetype
Feat type
Archetype Feat
Level
14
Traits
Archetype
Prerequisites
Incredible Mount
You've trained your mount to perform in unusual or even extreme circumstances, granting it abilities far beyond others of its kind. Your mount gains one specialization of your choice.
Special
You can select this feat up to three times. Each time, add a different specialization to your mount. Your mount can't have more than three specializations.
This feat can be selected more than once.
Source: Pathfinder Player Core 2, p. 193
Bring Specialized Mount into a Pathfinder 2e game with The DM Screen.