[Creature Type] Trainer( Arms and Equipment Guide, p. 73)
You are skilled at training a particular type of creature.
Handle Animal 8 ranks,
When you take this feat, choose a type of creature other than animal or beast. You may rear and train creatures of that type, using the Handle Animal skill, as if they were beasts, provided their Intelligence score is 4 or lower.
You can gain this feat multiple times. Its effects do not stack. Each time you take the feat, it applies to a new creature type. Exceptions: This feat does not increase the DCs for training creatures presented in the Monster Manual, such as the pegasus. However, it lowers them when appropriate.
Handle Animal does not apply to training creatures other than animals or beasts.