MegalocerosCreature 4
Source Pathfinder #176: Lost Mammoth Valley
Perception +10 (low light vision, scent (imprecise) 30 feet)
Languages none
Skills Athletics +13, Survival +10
Str +5, Dex +3, Con +5, Int -4, Wis +2, Cha +0
AC 21; Fort +13; Reflex +11; Will +8;
HP 58
Speed 50 feet
Antlers
+13 (+8, +3) to hit (deadly d8) 2d6+7 PiercingHoof
+13 (+8, +3) to hit 2d4+7 BludgeoningBuck

DC 21 reflex
Most monsters that serve as mounts can attempt to buck off unwanted or annoying riders, but most mounts will not use this reaction against a trusted creature unless the mounts are spooked or mistreated.
Trigger A creature Mounts or uses the Command an Animal action while riding the monster.
Effect The triggering creature must succeed at a Reflex saving throw against the listed DC or fall off the creature and land Prone. If the save is a critical failure, the triggering creature also takes 1d6 bludgeoning damage in addition to the normal damage for the fall.
Furious Charge
The megaloceros Strides twice and makes a hoof Strike after either Stride. If the Strike hits, the megaloceros deals an additional 2d4 bludgeoning damage.
The megaloceros is similar in form to the elk, but far superior in size. The average male's antlers weigh nearly 100 pounds and can be wider than his body is long. Megaloceroses stand up to 9 feet tall, weigh 1,500 pounds, and grow antlers over 12 feet wide.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
AnimalAn animal is a creature with a relatively low intelligence. It typically doesn't have an Intelligence attribute modifier over –4, can't speak languages, and can't be trained in Intelligence-based skills.