Bat: The creature gains darkvision out to a range of 60 feet. At 8th level, the range increases by 30 feet. At 15th level, the creature also gains blindsense with a range of 10 feet.
Bear: The creature gains a +2 enhancement bonus to Constitution. This bonus increases to +4 at 8th level and +6 at 15th level.
Bull: The creature gains a +2 enhancement bonus to Strength. This bonus increases to +4 at 8th level and +6 at 15th level.
Falcon: The creature gains a +4 competence bonus on Perception checks. This bonus increases to +6 at 8th level and +8 at 15th level.
Frog: The creature gains a +4 competence bonus on Swim checks and on Acrobatics checks to jump. These bonuses increase to +6 at 8th level and +8 at 15th level.
Monkey: The creature gains a +4 competence bonus on Climb checks. This bonus increases to +6 at 8th level and +8 at 15th level.
Mouse: The creature gains evasion, as the rogue class feature. At 12th level, this benefit becomes improved evasion, as the rogue advanced talent.
Owl: The creature gains a +4 competence bonus on Stealth checks. This bonus increases to +6 at 8th level and +8 at 15th level.
Snake: The creature gains a +2 bonus on attack rolls when making attacks of opportunity and a +2 dodge bonus to AC against attacks of opportunity. These bonuses increase to +4 at 8th level and +6 at 15th level.
Stag: The creature gains a 5-foot enhancement bonus to its base land speed. This bonus increases to 10 feet at 8th level and 20 feet at 15th level.
Tiger: The creature gains a +2 enhancement bonus to Dexterity. This bonus increases to +4 at 8th level and +6 at 15th level.
Wolf: The creature gains the scent ability with a range of 10 feet. The range of this sense increases to 20 feet at 8th level and 30 feet at 15th level. The range doubles if the opponent is upwind, and is halved if the opponent is downwind.
