Here's my first attempt at converting animals. Please let me know how they turned out.

Hyena
Medium-size Animal
Hit Dice: 3d8+6 (19 hp)
Initiative: +3 (Dex)
Speed: 30 ft.
AC: 13 (+3 Dex)
Attacks: Bite +5 melee
Damage: Bite 2d4+2 melee
Face/Reach: 5 ft. by 5 ft./5 ft.
Special Attacks: Trip
Special Qualities: Scent
Saves: Fort +5, Ref +6, Will +2
Abilities: Str 15, Dex 17, Con 15, Int 2, Wis 12, Cha 6
Skills: Hide +7, Listen +5, Move Silently +6, Spot +5
Feats: Weapon Finesse (bite)
Climate/Terrain: Warm plains
Organization: Pack (2-12)
Challenge Rating: 1
Treasure: None
Alignment: Always neutral
Advancement: 4-5 HD (Medium-size)

Often confused as a canine, the hyena taunts enemies with its nervous, high-pitched howl.

Combat

Trip (Ex): A hyena that hits with a bite attack can attempt to trip the opponent as a free action without making a touch attack or provoking an attack of opportunity. If the attempt fails, the opponent cannot react to trip the hyena.

Dire Hyena (Hyaenadon)
Large Animal
Hit Dice: 5d8+10 (32 hp)
Initiative: +3 (Dex)
Speed: 40 ft.
AC: 12 (-1 size, +3 Dex)
Attacks: Bite +5 melee
Damage: Bite 4d4+3 melee
Face/Reach: 5 ft. by 10 ft./5 ft.
Special Attacks: Trip
Special Qualities: Scent
Saves: Fort +5, Ref +7, Will +2
Abilities: Str 17, Dex 17, Con 15, Int 2, Wis 12, Cha 6
Skills: Hide +7, Listen +5, Move Silently +6, Spot +5
Feats: Weapon Finesse (bite)
Climate/Terrain: Warm plains
Organization: Solitary or Pack (2-12)
Challenge Rating: 3
Treasure: None
Alignment: Always neutral
Advancement: 6-8 HD (Medium-size)

Hyenadons are tougher, prehistoric ancenstors of the hyena.

Combat

Trip (Ex): A hyenadon that hits with a bite attack can attempt to trip the opponent as a free action without making a touch attack or provoking an attack of opportunity. If the attempt fails, the opponent cannot react to trip the hyenadon.

ncG1vNJzZmivp6x7prrWqKmlnF6kv6h706GpnpmUqHypxcSnmGaZnpl6qcXAnqWonJ%2Bje3p9lWg%3D