Dire Wolf

Armor Class: 14 (Natural Armor)
Hit Points: 37
Speed: 50 ft.
Perception: +3; Stealth +4
Adv on Perception for hearing/smell
Adv on an attack if ally within 5 ft.
Bite: +5 to hit, 2d6 + 3 piercing dmg.
Make DC 13 STR save or be knocked prone.