Dire Wolf

Dire Wolf CR: 1 (200 XP)

Large beast, any

Armor Class: 37

Hit Points: 14 (natural armor)

Speed: 50 ft

STR

17 +3

DEX

15 +2

CON

15 +2

INT

3 -4

WIS

12 +1

CHA

7 -2

Skills: Perception +3, Stealth +4

Challenge Rating: 1 (200 XP)

Keen Hearing and Smell The wolf has Advantage on Wisdom (Perception) checks that rely on hearing or smell.
Pack Tactics The wolf has Advantage on an Attack Roll against a creature if at least one of the wolf's allies is within 5 feet of the creature and the ally isn't incapacitated. 

Actions

Bite Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 2d6+3 piercing damage. If the target is a creature, it must succeed on a DC 13 Strength Saving Throw or be knocked prone.