Keen Smell: The Zombie Tiger has advantage on Wisdom (Perception) checks that rely on smell.

Pounce: If the Zombie Tiger moves at least 20 ft. straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the Zombie Tiger can make one bite attack against it as a bonus action.

Multi-Attack. The Zombie Tiger lunges at a single target before following up with a quick claw slash.

Claw Slash. Melee Weapon Attack: +3 to hit, reach 5 ft., 1 target. Hit:  (1d4 + 4) slashing damage. 

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., 1 target. Hit:  (1d4 + 2) slashing damage.