Keen Smell. The tiger has Advantage on Wisdom (Perception) checks that rely on smell.
Pounce. If the 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 14 Strength Saving Throw or be knocked prone. If the target is prone, the tiger can make a Bite Attack against the creature as a Bonus Action.
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 6-10-15 1d10+5 Piercing Damage.
Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7-12-17 2d6+5 Slashing Damage.