Keen Hearing and Smell. The Zburator has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Amphibious. The dragon can breathe air and water.

Pack Tactics. The Zburator has advantage on an attack roll against a creature if at least one 

Multiattack. The Zburator makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage. If the target is a creature, it must succeed on a DC 15 Strength saving throw or be knocked prone.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 14 (2d10 + 4) slashing damage.

Breath Weapons (Recharge 5–6). The Zburator uses one of the following breath weapons.

Poison Breath. The Zburator exhales poisonous gas in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 36 (9d6) poison damage on a failed save, or half as much damage on a successful one.