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

Pack Tactics. The Vlk-kikker has advantage on an attack roll against a creature if at least one of the Vlk-kikker's allies is within 5 feet of the creature and the ally isn't incapacitated.

Frog Legs. They can stick to walls.(Same effect as spider climb)

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage. If the target is a creature, it must succeed on a DC 13 Strength saving throw or be knocked prone.

Tongue whip. Ranged melee attack: +4 to hit, range 20ft., one target, Hit: 4 (1d4+2) poison damage. Enemy must make a Dex saving throw DC 14 or be grappled. Enemy can make a Dex saving throw DC 14 to slip out.

Little piggies. The Vlk-kikker howls at an enemy. The enemy must make a DC 14 Str saving throw or be pushed 20ft. Any allies within 20 ft. of the Vlk-kikker gets an extra 10ft. movement speed on their next turn.