Keen Hearing and Smell. The wild dog alpha has advantage on Wisdom (Perception) checks that rely on hearing or smell.
Pack Tactics. The wild dog alpha has advantage on an attack roll against a creature if at least one of the wild dog alpha's allies is within 5 feet of the creature and the ally isn't incapacitated.
Pounce. If the wild dog alpha moves at least 20 feet straight toward a creature and then hits it with a bite 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 wild dog alpha can make one additional bite attack against it as a bonus action.
Running Leap. With a 10-foot running start, the wild dog alpha can long jump up to 25 feet.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage.