Wakwak

Bloodthirsty Pounce. If the wakwak moves at least 20' straight toward a creature and then hits it with Talon attack on the same turn that target must make DC 13 Str save or be knocked prone. If the target is prone the wakwak can make one Beak attack vs. it as a bonus action gaining temp hp equal to half the damage dealt.

Keen Smell. Advantage: smell Wis (Percept) checks.

Pack Tactics. Advantage on attacks vs. creature if 1+ unincapacitated attacker ally is within 5 ft. of target.

Multiattack. One Beak attack and one Talon attack.

Beak. Melee Weapon Attack: +5 to hit, 10 ft., one target, 8 (1d10+3) slashing damage.

Talon. Melee Weapon Attack: +5 to hit, 5 ft., one target, 7 (1d8+3) piercing damage.

Wing Slap (Recharge 5-6). Slams its sharp-edged wings together in front of itself in a 15 ft. cone. All in area make a DC 13 Dex save. On a failure a creature takes 10 (3d6) slashing damage and is pushed up to 10 ft. away from the wakwak and knocked prone. On a success a creature takes half the damage and isn't pushed or knocked prone.