Keen Smell. Abloth has advantage on Wisdom (Perception) checks that rely on smell.

Bloodhunt. Once a target begins bleeding, it will gain bonus movement toward that creature, up to 60ft extra.

Ravenous Flock. This creature can expend one action to transform into a flock of ravens. 

Regeneration. Abloth regains 10 hit points at the start of its turn. If Abloth takes acid or fire damage, this trait doesn't function at the start of the Abloth's next turn. Abloth dies only if it starts its turn with 0 hit points and doesn't regenerate.

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

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d10 + 4) piercing damage.

Claws. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (2d6 + 4) slashing damage.