You are considered a monstrosity. Effects that specifically target humanoids will not work on you.

Though larger in body than most, Intellectual Owlbears still count as Medium creatures.

Your walking speed is 30 feet.

Your beak and talons are ferocious weapons that you may use to bite and claw through your foes. If you hit with them, you deal piercing or slashing damage respectively equal to 1d4 + your strength modifier, instead of the bludgeoning damage normal for an unarmed strike.

Your creature type is considered to be Monstrosity.

Due to your unusual and significantly different body shape, traditional clothing and armor isn't readily available for you in stores, meaning that it needs to be custom made, increasing the price 1,5 times compared to the usual cost.

Due to a distinct lack of opposable thumbs, you lack the natural dexterity for writing things effortlessly. As such, whenever you attempt to write something by hand, you must make a DC 12 Dexterity (Sleight of Hand) check for your writing to be legible. 

Though you are a bit smaller than regular owlbears, you are still incredibly large and strong. You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.

Your sharp eyes and nose grant you an edge over most humanoids when it comes to noticing things. You have proficiency in the Perception skill.

Though you might not be as ferocious as regular owlbears, you still possess their ability to see and hunt in the dark. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light You can't discern color in darkness, only shades of gray.

Though you have learned to speak common to interact with humanoids, you have not forgotten your origin. You can speak to and understand owls, bears, and owlbears.

Due to your feathers and thick hide, getting through your skin is tougher than most would expect. You have a natural armor of 10 + your Constitution modifier.