Personal Shadow Walker

I wanted to take another shot at creating a masked creature, so here it is.

Want to know about the species, click the thumb below!
Shadow Walker Species InformationBecause I'm a lazy fuck, I didn't make a graphic for it so all you get is words.
What is a Shadow Walker?
A Shadow walker is a creature of the night and the only time they come out during the day is if the sun is covered by extreme cloud cover.  
Because of this, people think they're bad omens and are afraid of them.
Despite this belief, they're gentle creatures, caring for other animals if they need it.
What are their horns for?
A Shadow Walker's horns are for defense and to be used in mating.
While they may be gentle they are not exempt from the rise of hormones during mating season.
Much like deer and rams, they'll fight one another, butting their heads together.
The stronger male gains breeding rights.
Do they all have horns?
Yes, all Shadow Walkers have horns, even the females.
The only exceptions are the young, however once they reach about a year old they will start to grow them.
What do they eat?
Strangely enough, they don'