About the spiritual soul: can animals apprehend universals?

I'm struggling with this question for a while: It seems like dogs do know what dogs are. Is it possible for a dog to only recognize individuals and not grasp the universal concept of dog? I thought this ability to recognize universals was the ability that God gave to Adam (to name things) and thus that separated him from the animals. How did the Christian scholastic theologians (such as St. Thomas Aquinas) separate the animal and spiritual capacities of human beings?