C'banae -- The Keeper and His Guard

You spot a pair of C'banae on a nearby hill. A brightly colored red and green one is playfully pouncing on wildflowers, while a grey and white one looks on indulgently. His look is not so indulgent, however, when he spots you. Under his sharp watch and jaded smile, you hastily decide perhaps it would be best not aproach the pair. In fact, you think you'll be moving on now...