Superman Shadow of Apokolips Easter Egg - Cat in Tree

While exploring Metropolis find a line of evergreen trees, fly close to them till you hear a cat, you can't see the cat it is prsented in sound alone, the sound of the cat will get louder as you get closer to one of the trees!, once you've found the cat you can hit it with your heat vision and it will scream in pain but unfortunatley you can not rescue it.