A sweet discovery

I was wondering why those two robins were getting awfully vocal with me! Almost from the very moment I stepped out of my car I could hear two very anxious sounding birds making a commotion. And the closer I got to our front door, the louder and more insistent they became. But when I found out why, I completely understood. How dare I get near their sweet, adorable little baby!! Mr. & Mrs. Robin were just a wee bit nervous that my presence would scar forever the life of their wee little one: