Mirror Mirror

One evening, when my malamute Dusty was about 3 years old, he was 
sitting on my mom's bed watching TV. She has a mirror across from 
her bed, and there is a mirror in the same place on the other side 
of the wall in my room. Dusty noticed himself in my mom's mirror 
and started to "woooo". Then he jumped off her bed and ran around 
the wall into my room and looked at the mirror. He barked at it 
and continued to run back and forth trying to catch the dog (aka 
himself) on the other side of the mirror! It was so funny!