Avery's Animal Sounds

I wish I had this on videotape. Maybe I can catch it soon. We've been working on teaching Avery animal sounds. She can do "baa" pretty consistently when we ask, "What does a sheep say?" and sometimes "moo." These aren't quite consistent enough to 'perform' them yet! However, yesterday I showed her a picture of a train and said, "What does a train say?" Immediately she rounded her little lips and said, "whoo, whoo, whoo!" Big Brother is a better teacher than Mommy...