Baines has somehow learned how to whistle and does it all the time. The only problem is she only does it when a camera or phone is not around to grab to capture it. She usually starts whistling while she is getting a diaper change and we can’t leave her there and grab the camera. The few times I’ve tried to catch it she sees the camera and stops. I’m going to have pull a “sneak attack spy video” to catch her in the act but hopefully we’ll have video proof of it soon so hold tight.