Talking.

Mommy: "What does the elphant say, Ian?"
Ian: "Ppppppppppfgh."
Mommy: "What does the snake say, Ian?"
Ian: "Hssssssssssss."
Mommy: "What does the cow say?"
Ian: "Aha aha aha aha aha." (Like a dog panting. He does this for pretty much every animal.)

And there's a little insight into my daily life.