Leaf insect

I found this insect on my back step. It is about 2" long and looks like a 3D leaf. I took a few photos - it just didn't move so I thought i might be dead. However when I touched it, it responded with a grunt, so I now assume it isn't.

[Arthur Loosley]

Love the image, would like to hear the grunt!

[Babs]

Fabulous close up.

[Margo]

Great capture