Thanks for all the input. My wife says she changed one of thier foods, but that was months ago. Boonie's had a quite a bit of turkey since Thanksgiving, but he'd had the paw licking thing going on longer than that.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."