My opinion on lifesize prices:
Coyote & Bobcat & Lynx = $800-$1,000
Fox = $700-$800
Wolf = $2,000 - $2,400
Mt. Lion = $3,200-$3,600
Above prices usually include a decent base (rock or tree), moss(if you want that-I don't), leaves, snow, etc.
Of course, open mouth is always extra.