"We have held that 'persuasion or mild coercion' and 'pleas based on need, sympathy, or friendship' constitute sufficient inducement to permit jury consideration of the entrapment issue." - United States vs. Nations

Need, sympathy or friendship. I think it's trivial to allow that finding a wounded animal would constitute a sympathetic plea.

It's the predisposition that gets him here. Given that he advertises the service, he's obviously predisposed to the action.