I'd be delighted to see your tiger -- and, perhaps, your conception of a nundu, for any difference in the quality of illusion between the two should say a bit about any limitations of the ability. Nundu are enormous stalking cats, when full-grown they rival the size of a cottage.

Perhaps the park might do for both, in the early evening? We might compare notes upon courtly manners then.

[ Or flush out one of old Queen Victoria's, if things go closer to plan. ]