Or falconers, or local zoos or animal type places, or pubs, or friends (including for their dogs, ferrets, etc). Being able to skin and gut a rabbit is a good skill to have.
By the way, something is just nagging me: ... by "throw away" you do mean leave in the field for something to come along and snaffle it and not "throw away" as in a bit destined for the land fill, right?