I'd have to agree with Ideation in his first paragraph, yep, thats it, Lurcher, in it's simplest terms
As for bully headed lurchers and bunny crunching...
Well if folk stopped thinking that bull crosses are some altogether mythical beast and looked upon them fat headed mutts as just another Lurcher, which they most certainly are. Then schooled 'em in exactly the same way, which they should. They would realise that starting any lurcher 'firstly' on rabbits, after sound basic training, will almost certainly produce a dog that retrieves live.
Yep, their are always exceptions to the ty