RG> Question: Why do we never find fossils of these "short giraffes?"
You do not because you don't know where to look. Try a
I suppose you'll get lost on your way there, so here's a few
citations for you to mull:
Genus _Samotherium_, a Pliocene "short necked" giraffe.
Genus _Paleotragus_, a Miocene "short necked" giraffe.
Genus _Sivatherium_, an Eocene "short necked" giraffe.
Oh, and BTW, ever heard of the okapi? It's a modern equivalent
of a short-necked giraffe.