Yes but it's only a little one.

[He held up his hands to show the dimensions, which were perhaps the size of a good-sized duffel bag.]

We initially thought something might be wrong with him since he wasn't growing properly, perhaps that Ruin was sickly or defective in some way. But Savage is fond of the beast and so we kept it. By now, I think perhaps it is a dwarf rathtar.

[Was such a thing even possible? Apparently.]