I personally don't feel there is anything wrong with it. There is furry art for all sorts of stuff, I think the key thing is just not taking it to far. That being said I mainly stick to sfw furry art both diaperfur and non-diaperfur so that's where my preference for some kind of limit comes from. But all in all I don't think it's cliche if that's what someone wants/feels go for it.
Well, llamas were once all the rage, then came alpacas, so... maybe tomorrow we'll start seeing flamingos take charge for a change?
Edit: sorry, forgot that this was more furry-centric... whoops (*facepaw*)