Paul Farquhar
Legend
They used to display the heads of traitors on London Bridge.Dragons in Western civilization were not originally presented as Intelligent creatures, but as fantastic animals. Trophy displays are thus acceptable from that point of view.
I'm not convinced intelligent/not-intelligent is a legitimate moral distinction. Or, indeed, has any scientific meaning. What, we give everything an IQ test and if it falls below a certain level it's okay to stick it's head on the wall?