Another everyone-who-owns-or-deals-with-dogs-or-wild-canids-already-knows-this study. But as always until it is published in a journal and peer-reviewed it doesn't exist.
Please correct your headline to either "What the oldest modern bird looks like" or How the oldest modern bird looks". As is, it's like fingernails on a chalkboard. Remember those?
My 1st husband (1985) had one that he had modified to add a homemade pop top. Long haired hippy looking pot smoking type. After a few dates, we each drove our own vehicles to, I found out about the Porsche in the garage, the engineering degree and the rather important job at a large firm in Palo Alto. Don't judge a book by its cover.
"I can't" is for when you physically or mentally can not do something. I can't run a marathon. I can't do quadradic equations in my head. I'm not afraid or confused. I just am not able to do somethings.