A cursory google search didn't turn up any avian specific vets in Newfoundland.
In the absence of an avian specialist, you need to start looking for vets with an interest or specialty practice in exotics as a first choice then vets who treat wildlife and if neither of those exist, then start looking for vets who treat farm animals (chickens, geese etc...). Heck, I'd just start calling every vet in town and ask if they've ever treated a broken bone on a bird before. Up where you are, I'd imagine tropical birds like parrots to be rather uncommon, however a vet who treats wild birds or poultry birds would likely be able to handle this type of injury. When my moms amazon broke her foot, she was put under for the X-ray. The avian vet in a bigger city that was consulted by the local vet treating her gave parameters for the correct amount of anesthesia and setting on the X-ray machine for her species/weight. Be sure the vet that puts your bird under is either very confident in what they're doing or insist they consult with an avian expert somewhere. While under, the break was set and a cast applied. It took over the estimated 6 weeks if I remember right for the break to heal to the vets satisfaction.
Good luck with your baby and don't forget, he's relying on you to do your homework and find the best medical care possible in your area!
