Hi! Buffon Macaws are great birds! They're big ole sweeties!
However we don't see too many of them in the US nowadays. They are ESA listed just like Military Macaws are, meaning that interstate commerce with them is heavily restricted. Generally they cannot be sold across state lines unless you have several national and state-specific permits which is a total headache that takes months to do. I'm really only familiar with the breeder side of obtaining permits, though know that a majority of breeders will not even touch the process needed to do this unless you're running a breeding program- where even so, some still won't touch it.
Your best bet is trying to find in-state breeders or pets, where knowing your location would be helpful! There are a couple breeders scattered throughout the US. You may have luck checking sites like Hookbillsforsale, Birdbreeders, Birdsnow, and The Avian Exchange for postings. Whether the sellers you find will abide by ESA laws or not is beyond my business! Though many reputable breeders sell on these sites too!
