Street macaw People who live in Berchem/Borgerhout can probably tell you that, on a sunny day, you can find this macaw sitting on his tree in the Gitschotellei (shopping street). World famous in Berchem! — Dries Buytaert Dries Buytaert is a Boston-based Open Source advocate and technology executive. More than 10,000 people are subscribed to his blog. Sign up to have new posts emailed to you or subscribe using RSS.