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 an 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.