For some amazingly talented birds check out the following sites-

http://www.youtube.com/watch?v=pn-KaSbj7Dc

http://www.youtube.com/watch?v=UnFV-fvgOu0&feature=related

http://www.youtube.com/watch?v=LSeIDYFDv3E

http://www.youtube.com/watch?v=qm-VR8824FQ&feature=related

http://www.youtube.com/watch?v=wKSNs4ydva8&feature=related