I just had the the best experience in a long time. (it happened about this time last year as well)
In the trees and shrubs surrounding the house, at least 5 Golden Whistlers were calling . I was just standing amongst them, as they were darting from side to side, they didn't even notice me. One almost hit me. None of them had the yellow colour yet, but I do think they were all young males.The episode lasted for at least 10 minutes, then they flew off into the Park behind us.
They looked like this: