Tui in the Plum Tree
They are currently chasing one another in acrobatic flights as part of their bonding/pairing and territory behaviour, but then will pause to feed. Our old flowering bird plum is in near full blossom now so we'll get up to 4 or 5 in it at a time.
Always intensely social; constantly displaying, playing, grooming and singing.
Budgies were the first birds I ever kept as a child and regardless of how commonplace they may be they still are magically diverting.