Possible Clues:

• Investigate loud noise of birds — Swedish, possibly
• North European
• Swede possibly travelling in Canada is extremely vain
• Examine row of birds from northern Europe
• Study noise of birds from Northern Europe
• Dark sort of tales of a northerner and wrought iron
• Study clamour of birds in northern Europe?
• Investigate noise of birds from northern Europe
• Study clamour of birds from northern Europe
• Swede, perhaps