Possible Clues:

• Titmouse relative
• Maine's state bird, e.g
• Songbird with an onomatopoeic name
• As ordered, I checked a flier from America
• Word in a W.C. Fields film title
• Elegant spirit, river bird
• Titmouse's cousin
• A North American songbird of the titmouse family
• New Brunswick's official bird
• 'My little ___' (W. C. Fields phrase)