Possible Clues:

• Small songbird
• Counter-tenors in bed with bird?
• Bird wagging tail in bed
• Small bird needs tail bent when in bed
• Small songbird with a black head
• Blackbird's a flier?
• Little bird wagging tail in a small shelter
• Black-headed songbird
• Seen in plumage, finally tell it is a bird!
• Bird's plumage - it's seen round lake