Possible Clues:

• Nest locale
• Bird's perch
• Place with a bird's-eye view
• Perch in a lullaby
• 'Rock-a-Bye Baby' site
• Cradle-rocking site of rhyme
• Cradle locale, in a lullaby
• Part of a canopy
• Spot with a bird's-eye view
• Arboreal apex