Possible Clues:

• Another name for the green woodpecker
• Woodpecker
• Lock out noisy green woodpecker
• Woodpecker and two mythological figures flying round
• Woodpecker (colloquial)
• Ivy League university offers accommodation to fine fellow and bird
• Woodpecker's very loud in university surroundings
• Green woodpecker
• Two sprites summoned up woodpecker