Related Clues:

• Shed skin, as a snake
• Shed like a snake
• Lose feathers or skin
• Periodically lose old feathers etc.
• Shed feathers etc
• Shed fur
• Shed feathers, skin, etc; mew
• Shed like a bird
• What large birds typically do less often
• Slip some skin
• Grow out of something, say
• Come out of one's shell, say
• Lose feathers, say
• Get bull's eye in test? Tom might do