What thing flies that starts with the letter y?

Birds beginning with Y:

• Yaffle
  
• Yago
  
• Yahoo
• Yap monarch
• Yap olive white eye
  
• Yari
• Yellow-bellied sapsucker
  
• Yellow-billed stork
• Yellowbishop
  
• Yellowhammer
• Yellowhead
  
• Yellow legs
• Yellow wagtail
  
• Yemen serin
• Yemen thrush
• Yucatan jay
• Yucatan vireo
• Yungas Manakin